Mineral Wool

Approved as a backer for firestopping applications. Economical and easy to install. Packaged in a 2" x 24" x 48" bundle.

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FirePlug® Mineral Fiber

A cost effective firestopping solution designed especially to fit irregular shaped voids in corrugated metal pan deck. FirePlug® is made from a high temperature mineral fiber product that installs quickly by eliminating the time consuming task of match-fitting the top edge of the drywall or masonry to the metal deck profile. FirePlug® eliminates expensive cutting in the field, and its smooth, flat surface allows consistent control of spray coating and/or caulk sealant thickness. Weight for each: 8 lbs.

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Backer Rod

For joints greater than 1/4” a round, flexible length of extruded polyethylene backer rod can be used to create a surface backing. At the same time it insulates and acts as a bond breaker allowing the caulking material used to adhere better. Easy to install, backer rod will compress to fit a wider range of joint sizes. It allows for a faster cure of caulk. For indoor applications only. Open cell.

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