What are intumescent putty pads?
Firespan Intumescent Putty Pads are designed to be used on the inside or outside of electrical socket boxes to maintain fire and smoke barriers where service holes are cut into dry lining and all types of fire rated boarding.
What is the fire rating of 3m fire Barrier Moldable putty?
4 Hour
3M™ Fire Barrier Moldable Putty Pads MPP+ are a one-part firestop material used in various fire-rated assemblies, such as electrical box protection….3M™ Fire Barrier Moldable Putty Pads MPP+
Colour Family | Red |
Fire Rating | 4 Hour |
Overall Length (Imperial) | 7 in, 8 in, 9.5 in |
Overall Length (Metric) | 178 mm, 203 mm, 241 mm |
What are putty pads used for?
Putty pads isolate plastic pipes from concrete or mortar to help speed reaction of intumescent materials. Lay putty pads under and over cables in tray applications to firestop and smoke seal heavy cable bundles-this is particularly effective in pillow installation.
What is firestop putty?
Product Overview. Putty provides draft and cold smoke seal. Noncorrosive to metal and compatible with synthetic cable jackets. Conformable and ready-to-use.
What is intumescent sealant?
Intumescent devices react to heat, expanding to seal any voids left when combustible materials burn and deteriorate in a fire to prevent the spread of fire and smoke.
Do putty pads expand?
Under fire conditions, the intumescent putty pad expands to fill the void left by the burnt out electrical socket box, preventing the spread of fire through the plasterboard wall.
What are putty pads made of?
Putty Pads are made from intumescent putty which is primarily used a firestopping product. 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.
Do Putty Pads work?
The Results. The putty pad worked much better than I expected. The pad sealed the junction box and blocked the music on the other side of the wall. If you’re putting in a new wall, putty pads are a relatively inexpensive and effective way to reduce sound transmission.
Are putty pads required?
Putty pads are not a requirement for back boxes installed within masonry walls although penetrating cables through the wall need to be considered. For the best protection and putty pad installation, there are various methods available on the market.
What is electrical putty?
3M™ Scotchfil™ Electrical Insulation Putty comes in a tape form that is used to insulate irregular surfaces like fittings and valves. This self fusing, electrical grade tape can be stretched or wrapped and helps to insulate connections up to 600V. It withstands a wide temperature range of 32 to 176 °F (0 to 80 °C).
Is putty fire resistant?
Astroflame fire putty is a solvent free, easy to use, fire resistant putty, which is ideal for sealing around pipes and cables in solid walls and floors. Tested to EN1366-3 on C1, C2 and D1 Type Cables and Metallic Pipes.