floor for a metal shed
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floor for a metal shed
I just had a 18 X 21 metal bldg installed. The front is only 2" above ground and the rear is 9" off the ground. I want to put a pressure treated floor and am considering digging up front half and moving dirt to rear to get some leveling. Then using 4X 4s every 2 ft. running the 21' direction and level with concrete blocks , probably 4" blocks, then cover with 3/4 plywood or tongue and grove advantec flooring. Does that sound like a good plan. ? the bldg will be used for some woodworking and storage.
#2
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I would go with a concrete floor. Back fill the low areas and compact thoroughly. Dig out high spots to allow for 4 in. of concrete. Will require approximately 5 cu. yds. of concrete. Actually, building should have been installed in top of concrete pad, in my opinion. Just my 2 cents.
#4
I'm sorry but I disagree with having to use a concrete floor. Nothing wrong with it but its expensive and not necessarly somethimg you can do yourself. I have had two sheds that I built myself and both had treated plywood floors. The first unit lasted 20 years + and the only reason I replaced it was because the siding was deteriorating and not worth repair vs rebuilding. The flooring was perfect. BTW...I live in Western New York and my yard is continuosly snow covered in winter and tends to flood in summer rains.
Your plane sounds very good to me. You might want to put in concrete block piers and then place the 4 x 4's on those. This will prevent the shed from sinking as the ground settles. Especially if you put heavy items like riding mowers and snowthrowers in it.
Other options are to put a stone base on the ground to allow better drainage or run some drainage pipe undergoround to divert any water away from the shed.
Couple of reaons why I did not want a concrete pad is that it would require a permit and considered a permanent structure and in fact would b (also would be taxed). I want the opportunity to possibly relocate it or remove it completely if the occasion should arise. Also when I decided to rebuilt the new shed I had the oppoprtunity to redesign the shape and was not locked into an existing pad shape or location.
Your plane sounds very good to me. You might want to put in concrete block piers and then place the 4 x 4's on those. This will prevent the shed from sinking as the ground settles. Especially if you put heavy items like riding mowers and snowthrowers in it.
Other options are to put a stone base on the ground to allow better drainage or run some drainage pipe undergoround to divert any water away from the shed.
Couple of reaons why I did not want a concrete pad is that it would require a permit and considered a permanent structure and in fact would b (also would be taxed). I want the opportunity to possibly relocate it or remove it completely if the occasion should arise. Also when I decided to rebuilt the new shed I had the oppoprtunity to redesign the shape and was not locked into an existing pad shape or location.
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The company that installed the bldg said If I pour concrete before it should be 1foot smaller than bldg to prevent water standing or coming in under metal channel. The construction was with a permit and has mobile home anchors and extra bracing.Also sits on concrete blocks. 8" in rear 4" front. It is certified for 120 knot wind and 35 lb sq ft snow load, I was planning pressure treated 4 X 4s on 4" concrete blocks. 2 ft centers and 3/4 " plywood floor.I could pour concrete now but It is twice the expense. I am 75 so it should last as long as I need. Thanks for the replies