Townhome Roof Sheathing Frt

The stamp needs to be visible by code.

Townhome roof sheathing frt.

The fire resistance rating shall extend the full length of the wall or assembly including wall extensions through and separating attached enclosed accessory structures. The problem is caused by excessive exposure to solar radiation. Plywood sheathing is ideal for residential and light plywood sheathing is ideal for residential and light construction and every piece meets the highest grading standards for strength and appearance. Located on buildings with less than a 10 feet fire separation distance shall be securely attached to framing members and applied over fire retardant treated wood 23 32 inch wood sheathing or 5 8 inch exterior grade or moisture resistant gypsum board.

Frt fire retardant treated plywood frt plywood is a sheathing treated with a chemical to prevent flame spreading in the event of the fire. It is the premier choice for your project to meet fire codes while reducing dead load and wall thickness when compared to common alternatives. It adds proven performance and durability to new homes room additions and renovations. It was used on townhouses and condos roofs 4 feet on each side sometimes more of the walls separating each individual unit in the late 1970 s to early 1980 s.

Fire retardant treated plywood is required as roof sheathing fire protection between abutting houses duplex condo or townhouse. Thermal degradation of fire retardant treated plywood between 1985 and 1995 approximately 750 000 multi family housing units experienced roofing problems due to fire retardant treated frt plywood sheathing failure figs. Fire exposure to frt plywood initiates a process of acid hydrolysis that increases fire resistance at a critical time. Fx lumber guard xt frt osb sheathing provides higher design values than pressure impregnated frtw plywood at the same thickness and creates a superior substrate for securely fastening exterior facing.

In dwellings such as townhouses and condomini ums some building codes allow the use of 4 ft 12 2 m of frt plywood as roof sheathing at the party separation wall in lieu of a fire rated parapet extending above the roof line. It is commonly called frt plywood you can tell the brand and quality by viewing a stamp. Venting requirements shall be provided in both soffit and underlayments. Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for.