Sheds must be secured to the ground to prevent them from being dislodged by heavy winds, so concrete pilings, augers, above-ground cables and plates can all serve as anchors when built on a foundation.
Wooden sheds should be secured using concrete expansion anchors, while metal ones may utilize augers or metal plates for anchorage.
Table of Contents
Install the Floor
When building from scratch or renovating an existing shed that does not include flooring, laying down a strong and secure foundation is of vital importance. This can take the form of either concrete, gravel or skid foundation made out of concrete blocks; whatever route you decide upon make sure that whatever choice you make provides maximum support.
If using a concrete base, it’s wise to hire professionals for its construction. This will ensure it matches up perfectly to your specifications and doesn’t end up too large or small for your shed. As an alternative, Hellanker ground anchors may be cheaper and easier to install; plus they can even be removed later if need be.
When laying a concrete base, make sure you select an appropriate type of cement. There are numerous kinds available on the market so choose wisely! Additionally, apply it thickly so your shed remains secure on top.
Gravel bases may also work, though they can be difficult to lay evenly on uneven ground and susceptible to shifting when weather turns bad; due to these complications, concrete blocks may make for the best base option for your shed.
First, mark out the area for your shed floor using spray paint. Make four marks at each corner to allow you to dig suitable holes for concrete piers later.
Step 2. Mix your concrete. Quikrete or another fast-setting mix is best, then fill your sonotubes with it before adding gravel for proper drainage. Next, install anchor bolts or brackets into each hole before pouring concrete in them – make sure its level and tamp it down for the best results.
If using a concrete pad, now is the time to secure your brackets to the concrete, attach anchor bolts and tighten them securely. When using concrete blocks instead of pads, either pour in concrete and insert bolts there or install J bolts to smooth over any disturbed areas before tapping on them to release any air pockets inside and wait until it sets completely before continuing with this step.
Install the Walls
Once the floor of your shed has been completed, it’s time to put up its walls. Begin by laying down plywood sheets on top of the flooring joists to protect against water infiltration and rotting; nail wall studs to these joists with enough nails; for added strength consider adding exterior grade sheathing on all four walls for weatherproofing purposes while providing insulation as well.
When designing a large shed, adding windows for light and ventilation is highly recommended. Frame the rough opening for this window when planning out your framing layout for this wall section; once finished installing each sheet of plywood on every other section, this will create a strong frame to support your shed walls.
Prefabricated sheds may be designed to stand on their own without needing extra fasteners, but if you plan to construct one on concrete pads you’ll require either concrete expanding bolts or foundation anchor plates to anchor it to the ground. You could also choose to anchor it directly into the soil using ground augers or cable wires.
Concrete shed construction can be the ideal choice if your shed site experiences high winds or seismic activity, while also protecting it from flooding damage. Unfortunately, however, it can be laborious.
DIY enthusiasts have other options when building a shed: wood decks can provide an inexpensive and simple foundation alternative while still offering enough support to stand the test of time, or alternatively concrete piers provide cost-effective yet sturdy foundations suitable for workshops or heavy equipment storage spaces.
Install the Roof
Installing the roof of your shed requires basic tools, yet is relatively straightforward. First, lay out a level shingle base over plywood roof decking; after which install four nails (or six in high wind areas) per row of shingles across all rows before adding the ridge flashing which helps prevent water seepage and helps prevent ice build-up.
If your shed sits on a concrete pad, the next step should be securing it to it with anchor bolts or brackets. Predrill holes for these and cement them later for best results; this method provides a strong and secure foundation that will protect against wind and other forces. Alternatively, concrete footings may provide more effective support and durability to ensure long term success of your shed’s foundation.
As another option for tying down your shed, steel cable may also work well. When cutting cables for this option, be sure to leave some extra length and install wire crimps at both ends before threading one end through your shed’s inner lip hole and connecting it with ground augers on either side of it. Finally, extend one of these cables through its rafters down onto one of those augers on either side – then you should have enough tension on all four cables at the same time for securing.
Galvanized mobile home tie down kits can also help secure your shed to the ground easily and will give it plenty of strength.
Install the Base
If your shed is not on an even surface, it may move about unpredictably when storing heavy or bulky items, making access difficult as well as increasing stress on components and shortening lifespan.
Before installing your shed, it’s essential that the ground be prepared. To do this, dig out an area on which to build and fill it with gravel; make sure it covers more area than required so as to allow space for drainage purposes.
First, spread a layer of concrete over the gravel, and allow it to set for 24 hours before pouring a paver layer over top of it. This will provide your shed with a stable base while still making cleaning up easier.
As another option to support your shed on lawn or softer dirt surfaces, using a wooden frame provides more structure-sound support grid and is less likely to “unlevel” itself like wooden battens do.
Steel cables offer another solution for anchoring your shed to the ground, with affordable and straightforward installation. Although cheaper and simpler to set up than concrete slabs or pier foundations, steel cable installation takes more effort and may be less durable overall. To create this foundation for your shed using cables: Cut enough length so as to crimp both ends; run one end through an auger hole before attaching it directly to one side of your shed using cable ties; repeat with other cable end on opposite side of shed.