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Intumescent Putty Pad

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RectorSeal - MetaCaulk

 Product Description

Intumescent Putty Pads with the dimensions 7" x 7" x 1/8" are used to stop the transmission of fire, smoke, and sound through electrical outlet boxes and light switch boxes. During a fire, the firestop putty pads will expand into an insulating char (over 220 F) and fill the void in the wall to prevent the passage of smoke and fire. Just one intumescent putty pad will provide a 1 to 2 hour fire rating!  

Intumescent Putty Pads are commonly used in soundproofing a wall or ceiling to block the passage of sound waves through an electrical outlet or light switch box.  When soundproofing materials are used on or inside a wall structure, the electrical outlet boxes and light switch boxes are usually left untreated and become sound channels which greatly reduces the STC rating of the structure.  Our Intumescent Putty Pads when installed properly will maintain an STC sound rating of 60! (UL441 per ASTM E90) 

You may also be interested in our Acoustical Outlet Xpanders which expand the depth of the electrical box in double layer drywall installations.  Use of Wall Plate Gasket Sound Seals is highly recommended in conjunction with Putty Pads.

Putty Pad Dimensions: 7" x 7"
Putty Pad Thickness: 1/8"

*Sold in quantities of 1 pad, or by the case (20 firestop putty pads)

*Volume Pricing on Cases of 20 Pads! $4/pad

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