What are 4 types of exterior wall sheathing?

What are 4 types of exterior wall sheathing?

Five common structural exterior sheathing options include wood-based, gypsum, glass mat, cement board, and Barricade® Thermo-Brace®. Plywood sheathing is made from whole sheets of wood that are cross-laminated, which give the boards strength and stiffness.

What type of sheathing is used for exterior walls?

There are many exterior wall sheathing options available, with wood sheathing being one of the most commonly used materials. Wood sheathing materials include plywood, oriented strand board (OSB), and waferboard. Plywood is made of whole sheets of wood that are cross-laminated.

What materials can be used as sheathing?

The materials most commonly used for sheathing include; engineered timber, plywood, gypsum and oriented strand board (OSB). Floor sheathing is typically a tongue and groove material that carries live loads down to the floor joists beneath.

How thick should exterior plywood sheathing be?

The International Residential Code specifies 3/8-inch plywood for sheathing walls with a standard stud spacing of 16 inches, if the siding is nailed to the studs through the sheathing. If the nails penetrate the sheathing, but not the studs, the minimum plywood thickness that the IRC designates is 1/2 inch.

Is cement board considered non combustible?

Yes, HardieBacker® 1/4″ Cement Board is deemed noncombustible when tested to ASTM E 136 and can be used in conjunction with other noncombustible materials around a fireplace. This does not mean that clearances to combustible building materials can be reduced by using HardieBacker 1/4″.

What are cement boards non combustible?

Weather Kem is a non-combustible calcium silicate fibre cement board, combining weather, moisture and fire resistance properties with high impact strength and sound insulation. It is rated as a Category A board to BS EN 12467:2012+A2 2018 for applications where they may be subjected to heat, high moisture and severe frost.

Are metal studs non combustible?

A non-combustible wall would be metal studs sheathed with cement board and then finished with your choice of materials as I outlined previously. I also previously offered my advice on which cement board to use and which not to use. Use Durock. That said, Your current surrounding walls which are stacked stone with mortar on cement board.

What is the best fire resistant wood?

It will be noted from these tests, that in the case of the Western woods, Western larch resisted ignition longest; and that among the Eastern woods, tamarack or Eastern larch held same position. In fact, tamarack seems to be the most fire-resistant of eight woods tested.