Pack putty into the inside of conduit fittings to prevent the passage of smoke or sound. The thicker pad increases sound isolation. Each pad is a 7-1/4' square and 3/16' thick, about double the thickness of most putty pads. These putty pads for electrical boxes are sound and fire tested to maintain maximum sound and fire ratings. Trim excess at corners and apply to conduit fittings connected to the box The SSP Specseal Putty Pad is used to seal through penetrations, construction gaps, and blank openings. Simple, easy-to-use intumescent firestop technologies to block smoke and fire spread. Quelfire putty pads specify a 3mm minimum average thickness to be maintained throughout each installation which may vary between product manufacturers. Press pad to surface of top, bottom, and sides of box Quick-to-install intumescent collars, wraps and putty for traditional firestopping. Putty pads can be extended using additional material or offcuts to ensure the installation sits flush with the front face of the plasterboard wall. Cut slits in pad to fit around conduits or cable. 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. If wall membrane is in place, pack putty into gaps between box and gypsum board slightly overlapping inner wallboard surface. Working to the opposite side of the box to the edges Remove poly liner from one side of the putty padĪlign putty pad to the side of box partially overlapping the stud and adhere. HOW DO I INSTALL PUTTY PADS ON AN ELECTRICAL BOX? STEP 1: The pad is sized to fit a common 1-1/2" deep 4S electrical box. Our 3M Fire Barrier Moldable Putty Pads MPP+ are a one-part firestop material used in various fire-rated assemblies, such as electrical box protection. Putty Pads are available as a 7" x 7" poly release faced pad for protection of recessed electrical boxes and as a through-penetration sealant. Poly liner may be left on the back of the pad or removed.Putty Pads are made from intumescent putty which is primarily used a firestopping product. As required, putty may be packed into insides of conduit fittings to prevent passage of smoke. Trim excess at corners and apply to conduit fittings connected to the box. Press pad to surface of top, bottom and sides of box.Cut slits in pad to fit around conduits or cables. If wall membrane is in place, pack putty into gaps between box and wallboard slightly overlapping inner wallboard surface.Work to opposite side of the box to the edges. Hilti Firestop Putties - CP 617 Firestop Putty Pad - Moldable firestop putty to help protect electrical outlet boxes, junction boxes and washer/dryer boxes. Align pad to the side of box partially overlapping the stud and adhere.Remove poly liner from one side of pad. Storage Temperature: Less than 120 deg.Volume Expansion: >500% (free expansion) Putty Pads are non-curing, 7 x 7 x 1/8 moldable pads that are applied to the backside of electrical boxes to maintain the integrity of 1 & 2 hour fire. Size: 7.25″ x 7.5″ x 3/16″ and 9″ x 9″ x 3/16″ The Protecta Putty Pad has been designed to maintain the fire resistance of gypsum walls where these are breached by electrical switches and.No other product is as easy and versatile to use, and has tested and proven fire and acoustical resistance. We also have Fire-stop Putty Pads that may also be applied to penetrate in a mortar system to create a fire-stop, as well as to absorb movement due to expansion and contraction or resonate vibration. FRP67 is a hand moldable putty pad used to maintain the hourly rating of fire-rated walls containing electrical outlet boxes. Strips of the pad may be cut off and packed around any wall opening. Putty Pads may also be used through penetrations for wire, cable, etc. Surface burning characteristics UL 723 (ASTM E84): Flame spread: 15. Faced on both sides with a poly liner, Putty Pads are easily applied with no mess or excessive residue. Moldable firestop putty to help protect electrical outlet boxes, junction boxes and washer/dryer boxes. Putty pads, when applied to the backside of electrical boxes to maintain the integrity of 1 & 2 hour fire rated gypsum walls. The pad is conveniently sized to fit standard single or double gang boxes with no cutting or piercing required. Intumesces when exposed to fire, forming an insulating char. Putty Pads provide acoustical sealant for wall penetrations in the form of a release lined pad that is easy to apply to electrical boxes or other penetrates. Metacaulk Putty is a moldable non-curing 1-component fire-rated material for through penetration firestop systems.
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