How to Install a FireStop Putty Pad
Here is a brief demonstration on installing Fire Stop Putty Pads. These are a non-hardening, intumescent compound designed to seal through-penetrations as well as certain membrane penetrations against the spread of fire, smoke, toxic gasses and sound.
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Firestop Putty Pad
$96.20 – $180.20
A Firestop Putty Pad provides acoustical sealant for wall penetrations in the form of a release lined pad that is easy to apply to electrical boxes or other penetrates. The pad is conveniently sized to fit standard single or double gang boxes with no cutting or piercing required. Faced on both sides with a poly liner, Firestop Putty Pads are easily applied with no mess or excessive residue.
Firestop Putty Pads may also be used through penetrations for wire, cable, etc. Strips of the pad may be cut off and packed around any wall opening. Pad strips may also be applied to penetrate in a mortar system to create a firestop, as well as to absorb movement due to expansion and contraction or resonate vibration. No other product is as easy and versatile to use and has tested and proven fire and acoustical resistance.
Technical Information for Firestop Putty Pad:
- Size: 7.25″ x 7.25″ x 3/16″ (Single Gang), 9.00″ x 9.00″ x 3/16″ (Double Gang)
- Color: Red
- Odor: None
- Density: 1.45 kg/L (12.08 lb./gal)
- Expansion Begins: 230 deg. F
- Volume Expansion: >500% (free expansion)
- In Service Temperature: -10 deg. F – 120 deg. F
- Storage Temperature: Less than 120 deg. F
- Meets: ASTM E814 (UL1479)
- Shelf Life: No limit
- STC: 62 per ASTM E90-04/ASTM C919
Installation Method:
- Remove poly liner from one side of pad.
- Align pad to the side of box partially overlapping the stud and adhere. Work to opposite side of the box to the edges.
- If wall membrane is in place, pack putty into gaps between box and wallboard slightly overlapping inner wallboard surface. If membrane is to be installed after pad installation, overlap front edge of box so that putty will be compressed around edges of box as wallboard is installed. Cut slits in pad to fit around conduits or cables.
- Press pad to surface of top, bottom and sides of box. Trim excess at corners and apply to conduit fittings connected to the box. As required, putty may be packed into insides of conduit fittings to prevent passage of smoke. Poly liner may be left on the back of the pad or removed.
Cleaning and Maintenance:
Remove excess material from all contact surfaces immediately. Clean hands or skin using a water-less hand cleaner. When using water emulsifiable soaps, apply soap and work over areas of the skin contact prior to applying water.