Deck Post Spacing Chart
Deck Post Spacing Chart - I need to replace one of the 4x4's due to damage of one of the 4x4 post. There's no plywood, it's just 5/4x6 poplar as the sheathing. Yes, add another 1/2 lag and make both lags at least 6 long. The 29'6 is due to yard restriction. From weight and dims to a lumber grade & size & spacing is easy but tedious. E.g., 500 gals x ~8#/gal = 2 tons.
But anyway if you start at one end there will be 3'6 then a 12'4 driveway then 13'8 to the end. The previous deck was attached to a ledger cut and flashed into the siding, and two treated 4x4 posts sitting on existing concrete patio. The overall deck will be 29'6 x 12' and 8'h at the highest point. Let me explain the deck first. I'm building a ground level deck with 2 x 4 joists supported by adjustable post bases, (bison's).
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The engineering toolbox website and others have the formulas. After you build it, check the joist deflection under the tub, l/360 or l/720 or whatever is recommended for decks. I believe code will not allow a new ledger mounted deck to be supported on the patio but i thought it would allow a small freestanding deck to do so on.
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The requirement to bury 42 below grade is because of the frost that would heave the posts and deck if it were on top of grade. Yes, add another 1/2 lag and make both lags at least 6 long. From weight and dims to a lumber grade & size & spacing is easy but tedious. The overall deck will be.
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The overall deck will be 29'6 x 12' and 8'h at the highest point. Using 5v metal for the roofing, i don't think the thickness of the metal is going to matter that much as far as the depth of the screw. = ~63 psf dead load. I have an existing 20 year old pt deck 12 x 16 2x8.
Deck Post Spacing Chart
The engineering toolbox website and others have the formulas. There's no insulation because it's just a roof over a deck, not an enclosed space. The previous deck was attached to a ledger cut and flashed into the siding, and two treated 4x4 posts sitting on existing concrete patio. There's no plywood, it's just 5/4x6 poplar as the sheathing. I have.
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Honestly, that sounds like a trampoline to me. I can't use a thicker joist because of door threshold clearance. One is to put 12x4 round footers at the bottom of a 42 hole and set the post on that and bury it. The engineering toolbox website and others have the formulas. Each post is spaced 4 ft apart.
Deck Post Spacing Chart - Let me explain the deck first. The engineering toolbox website and others have the formulas. From weight and dims to a lumber grade & size & spacing is easy but tedious. The overall deck will be 29'6 x 12' and 8'h at the highest point. I believe code will not allow a new ledger mounted deck to be supported on the patio but i thought it would allow a small freestanding deck to do so on four posts with proper set offs and wedge anchors. But anyway if you start at one end there will be 3'6 then a 12'4 driveway then 13'8 to the end.
There's no plywood, it's just 5/4x6 poplar as the sheathing. The 29'6 is due to yard restriction. The previous deck was attached to a ledger cut and flashed into the siding, and two treated 4x4 posts sitting on existing concrete patio. I have an existing 20 year old pt deck 12 x 16 2x8 joist spaced 16 oc double 2x10 sandwhich beam 8 foot spaced 4x4 posts which have 8 inch concrete piers. Lags should be 1 1/2 from top and bottom of rim joist, leaving 4 between holes.
Each Post Is Spaced 4 Ft Apart.
The overall deck will be 29'6 x 12' and 8'h at the highest point. The engineering toolbox website and others have the formulas. = ~63 psf dead load. I can't use a thicker joist because of door threshold clearance.
I Have An Existing 20 Year Old Pt Deck 12 X 16 2X8 Joist Spaced 16 Oc Double 2X10 Sandwhich Beam 8 Foot Spaced 4X4 Posts Which Have 8 Inch Concrete Piers.
Yes, add another 1/2 lag and make both lags at least 6 long. Using 5v metal for the roofing, i don't think the thickness of the metal is going to matter that much as far as the depth of the screw. Lags should be 1 1/2 from top and bottom of rim joist, leaving 4 between holes. The 29'6 is due to yard restriction.
But Anyway If You Start At One End There Will Be 3'6 Then A 12'4 Driveway Then 13'8 To The End.
One is to put 12x4 round footers at the bottom of a 42 hole and set the post on that and bury it. There's no insulation because it's just a roof over a deck, not an enclosed space. From weight and dims to a lumber grade & size & spacing is easy but tedious. Some will put the post on the soil, hammer a few nails in the side of the post and pour cement around it.
Height Of The Deck Is 34 Inches.
I believe code will not allow a new ledger mounted deck to be supported on the patio but i thought it would allow a small freestanding deck to do so on four posts with proper set offs and wedge anchors. The requirement to bury 42 below grade is because of the frost that would heave the posts and deck if it were on top of grade. I'm building a ground level deck with 2 x 4 joists supported by adjustable post bases, (bison's). The previous deck was attached to a ledger cut and flashed into the siding, and two treated 4x4 posts sitting on existing concrete patio.