3M FB-249 Small Fire Barrier Pillow 2 Inch x 4 Inch x 9 Inch

the fire stop pillow is one of our most popular products very exciting stuff the good thing about them is they can be used over and over again they can be used as a permanent fire stop barrier or as a temporary one where you can use them again let me explain first of all there are four sizes they're all 300 mil long and now proper scratchy pillow this one is 200 ml wide and we've got the medium one at 150 the small one at 100 and then my favourite the sausage 50 mil they the combination of these tucked into a hole will give up to four hours but a minimum of two hours fire protection and how big the the hole is that your or the aperture and where you'd use it is if you cut through a fire stopping wall perhaps you're putting in cable trays perhaps you're in an IT data center and you're putting cable traits through a wall it's very difficult to fill a big void like that you can't use masti