Best Attic Subfloor

Since the boards are sold in 4 foot by 8 foot sheets you may need to cut them into 2 foot wide strips to get them into the attic space.

Best attic subfloor.

The wood should be at least 5 8 inch thick to handle a heavy load. Apa rated subfloor panel osb is a material with high mechanical properties that make it particularly suitable for load bearing applications in construction. Plywood or chipboard is the least expensive option for storage flooring. Of the two most common subfloor materials builders often debate which is best.

Weight concerns if you do have an existing walk up attic with traditional floor framing the principle concern when converting the space into a living area will be weight. The most common uses are as sheathing in walls flooring and roof decking. The best you can hope for is perhaps to lay some thin plywood platforms down over the bottom truss members and use them to store lightweight items. The decision regarding the thickness of plywood to use for the subfloor in the attic has a lot to do with how you intend to use the attic and it also depends on the spacing of the ceiling joists.