1 Hour Fire Rated Plywood
Cdx fire retardant douglas fir plywood questions page 2.
1 hour fire rated plywood. Descriptions of successfully tested lumber wall assemblies are provided in. The product is decay and termite resistant. 1 2 x 4 x 8 fire retardant plywood sheathing. I need help to determine the fire rating of a ceiling unfinished attic space above with 1 2 gyp board with attached to wood trusses 24 o c.
A recent test at ul has resulted in a unique listing for a 2 hour fire resistance rated bearing wall assembly of pyro guard fire retardant treated lumber and pyro guard fire retardant treated plywood. And 12 of r 38 fiberglass batt insulation. Lantz boggio architects used lp flameblock fire rated osb sheathing as a code compliant component of both 1 hour and 2 hour ul listed fire rated wall assemblies. Inventory is sold and received continuously throughout the day.
Innovation that challenges flames garnica fire rated plywood. Garnica fire rated plywood is the ideal panel for construction projects in restaurants auditoriums schools libraries hospitals theaters museums and other public buildings. This new listing ul design no. Lumber shall be identified by the grade mark of a lumber grading or inspection agency that has been approved by an.
According to the engineered wood association a one hour rating indicates that a wall constructed in a manner similar to the one tested will contain flames and high temperatures and support its full load for at least one hour after the fire begins. Cdx 5 ply interior fire rated fir pressure treated plywood 97874 the home depot. Prices promotions styles and availability may vary by store and online. This assembly is commonly used in 1 hour exterior walls along the property line including single family construction.
Fire resistance ratings are expressed in the number of minutes or hours a structure can withstand a fire simulation test. Y 2020 m 10 d 2 h 15cst. This assembly allows for 2x4 wall construction and is fire rated for 1 hour from both sides. This fire retardant plywood is classified as a type a fire retardant product.
By code i need a minimum 1 2 hour rating. Most common applications are decorative interior wall panels auditorium ceiling panels elevator cab interiors wall partitions museum case goods and. Therefore the quantity shown may not be available when you get to the store. Objectives framing on the legacy village at castle pines began in march 2017 and the project is scheduled for completion in january 2018.
Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies.