Minimum Osb For Floor Deck

It is just enough to make a 12 x8 deck and i was wondering if this would be ok to use for decking.

Minimum osb for floor deck. Plywood comes in 4 by 8 foot sheets with thicknesses ranging from 1 4 to 1 1 4 inches. All asc steel deck products are manufactured to the specified length for the project. The following table summarizes the minimum and maximum lengths which can be manufactured for each profile. Using larger osb panels can be an advantage when flooring a big or odd size shed reducing the number of joints in a floor.

I have left over 2x4s and osb from a project a few months back lean to shed. Floor sheathing over supports spaced up to 16 inches o c. The main purpose is for a deck for my tent at my colorado property i just recently bought. Manufactured panel lengths profile factory cut length minimum maximum non cellular bh 36 nh 32 2wh 36 3wxh 36 3 6 45 0.

The span rating on floor span panels appears as a single number e g 20 o c. Osb and plywood are both commonly sold in 4 by 8 foot sheets but osb can be made in much larger panels up to 8 by 24 feet. Floor span panels are designed for single floor applications and are manufactured with span ratings of 16 20 24 32 and 48 inches o c. Despite its common use as such we don t recommend using osb for subfloors but that s really just for aesthetic reasons.

Osb when exposed to the weather will eventually swell and bubble up minor instances of bubbling can be sanded but for the most part the osb is irreparable and should be replaced. You will need to determine. Newer construction has floor joists spaced at 16 inches on center. Floor joist spacing has traditionally been 24 inches on center or from center to center of the joists.

Osb used in structural sheathing applications in the u s. In the case of a subfloor deformations left in the osb after it dries can lead to wavy flooring. New homes will usually see a few rainfalls before a roof is on and as noted above osb doesn t handle moisture well. The thickness that builders use most often for subfloors is 3 4 inch and when they need extra reinforcement.

2x6 joists should only be used on ground level decks that do not require and will not provide for any guards.