A number grouping follows the two letters to indicate the penetrating items. These openings allowed the smoke to spread beyond the electrical rooms and into occupied floors. Planning serves as the key to any good electrical installation. Firestop System Search Don't know which product to use? Other common materials include semi-permanent firestop mortar and caulk, and manually applied putty sticks. Warranty PDF Download. Prior to use, the user shall determine the suitability of the product for its intended use, and the user assumes all risks and liability for subsequent use.
Retrofit sleeves that can be wrapped around existing bundles. Such systems include an L rating in addition to the standard F and T ratings shown. Protect your cables and your investment. These non-curing, reusable blocks can be cut to fit custom openings and installed with no mess, special tools or compression required. What is the best solution for insulating ductwork?
FyreFlange Firestop Angle. Figure 1 Sleeves and non-hardening firestop putties are a great choice for datacom cable penetrations subject to frequent moves, adds or changes. Cable Transit Flange Only - mm Square C for both floor and wall penetrations F for floor penetrations only W for wall penetrations only The second letter designation identifies the construction type of: Firestopping products are rated for a specific hourly duration e. AS Elastomeric Spray.
Kit includes 2" trade size split conduit sleeve to enclose existing cables, and 8" x 8" mm x mm ceramic heat protected wall plate to cover irregular hole cuts. How frequently you expect to reconfigure your firestop penetration can have a big impact on the best choice you can make. INSS offers exceptional performance and listed designs require less product, making INSS more cost effective than other traditional firestop silicone sealants. STI provides this service free of charge. This is another fallacy.