Apa rated subfloor panel osb is a material with high mechanical properties that make it particularly suitable for load bearing applications in construction.
Best attic subfloor.
The most common uses are as sheathing in walls flooring and roof decking.
Plywood or chipboard is the least expensive option for storage flooring.
The wood should be at least 5 8 inch thick to handle a heavy load.
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.
An attic conversion is a great way to expand your home s living space but best to leave the work to a licensed contractor.
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.
Plywood is familiar to most people it is a sheet material made from layers of wood oriented in opposite directions from layer to layer.
Osb oriented strand board is a different form of sheet material.