Seals Flashcards
What causes an intumescent seal to expand?
Heat
Which British Standard is for the Code of practice for fire safety in the design, management and use of buildings.
BS9999
What size of gap would be considered standard good practice between the door and frame?
3mm
When should a seal be replaced?
If damaged
If the door has been replaced
Frame paint should be what prior to seals being installed?
fully dry and cured before the seals are installed
Is this statement TRUE or FALSE? It is possible to fit fire seals in either the door or the frame.
True
What type of threshold seals are strongly recommended to ensure that resistance is not excessive during door operation and can be face fixed or concealed within the bottom rail of the door leaf?
Automatic threshold seals
For a typical FD30 door, what size of intumescent fire seal has become most recommended by door manufacturers and certification bodies?
15x4mm
What type of certification requirements are often linked to ensuring products and details of their production can be traced, should the need arise?
Third Party
Is this statement TRUE or FALSE? Cold smoke seals often feature fins or brushes on the seal profile.
True
Where can perimeter smoke seals be fitted in a door assembly?
Combined with a fire seal, centrally in the door leaf or reveal of the frame
Offset in the reveal of the frame if it’s a separate smoke seal.
Is this statement TRUE or FALSE? A double action door refers to door assemblies in which the leaves are able to open in just one direction of pedestrian travel.
False
When might you need to fit a fire seal to the threshold of a door?
When required under test evidence
Is this statement TRUE or FALSE? Smoke sealing fins or brushes need to make contact with the door or frame to be properly effective.
True
What type of seal can easily be combined with an intumescent seal and is also fitted around the frame?
Smoke seal