Black Exterior Wall Sheathing

Blownonfuel Posted in Construction Techniques on August 9 2008 0722am Well it seems I just may go ahead and sheath my walls before I put them up so I need to find out how to go about selecting the thickness of sheathing and whether to use OSB or Ply.

Black exterior wall sheathing. The roof sheathing must be at least 38-in. Exterior wall sheathing is either structural or non-structural. Probably instlalled mid 70s.

Exterior wall sheathing strengthens the wall system provides a nailing base for the siding and gives a layer of protection against outside elements. It is black 12 inch thick and black tar on each side. R-13 is a 716 wall sheathing panel produced from non-toxic organic materials and natural wood fibres.

Owens Corning FOAMULAR 150 2 in. Also it is a reasonable insulator around R-3 per inch. Plywood or OSB or equivalent.

The are some areas where the board has been cut away to make access for plumbing wiring etc. The house was built in 1946 has no insulation in the walls and oddly enough to me has drywall with plaster on top of the drywall. It is also highly vapor-permeable enhancing drying to the exterior should the wall get wet.

Air sealing exterior Celotex fiberboard sheathing. Drywall 38-in-thick plywood or plaster installed over wood lath. R-15 is a 12 wall sheathing panel produced from non-toxic organic materials and natural wood fibres.

Fiberboard Building Sheathing. Structural wall sheathing also ties framing studs together makes the walls resistant to twisting and bending and provides a surface for application of materials like siding. Beaverboard black board buffalo board gray board cane board Celotex Homasote Insulite Nu-Wood are some of the many names of fiberboard or plant-fiber board sheathing products used on roofs exterior walls interior walls ceilings.