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Fire blocking or firestopping is a system of supplemental components in a wood-framed wall or ceiling, which prevents the rapid propagation of fire within a combustible framing cavity to other areas. Description and function
A firestop or fire-stopping is a form of passive fire protection that is used to seal around openings and between joints in a fire-resistance-rated wall or floor assembly. Firestops are designed to maintain the fire-resistance rating of a wall or floor assembly intended to impede the spread of fire and smoke.
For building in most parts of North America, where winter heating conditions predominate, vapor barrier are placed toward the interior, heated side of insulation in the assembly. In humid regions where warm-weather cooling predominates within buildings, the vapor barrier should be located toward the exterior side of insulation.
In the United States, the International Building Code and ASTM International define Exterior Insulation and Finish System (EIFS) as a non-load-bearing exterior wall cladding system that consists of an insulation board attached either adhesively, mechanically, or both, to the substrate; an integrally reinforced base coat; and a textured protective finish coat.
Firestop pillow: Loose Fill/Fibreglass Bag type of firestop pillow. Usually this type of pillow contains a mixture of graphite and vermiculite. There are three types of firestop pillows: [citation needed] rockwool batts with intumescent resin inside plastic bags; vermiculite with intumescent graphite inside of fibreglass bags; intumescent foam ...
A penetration, in firestopping, is an opening, such as one created by the use of a cast-in-place sleeve, in a wall or floor assembly required to have a fire-resistance rating, for the purpose of accommodating the passage of a mechanical, electrical, or structural penetrant. [1] The penetration may or may not contain a firestop system.
Sprinkler branch pipe through-penetration with plastic sleeve - missing firestop in concrete fire separation. The space between the sleeve and the pipe is the annulus or annular space The annulus , or annular space , is the space between a penetrant and anything that surrounds it, such as the sides of an opening or a sleeve , as the case may be ...
Ceramic fibre used as packing to support firestop silicone caulking Packing is the process and/or the materials used in filling both service penetrations and building joints with backer materials as approved components within a firestop .