Raised floor fire protection utilizing separate suppression zones for both above floor and sub floor spaces is a common practice in areas where the subfloor contains a significant hazard fuel load.
Access floor fire protection.
You must provide a fire protection system below a raised floor and you have three options to pick from.
It is available cut to size or in slabs suitable for cutting on site.
A failure to eliminate exception 4 from r501 3 and r302 13 could lead to a firefighter falling through an unprotected 2x10 or flak jacket coated i joist floor and being maimed or killed due to an erroneous assumption the system adheres to the traditional 20 minute rule in contrast by providing a gypsum wallboard membrane ceiling.
Aim raised access floor fire barrier is made from high density rockwool stone wool slab faced with class o foil.
Nfpa 75 requires an automatic sprinkler system or a gaseous fire extinguishing system to be provided for the protection of the area below a raised floor in an it equipment room or it equipment area where one or more of the following exist.
Aim raised access floor fire barrier prevents fire from spreading under the floor void for at least the period of fire rating specified.
There is a critical need to protect data reduce equipment damage and facilitate a return to service.
I have been in a lot of data centers and not once has anyone pointed out a 2nd fire suppression system under the raised floor.
Safire raised access floor barriers are purpose manufactured from rock fibre material to seal the void between a raised access floor and the floor slab thus preventing the spread of fire and smoke within concealed floor spaces and at junctions between floor and walls.
The fire inspector has just asked us what fire suppression system we will have under the raised floor in addition to the fire suppression in the ceiling.
So whether you agree or disagree these few paragraphs are embedded into nfpa 13 and hence the safest bet would be to assume that they are enforceable by the authorities having jurisdiction ahj unless proven otherwise.
Fire retardant fiberglass half round hearth fireplace area rug polyester trim non slip mat low profile protects floors from sparks embers logs 27 w x 48 l tan 4 6 out of 5 stars 298 92 95 92.
Rated for up to 6 hours seals voids up to 600mm high.