Townhome Roof Sheathing Frt
It is the premier choice for your project to meet fire codes while reducing dead load and wall thickness when compared to common alternatives.
Townhome roof sheathing frt. 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. 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.
It adds proven performance and durability to new homes room additions and renovations. The fire resistance rated wall or assembly separating townhouses shall be continuous from the foundation to the underside of the roof sheathing deck or slab. Venting requirements shall be provided in both soffit and underlayments. Frt plywood because a fire can spread from townhome to townhome building codes often require the use of fire retardant frt plywood for roof sheathing depending upon the design of the structure.
Fire retardant treated plywood is required as roof sheathing fire protection between abutting houses duplex condo or townhouse. It is commonly called frt plywood you can tell the brand and quality by viewing a stamp. 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.
Frt fire retardant treated plywood frt plywood is a sheathing treated with a chemical to prevent flame spreading in the event of the fire. The stamp needs to be visible by code. Alternative products to using frt plywood as roof sheathing for the roof section covering the area of abutment of multiple living units have included masonry walls that penetrate the roof and fire resistant drywall laminated on the under side of the roof sheathing on either side of the wall. 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.