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51 votes
Accepted

Why does my shed door expand/shrink?

Welcome to the joys of working with a natural product! Before I address your construction techniques, I've got to say that is a quite handsome looking door you've made. Well done! Wood moves. It ...
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  • 29.4k
18 votes
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How to reinforce a basic wood shed frame?

The sheathing that this wood shed has should be more than enough to act as cross bracing in order to prevent racking if the sheathing is installed properly. If the sheathing is installed with a single ...
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  • 29.4k
17 votes

Why does my shed door expand/shrink?

In addition to the accepted answer, it would help to add some weather protection. A small rain shield or canopy will help divert weather from the upper part of the door. Essentially a small verandah ...
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  • 6,971
17 votes

Plastic shed base - How to level soil?

Set stakes around the proposed site for the shed, attach string lines/wires, and make sure they are level. Then measure the distance between the string line and the ground periodically, and make sure ...
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  • 3,261
13 votes
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Insulating a wooden shed to provide strong heat rejection

Insulation works both ways, so it'll reduce the heat coming in from the sunlit outer walls as well. Small windows are also favourable in these conditions. For warm but not over the top situations, you ...
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  • 594
12 votes
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Running electrical to a shed

Generically I'd knee-jerk to conduit and 30A 240V service with a sub-panel, but if your needs are going to be adequately met by 20A 120V power and the loading is sufficiently low that the voltage drop ...
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  • 134k
12 votes
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Can I run an underground wire to a shed on blocks?

Yes, the national electric code allows wiring in structures like your shed. If you plan on using UF wire for the run buried 24” deep you need to bring the wire up in conduit so the wire is protected. ...
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  • 95.8k
11 votes

Can I run an underground wire to a shed on blocks?

It is advisable to use a slip joint [expansion coupling] on the conduit stub up, otherwise nothing out of the ordinary. Around here, that's not out of the ordinary even with a poured foundation. ...
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  • 134k
11 votes

Can I remove diagonal brace lumber from the walls of my shed?

Use steel strapping , it is so thin that you can put shelving over it. I would use more than two where the 2 X 4 are ; put in a few. Parallel the existing braces and at 90 degrees to the existing ...
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  • 7,668
11 votes

How to reinforce a basic wood shed frame?

Cross braces at a 45 degree angle will strengthen the building. Two on the back and one at each side. Can use 1x4s or whatever. A couple of braces in the front from roof to front of the sides will ...
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  • 5,761
10 votes

Running electrical to a shed

In the USA you get to play fast and loose with this. If you simply extend with 12 AWG, you'll have 0.6% voltage drop per amp that you draw... so a 1/4 amp battery charger won't give any drop at all, ...
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10 votes

Why does my shed door expand/shrink?

Both answers are great, but I wanted to note that you really should be adding a water-proofing solution to the door on a regular basis. As Criggie noted, covering the door would naturally limit how ...
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  • 19.8k
10 votes

Can I use 2 runs of 10/2 UBF for my Shed 90’ from House?

You can't run 2 separate circuits of the same type to an outbuilding. If they are 120V circuits you could run the two as a multi-wire branch circuit, which counts as 1 circuit. You would need 10/3 ...
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8 votes

Ground-level electrical wiring to shed outdoors possible?

With rigid or intermediate metal conduit ($$) you can follow code without going very deep - 6" under dirt, 4" under a concrete cover of at least 4" thickness extending at least 6" to either side. ...
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  • 134k
7 votes
Accepted

Is a ridge beam necessary for a small shed roof?

A ridge board isn't a "beam", per se. It's often just a nice way to bring the rafters together. A proper beam would have a supporting post at each end. You don't need a ridge beam, but you do need a ...
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  • 105k
7 votes
Accepted

Can I install a row of bricks on a slab to support a shed?

Michael Karas is correct in that a half-height block foundation wall is common, but that doesn't really address your concern about water intrusion. His suggestion to seal the block does, and that ...
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  • 105k
7 votes

What size/type wire for a 300ft run from house to shed?

Just drop a conduit in there instead, you'll thank yourself later Instead of rushing to buy wire and getting the wrong thing, then having to dig it up later, why don't you get yourself some fat PVC ...
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7 votes
Accepted

How to add corner trim to a shed without exterior access?

I would build the shed on rollers or skids three feet from the neighbors' walls. Finish it completely and properly, then roll or slide it into position, lever it up and slip the timbers out. A 10x10 ...
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  • 105k
7 votes

Self-built shed door warping: can it be fixed?

The classical approach to this would be that you have 7 face boards. The center one gets holes that just fit the screws, the ones to either side get small slots (width-of-door-wise) and the outer ones ...
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  • 134k
6 votes

How much 120 from 240 is too much?

The number of circuits isn't really the issue. You could run as many as the panel will allow, number of breaker positions. The issue is amps to the panel. You've got 40 amps to use and as long as you ...
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  • 53.7k
6 votes

Running 20 AMP switches to shed that is 100ft away from main panel

One circuit too far for your idea You are only allowed to effectively run two circuits (one multiwire branch circuit, really) to an outbuilding, given single phase power, or else you'll fall afoul of ...
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6 votes

Can I remove diagonal brace lumber from the walls of my shed?

Those diagonal braces appear to be temporary bracing in order to get the roof and siding installed for two reasons: 1) different length braces, and 2) lack of double nailing at each stud. If the ...
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  • 3,610
5 votes
Accepted

Must all firewood sheds have airflow?

Firewood needs to dry out. It won't dry out in a sealed shed nearly as fast and completely as it would in an open-air setup. Worry about moisture in the air 'getting back in' to the wood isn't ...
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  • 23.8k
5 votes

Backyard shed with keyed hasp same as house key

A locksmith can order (if necessary) and set up padlocks or locking hasps that respond to your house key, unless the house lock is using a particularly uncommon key blank. They may be a bit larger ...
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  • 16k
5 votes
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Electrical Circuit for Detached Shed 200 ft

Yes, you can run a single branch circuit to a structure Considering you only need a single branch circuit there, you can run a single branch circuit out to your shed with say 10AWG for hot/neutral/...
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5 votes
Accepted

Shed floor framing out of square 3/4 inch

Use a ratchet strap or a come-along to pull the corners together on the diagonal that measures longer than the other, then, before removing this, secure a sheet or two of plywood down to the floor ...
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  • 1,099
5 votes

The structural integrity of a backyard structure

As with any structure you need to define the loads on it (wind, snow, furniture, people etc) and from there define the structure or framing capable of supporting those loads. There may well be local ...
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  • 20.8k
5 votes

How to support 4x4 posts on cement driveway

+1 option #4, plastic standoffs. "Any thoughts on the most robust way to anchor the posts?" You said you are renting and can not anchor. Take some five gallon buckets and mix up some cement, ...
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  • 13.2k
5 votes
Accepted

What can I do to make my galvanized steel shed stronger?

In Florida, I have seen many sheds like the one in your picture further supported with cable or strap tie downs. Heavy galvanized eye bolts embedded in each side of the concrete slab. Then straps or ...
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  • 53.7k
5 votes

What can I do to make my galvanized steel shed stronger?

OK it's not made of galvanized steel, it's sheathed in galvanized steel. That sheathing is paper-thin and provides no structural value whatsoever. Seriously, ask your engineer how it would affect ...
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