Fire Rated Roof Sheathing

Our second photo of a contained spread of fire left illustrates the object of using this fire resistant roof sheathing.

Fire rated roof sheathing.

Go to work with a building solution that meets building code requirements for fire resistent construction while increasing structural ratings. It carries an exposure 1 classification which means it can withstand normal exposure to moisture during construction. Current definition of frt plywood. One goal of this column will be to increase your understanding of each of these ratings and.

With its exposure 1 classification lp flameblock sheathing in roof deck applications is able to withstand exposure to moisture during normal construction delays. Magtechtm structural sheathing can be used in fire rated wall applications as well as for fire retardant structural sheathing on exterior and interior walls pitched roofs flat roof decks and floors. Lp flameblock is an icc es evaluated component of 1 and 2 hour fire rated wall assemblies and roof deck applications. An engineered wood product fire rated osb sheathing such as lp flameblock sheathing eliminates a layer of gypsum by combining an ignition resistant cementitious coating with a layer of osb.

The plywood industry states that the flame spread rate of frt plywood is at least as low as gypsum wallboard although without specifying which fire rated wallboard was used for comparison. Roofing systems are rated by realistic fire tests. 1 2 x 4 x 8 fire retardant plywood sheathing. Advantech sheathing 5 8 cat ps2 10 osb sheathing application as 4 x 8.

Magtechtm offers superior performance with both increased fire resistance and improved structural capacity in a single panel. 2 hour exterior wall assembly ul design no. Our roof systems are rated by code for external fire resistance under deck exposure and time temperature resistance. We must emphasize however that individual roof components are not rated at all.

Lp flameblock fire rated osb sheathing helps you meet fire codes while reducing dead load and wall thickness versus common alternatives. Prices promotions styles and availability may vary by store and online. Inventory is sold and received continuously throughout the day. Dens solutions are industry trusted high performing fiberglass mat gypsum panels suitable for your wall roof ceiling and floor projects.

Densglass sheathing adds performance and durability to a wide range of fire rated and non fire rated building assemblies.