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2. Firestop - Wikipedia

   en.wikipedia.org/wiki/Firestop

   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.

3. Packing (firestopping) - Wikipedia

   en.wikipedia.org/wiki/Packing_(firestopping)

   Packing with inherently fire-resistive materials, such as rockwool or ceramic fibre is intended to protect sealants that would, on their own, be consumed by the fire. Lesser packing, such as foam backer rod or fibreglass are used simply to hold up materials that can survive fire testing on their own. In both cases, the packing is placed in such ...

4. Fire blocking - Wikipedia

   en.wikipedia.org/wiki/Fire_blocking

   Fire blocking or firestopping terminology was used interchangeably in code language from its first mention in the 1905 National Building Code (NBC), and requirements were expanded in the 1927 Uniform Building Code (UBC). Building code terminology settled on different definitions of the terms by 2000. [4]

5. Sealant - Wikipedia

   en.wikipedia.org/wiki/Sealant

   Sealant is a substance used to block the passage of fluids through openings in materials, [1] a type of mechanical seal. In building construction sealant is sometimes synonymous with caulk (especially if acrylic latex or polyurethane based) [2] and also serve the purposes of blocking dust, sound and heat transmission. Sealants may be weak or ...

6. Firefighting foam - Wikipedia

   en.wikipedia.org/wiki/Firefighting_foam

   [15] 3M phased out production of PFOS in 2002 due to toxicity concerns. [16] One study, published in 2015, found that firefighters were more likely to have fluorinated surfactants in their bloodstream. [17] In 2016, the United States Air Force paid $4.3 million for a water treatment system for residents downstream of Peterson Air Force Base in ...

7. Firestop pillow - Wikipedia

   en.wikipedia.org/wiki/Firestop_pillow

   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 ...