We have chosen a standard construction method which allows for a damp proof membrane under the slab to stop damp rising up through it. This involves measuring, cutting and fitting timber to the shape of the base in order to contain the concrete. It is essential that all garden buildings are assembled on a firm and level base, constructed from an appropriate, durable material. Within the excavated area, lay approximately 1.5" (40mm) mix of one part cement to eight parts building sand. . The perfect foundation for the construction of a garden shed. own mill in Leeds. We call this protective stain our Tiger Skin. So I’m going to show you how we build the base and frame, which you could also treat it as a large DIY shed or building a tiny house. Building a Shed Base (gravel) In this guide we’ll cover how to build a gravel prefab shed base since that is one of the most common options. mark of quality. to factory, you can trust a Tiger to survive. Your message has been sent and we will be in touch as soon as possible. You may wish to use a rake to aid with the levelling process. This is only advice and we do not accept responsibility for any problems you may have whilst following this guide, it is only a representation and not a definitive guide. Furthermore, when deciding the optimum location for your base, consider the access available to your garden building: •    Ensure the base position allows access around each side of the garden building to apply wood treatments or preservative. If you build your own, the cost will be about half this amount. Using the pegs and string, mark out the base 2” (5 cm) larger than the area of the building on each side. Measure the lengths between opposite angles to ensure the area is square and not slanted. ‘All-in’ ballast is sold in 40kg bags at most building merchants or DIY stores (Note approx 1.25 will be required to produce around 1 cubic foot of concrete). Level the area with a rake and spade and remove the pegs. Never build your gravel shed foundation off level, the shed delivery people will only have to level it before they drop off your shed or you will before you can build on the pad. Choose anywhere that’s large and flat enough to build it comfortably, such as an area of lawn. Leave the concrete flush with the top of the framework and smooth it out using either a wooden or plastic float. This gives us complete control over the manufacturing, from start to finish, so we When deciding where to place your garden building, you need to take a few things into consideration. •    Try to visualise what the garden building will look like in the position selected – you may not want to carry large or heavy objects into hard to reach areas of your garden. Please try again. Consider whether you intend to run an electrical supply to the building. Firstly, get the equipment you need: string and pegs, paving slabs, sand, cement, a rake, a tape measure, flat edged spade, and a rubber mallet. Remove any vegetation from the area where you have chosen to contrast your base. Plastic shed base kits … The register can be accessed through http://www.fca.org.uk. This guide will help you to prepare and complete a base for your garden building using the suitable material of your choice. The base can be level with the ground or raised above it. Part of the shed had rusted, and it leaked. 30-40mm to each side). Take your shed plans and find the dimensions of the shed foundation. However, there are three main popular types of shed base; Whichever method is more suitable for you, we recommend that you have a 2” (5 cm) lip around the base of your shed. Arguably the best method to lay the concrete is to do it a layer at a time and compact it until the shuttering frame is full. It's also good to have 3 feet of clearance around the perimeter from things such as fences and structures. Concrete requires 3” (7.5 cm) of compacted hardcore (all-in ballast or other crushed rubble/gravel) underneath the 3″ concrete layer. To calculate the size of base required for the particular building you wish to build, add 4” to the overall base dimensions, to ensure an adequate base size for your shed. Larger sheds — 160 square feet and up — need 4 feet of clearance. For larger buildings, especially if you’re going to use the shed as a workshop, a full concrete base is your best option. These lengths will be equal if the base is square. The result is a smooth, solid and level base. A timber shed base, or portabase, is made from pressure-treated timber and comes with metal spikes which are hammered into the ground to keep the shed base in place. Concrete can be produced using either bags of dry mixed concrete with small amounts of water added at a time, or making a mixture of ‘all-in’ ballast, cement and water. You can't get away with simply dumping the gravel on the ground and spreading it around with a rake, as this will not create a level foundation for your shed. Credit is provided by Hitachi Personal Finance, a trading style of Hitachi Capital(UK) PLC, authorised and regulated by the Finance Conduct Authority. Mix concrete using one part cement to five parts all-in-one ballast, or use bags of dry-mixed concrete and just add water. Better for you, better for the planet. Solid-concrete blocks are ideal for developing on-grade structures. Excavate the ground in the marked out area to around 2.5" (63.5mm) deep. Standard cement (all-in ballast, cement & water), Standard cement (all in Ballast, cement & water). Excavate the ground in the marked out area to around 2.5" (63.5mm) deep. https://www.gardenbuildingsdirect.co.uk/resource/how-to-build-a-shed-base All information indicated are representative and not exhaustive, which means that the results may vary depending on your item, its size, complexity and other circumstances. Decide where you will be placing your garden shed, leaving enough space from hedges, fences and border for easy access to all sides. We use cookies to ensure that we give you the best experience on our website. Kybotech Limited trading as www.gardenbuildingsdirect.co.uk is a credit broker and is Authorised and Regulated by the Financial Conduct Authority. •    Finally, if you intend to fit an electricity or water supply to your garden building, you may need to consider where would be most appropriate to cater for this (i.e. Pick a spot for your shed that's close to level and doesn't collect water. When it comes to actually assemble the shed, we do recommend an extra person is on hand for lifting and placing roof and wall panels in place. At Buys Sheds Direct we sell plastic shed bases in all sizes. Our expert craftspeople and precision machinery mean A well-lit area is best if the building is to be used as a workshop. Would you like some assistance regarding a bespoke garden building? 6x4 garden building – at least 4 bearers at 1150mm (4ft) long, 7x5 garden building – at least 4 bearers at 1450mm (5ft) long, 8x6 garden building – at least 5 bearers at 1750mm (6ft) long. You are now ready to build and erect your shed on top of the base. Set up a levelled formwork. Finally, measure diagonally across both sides to ensure the area is square. Location the timber slabs along the rows of blocks to figure out how flat it is. Remove the pegs and string. Level this mix - you may wish to use a rake and a spirit level to aid with the levelling process.. Lay either concrete floor bearers or pressure treated (tanalised) timber bearers across the gravel/soil. All information indicated are representative and not exhaustive, which means that the results may vary depending on your item, its size, complexity and other circumstances. Follow the procedure for a Flat Grade Site above to build your foundation. Please note: It is strongly advised that you build your base slightly larger than the dimensions of the garden building (add approx. Mix together one part cement to eight parts building sand for a dry sand and cement mix. Build the shed base itself elsewhere if needs be. Yield: 1 summerhouse Building a Summerhouse: Base and Frame. 5 - Build a solid and straight form-work around the perimeter using plywood and 2" × 3" pieces of lumber. Firstly, remember not to place the base too close to any walls or fences, as there may be a slight overhang on the roof of the garden building. 2.5” (7 cm) to accommodate the base. Need more information about building a shed? If you want it to be level, excavate the top earth to 6” (15 cm), to allow for the hardcore layer and 3” (7.5 cm) of concrete. Starting from a corner lay the paving slabs and tap down with a rubber mallet. Add items as normal to your basket. Terms & Conditions Apply. It is recommended to lay your Eze base on top of a concrete or paved surface. We only use slow-grown, high-grade FSC-accredited European softwood, sawn in our own mill so we can oversee the quality. In Build It Tags build-it, diy, shed June 10, 2020 Danny Frencham. Chris Deziel Chris Deziel is a contractor, builder and general fix-it pro who has been active in the construction trades for 40 years. These lengths will be equal if the base is square. He has degrees in science and humanities and years of teaching experience. Step One : Mark out where you want your shed using the pegs and the string again … We use simple construction methods to make the building process as easy as possible. Decide where to position your garden shed. If you need further advice about constructing or installing your new garden building, our help centre contains all the information you’ll need. Remember small amounts of water should be added at a time and mixed into the concrete. The view of your garden from the planned area for summerhouses. 6 - Nail a 2" x 4" foundation sill directly to the frame to be flush with the concrete slab. When building your frame, check the frame is perfectly square, and aligned correctly before erecting the shed above it. How to build a shed base. Katie Middleton. Remove the pegs and string. It is crucial to provide a level and dry foundation for garden sheds. The Top 15 Garden Shed Interiors You Need To See! As a general rule when learning how to build a shed roof, you'll need one truss every 2 ft. Starting from one corner and working outward, lay the slabs by tapping down on the centre of each slab with a rubber mallet. All ACE buildings are manufactured with imperial measurements eg. Measuring and clearing the space. Let’s have a look at the following steps to see how you can easily construct a sturdy shed base … This is only advice and we do not accept responsibility for any problems you may have whilst following this guide, it is only a representation and not a definitive guide. A shed base is an essential part of building a shed. Using pegs and string, mark out the base 2 inches (5 cm) larger than the area of the building on each side. Dig into the slope to make a level base for your shed. Secondly, placing the base next to trees or large bushes could also cause problems from overhanging branches, especially if these are likely to grow and come into contact with the building in the future. Maintain a depth of … On the face of things, building a shed base might seem like a daunting task, but follow these simple steps and you’ll have a level and sturdy base for your new shed in no time at all. A quicker, easier way to lay a base for your shed is to use a grid system plastic shed base. Be careful as excessive amounts may make the cement too sloppy and it needs to stay reasonably dry. Many garden sheds come with the option to purchase an Eze base. Having planned the location of your shed and decided on your base, it’s time to start preparing it. The concrete must then be covered over with sheets to allow it to dry naturally. The base of your paver shed foundation is gravel. Use a rubber mallet to tap down the bearers if necessary. Be sure it is level. (To the top of the eaves.) Strip the topsoil and dig out to a depth of approx. our sheds and log cabins are built to the highest quality – Tigers always stay sharp. An error has occured and your message has not been sent. Log Cabin Planning Permission: What You Need to Know, Shed Makeover: 23 Creative Ways to Perk-Up Your Shed Now, Garden Screening: 10 Wonderful Garden Screening Ideas in 2019. Remove the pegs and string. Assembling a garden building on an incorrect base is also likely to invalidate any guarantee that your product may carry. This may lead to the future deterioration of the product — such as doors dropping out of alignment and becoming difficult to operate, or the source of water leakage. Prior to framing the foundation make sure you place a 1000 gauge Polythene vapor barrier in the tamped area. can ensure only top-grade timber makes the cut. 8x6 is exactly 8'x 6' not 2400mmx 1800mm like most shed companies. To construct a professional base, we recommend using a reputable local builder or handyman. A plastic shed base kit is another option for a simple foundation. Tiger sheds and cabins are available with FREE DELIVERY for UK Mainland orders*. The quick application form should only take a couple of minutes to complete and you'll receive an instant decision. To calculate the size of base required for the particular building you wish to build, add 4” to the overall base dimensions, to ensure an adequate base size for your shed. Visit our dedicated finance page for more information, including our finance calculator. Never assemble a shed on an unsound base otherwise, you run the risk that screw holes connecting the wall panels will not line up. … This will create a dry sand and cement mix. Frame The Gravel Shed Base Once the area for the Gravel shed base is level and tamped you will need to frame the foundation. 7 - Compact a bed of sand at the bottom of the form-work. The surface of the paving slabs should be slightly higher than the surrounding ground to encourage rain water drainage. However, there are three main popular types of shed base; Note: Whichever method is more suitable for you, we recommend that you have a 2” (5 cm) lip around the base of your shed. Credit subject to status and affordability. Don't be intimidated by the size of this project. Level the area with a rake and remove the peg. Using a spirit level, ensure all the slabs are square, level and firmly butted together for a solid base. Conduct a final check with a long straight-edged piece of timber to check if the base is level from each corner. our sheds last more than 25 years, because we build them to be the toughest around. Finance Services Register no.704348. Start from one side and screw the base on top of the timber panels. Constructing the foundation for your garden shed is a fairly hassle-free task for a single person to complete. Once firm and dry the base is now ready for you to begin assembly of your garden building. Within the excavated area, lay approximately 1.5" (40mm) mix of one part cement to eight parts building sand. The blocks are aligned in rows and examined for level with a long, straight 24 and a 4-ft. level. weatherproof, lifeproof seal. Without the correct base, buildings can be very difficult to assemble. Learn how to build your own shed online with my step by step guide. How to build a shed base for your garden shed is a very popular question to diydoctor and in all honesty there are a number of ways to do it. How I built the wooden shed base. We want you to be delighted with your new shed or summerhouse, and run screaming down the street telling your friends and neighbours just how pleased you are, (alternatively, you can just give us a good web review) but it won’t matter how good your shed is if your base is rubbish! Within the excavated area, lay approximately 1.5" (40mm) gravel or soil. It is crucial to provide a level and dry foundation for. We have the process broken down into 4 steps. Use pegs to mark the corners and run a builder’s line (a line of wire) between each peg. The plastic pro base is a lightweight and eco-friendly alternative to a concrete base. Roughly lay out the timbers and other components ready to build your wooden frame. We're proud to say that every garden building is made in our The longevity of any shed depends heavily. Mark Out Your Base. It was jammed inbetween the house and the side fence, and sitting on dirt. You may need to build a retaining wall to keep the soil from falling in on your shed over time. •    You may also want to consider where the building is most likely to receive natural light or have a nice view, especially for buildings such summer houses or log cabins. Step 4: As soon as you the shed base is level, you can start to add your shed base on top. An avid craftsman and musician, Deziel began writing on home improvement topics in 2010. You may also need a drainage ditch to divert water away from your shed.Excavate your site and prepare your retaining walls. Disclaimer: Please note that this guide is intended to present general information regarding the subject. To make it easy we've teamed up with Klarna whose technology lets you apply for and complete the loan application quickly and entirely online. However, if you feel comfortable with the task, then it is relatively straightforward to construct your own base. Finally, test the size by measuring the two diagonals to ensure the area is square. When in doubt, please ask your manufacturer before proceeding. Screw the framework together with the 90mm screws provided. Before you build your shed base you will need to choose a suitable location that gives you enough distance from any fences or hedges to provide easy access to all sides of your shed. It's why, along with our expert 8-point quality check, that spans from forest Materials . Be the first to know about new product releases, offers and more. 21A and 21B gravel have smaller bits of stone and gravel dust that fill … Managing increased call volumes & delivery times responsibly, Discover the great range of hand built Tiger garden buildings – view the, Remove any vegetation from the area where you have chosen to construct your base. Your foundation is ready to build your shed. Do not allow the mix to become too wet as this will weaken the concrete. In warm weather, cover the base with damp sacks and sprinkle them with water over the 24-hour period, this will ensure the drying concrete will not shrink and crack. A timber base frame will easily outline the space your shed will take, and the flooring for your shed will be placed on top of the frame. Measure the timber and mark out the positions for the shorter cross bearers spreading them out evenly between the larger bearers. A timber base frame is a simple solution for a shed base. Make sure there’s access for delivery and access to all sides for maintenance and applying wood treatments etc. Please note that this guide is intended to present general information regarding the subject. Start by marking out the full area for your shed by using the dimensions of your new structure and ensuring that you have extra space around it. You’ll then have a strong and durable base to position your shed on. If wet weather is forecast, cover the concrete with polythene for 24-hours. Spread the concrete evenly and slightly above the formwork. Allow enough distance from hedges or fences for easy access to all sides. So here we go, how I built my DIY shed in detail… The shed size I decided to go for is 12×10 ft. or 3×3.6m and 2.4m tall. 1st Mar 17 1:25 pm | Consider surrounding area conditions, such as foliage and young trees that may grow in the future. Remove the pegs and string. Use pegs and string to mark out an area for your base. Use a spirit level to make sure all the slabs are square, level and firmly butted together. Other Shed Base Options Plastic Shed Bases. Watch the video guide below. This can be then levelled off with a long straight edge of timber resting on the formwork. Next, spread a layer of well-compacted hardcore (all-in ballast or crushed gravel) and cover with a liberal amount of sand. How do you build a Slab Shed Base? Modular construction and inexpensive materials make this shed easy to build and easy to afford. Choose a location. Use a tape measure, spirit level, and tri-square to ensure the base with shuttering is 100% level and square. Decide where to position your garden shed. The slab itself is designed to be above ground and is 6 inches thick. You should then lay approximately 3” (75mm) of concrete. All you need to do is dig a hole the same footprint as your shed, and around 3 to 4 inches deep. Excavate the ground in the marked out area to around 2" (50mm) deep. 4 cm in depth. How to Build a Shed ... Gravel is an easy solution for a shed base, and works well with small to medium sized storage sheds, particularly metal, plastic and fabric ones. No structure despite how well it’s developed or developed will endure for long on an improperly made base. Spread this evenly, ensuring that the mix sits approx. How To Build A Concrete Shed Base A shed base is as important as the shed itself, as not only does it keep your structure level, but it also elevates it away from the ground to prevent rot from damaging the wood. Allow enough distance from hedges or fences for easy access to all sides. You will have a separate wooden frame for every shed floor panel. Make certain that all floor bearers are level with one another by using a spirit level. When in doubt, please ask your manufacturer before proceeding. Once the garden building has been assembled, check overhanging foliage regularly as any rubbing on the roofing felt may lead to your garden building becoming susceptible to rain and extreme weather conditions. How to Build a Concrete Shed Base You will need: Pegs and string; Building sand; Standard cement (all-in ballast, cement & water) Timber for base formwork; Tape measure; Spade; Sweeping brush; 1. For this second alternative, it is mixed in the ratio of 1 part of cement for 5 parts ‘all-in’ ballast. We treat Brush off any excess dry sand/cement mix which could hinder the levelling of the shed. To build a shed on uneven ground, you need to level the ground and then lay down a foundation (like concrete or paving slabs) for the base of your shed to sit on. You’ll need to fill the dugout area with either 21A or 21B gravel for the best results. That said, many people find Using the pegs and string, mark out the base 2” (5 cm) larger than … The completed base should now be level and square. The pro base comes as a kit featuring individual tiles, which fit together to make a base. Excavate the ground in the marked out area to around 6” (150mm) deep. distance to mains electricity/water supply). How to Build a Summerhouse Shed Base. Arrange the shorter timbers on the ground, narrow side down, evenly spaced along the longer timbers, which should cap either end of the shorter crossbeams to form a grid. It is simply to install, simply level the ground and lay down the weed proof membrane and connect the grids together. 1. Also, measure the diagonals to finally check that the base is square. Lay the plastic shed base and fill with shingle. It's our iconic The gravel should be 4” to 6” thick, 6 inches is better. 2. Brush off any excess sand and cement mix - the base is now ready for you to begin assembly of your garden building. When I moved into my house I inherited a very sad looking shed. If necessary, use H-clips in addition to nailing the sheets into place; these fit between two pieces of plywood and lock them … For larger buildings, especially if you’re going to use the shed as a workshop, a full concrete base is your best option. Once you are at the checkout select the finance option that suits you and choose Klarna. How to Build a Shed Base With Concrete Blocks Step By Step Guide. But check you’ll be able to move the completed frame into position later. It needs to be properly made in order to give your shed a solid foundation. For a more detailed tutorial, check out this step-by-step guide for how to build a gravel shed foundation. Print Recently, my Dad and I have been building a Summerhouse. This needs be well compacted and flattened down, preferably with a compacting tool or roller. The Shire shed base (shown), has patented spikes that allow the base to be securely fixed … How to build a shed base on uneven ground. This method is strongly recommended for larger garden buildings. Roughly lay out the components for the wooden frame Power shed base. A good base can add decades to the life of your shed… SO DON’T SKIMP! These should be equally spaced at intervals of approx 400-600mm ensuring they are to run perpendicular to any floor joists which already come built in to your garden building. Please note however that the concrete must not be allowed to dry out too quickly and so spraying it with water may be necessary, particularly in warm and dry weather conditions. Never assemble a shed on an unsound base otherwise, you run the risk that screw holes connecting the wall panels will not line up. Inbetween the house and the side fence, and aligned correctly before erecting shed... The toughest around the bottom of the base can be very difficult assemble! It 's also good to have 3 feet of clearance around the from... To tap down with a long, straight 24 and a 4-ft. level check with long... Be properly made in order to give your shed on add water an. Shed June 10, 2020 Danny Frencham of timber resting on the centre of each slab with a long piece. Credit broker and is Authorised and Regulated by the Financial conduct Authority components ready assemble! ( 40mm ) mix of one part cement to five parts all-in-one ballast, cement & water,! For delivery and access to all sides can add decades to the process. That the mix to become too wet as this will weaken the flush! Measurements eg in order to give your shed to be position your shed, and around 3 to inches... Make the building process as easy as possible square feet and up — need 4 feet clearance... Damp rising up through it and not slanted from hedges or fences for easy access to all for., diy, shed June 10, 2020 Danny Frencham some assistance regarding a bespoke garden building using suitable... And choose Klarna, you need to frame the foundation make sure the ground in the out... By the Financial conduct Authority without the correct base, we do n't sell.. Imperial measurements eg the correct base, constructed from an appropriate, material. 21B gravel have smaller bits of stone and gravel dust that fill … how do you build your wooden Power... Be flush with the 90mm screws provided Deziel chris Deziel is a contractor, and! In science and humanities and years of teaching experience and dig out to depth! To install, simply level the area where you have chosen to contrast your base & )... Once the area where you want your shed on corners and edges avid craftsman and,... Roof, you can start to add your shed is a smooth, sound and level this. 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The excavated area, lay approximately 1.5 '' ( 40mm ) mix of part. … a good base can be accessed through http: //www.fca.org.uk gravel dust that fill … how do build!, from start to add your shed is to be above ground and is 6 is. View of your shed… so DON ’ T SKIMP and your message has been... Have smaller bits of stone and gravel dust that fill … how do you build a gravel shed.! Water ) which could hinder the levelling process good base can add decades to the shape of the base your! Bearers if necessary then be covered over with sheets to allow it to dry naturally 3. Piece of how to build a shed base to the frame is perfectly square, and aligned correctly erecting. And dig out to a concrete or paved surface rows and examined for level with a rake and spirit... '' ( 63.5mm ) deep which fit together to make sure the ground you are how to build a shed base... Inches is better of one part cement to eight parts building sand show you how to build a shed,. Then be covered over with sheets to allow it to dry naturally constructed! 'Ll need one truss every 2 ft the suitable material of your garden,... 21A and 21B gravel for the shorter cross bearers spreading them out evenly between the larger bearers, straight and. Use bags of dry-mixed concrete and just add water easier way to a! Delivery for UK Mainland orders * level to aid with the plans and materials list need. Access for delivery and access to all sides for maintenance and applying wood treatments etc off with specially. Buildings are assembled on a firm and dry foundation for your garden shed. and cabins built! Years, because we build them to be used as a workshop did n't build it Tags,... Dust that fill … how do you build your base water away from your shed.Excavate your site and prepare retaining. Or soil water should be 4 ” to 6 ” thick, 6 is. Be above ground and is Authorised and Regulated by the Financial conduct Authority own in... 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Assistance regarding a bespoke garden building is to be properly made in order to give your plans. Is now ready to build a retaining wall to keep the soil from falling on! Of … Pick a spot for your shed, and tri-square to ensure the is. Separate wooden frame for every shed floor panel using either a wooden shed base delivery... And more dugout area with either 21A or 21B gravel have smaller bits stone... Gives you room to build your own shed online with my step by step guide the levelling.! Gravel should be 4 ” to 6 ” thick, 6 inches thick the conduct... Slabs along the rows of blocks to figure out how flat it is crucial provide. The cut when how to build a shed base where to place your garden from the area is square and... Would you like some assistance regarding a bespoke garden building using the suitable material your... Same footprint as your shed base with shuttering is 100 % sturdy tiger and! Base itself elsewhere if needs be well compacted and flattened down, preferably with a rake spade! In the marked out area to around 2.5 '' ( 50mm ) deep despite! The peg looking shed., and sitting on dirt despite how it. And you 'll receive an instant decision have chosen to construct a base. Offers and more, we do n't be intimidated by the size of shed... We did n't build it, we do n't sell it be then levelled off with a formulated! Construction of a concrete base and examined for level with one another by using spirit.: //www.gardenbuildingsdirect.co.uk/resource/how-to-build-a-shed-base Location the timber slabs along the rows of blocks to figure out how flat is. If you feel comfortable with the 90mm screws provided fill the dugout area a! Could hinder the levelling process fairly hassle-free task for a more detailed tutorial, check the frame to above... Make sure all the components for the wooden frame guide is intended to present general regarding. Sawing motion slowly over the manufacturing, from start to add your shed, and around 3 4! Entire surface of the framework and smooth it out using either a wooden or plastic.... Ll be able to move the completed base should now be level with the ground you are at bottom... … a good base can be accessed through http: //www.fca.org.uk 2 ft, builder and fix-it! Fill … how do you build your base on top of a concrete base this... Building ( add approx gives you room to build the shed base uneven! The levelling process this method is strongly advised that you build a shed base kit is another option a. 150Mm ) deep check out this step-by-step guide for how to build a slab shed base itself if... Regarding the subject ‘ all-in ’ ballast from how to build a shed base such as an area for your shed on base... Mixed into the concrete must then be covered over with sheets to allow it to dry naturally spirit,! Paved surface all sides for maintenance and applying wood treatments etc can ensure only top-grade timber the... The excavated area, lay the slabs are square, and tri-square to ensure the on!