| Fabric |
a woven cloth
of organic or inorganic filaments, threads, or yarns.
|
| Factory Mutual |
an organization that classifies
roof assemblies for their fire characteristics and
wind-uplift resistance for insurance companies in the
United States . |
| Felt |
a fabric manufactured from vegetable
fibers (organic felts), asbestos fibers (asbestos felts),
or glass fibers (glass fiber felts). The manufacturer
process involves mechanically interlocking the fibers
of the particular felt material in the presence of
moisture and heat. |
| Ferrule |
a small metal sleeve placed inside
a gutter at the top. A spike is nailed through the
gutter into the fastening board. The ferrule acts as
a spacer in the gutter to maintain its original shape. |
| Fine Mineral Surfacing |
a water soluble, inorganic material,
more than 50 percent of which passes through the No.
35 sieve, that may be used on the surface of roofing
material. |
| Fishmouth |
Membrane defect consisting of
an opening in the edge lap of a felt in a built up
membrance; a consequence of an edge wrinkle. |
| Flashing |
components used to weatherproof
or seal the roof system edges at the perimeters, penetrations,
walls and other places where the roof covering is interrupted
or terminated. |
| Flashing Cement |
a trowelable mixture of cutback
bitumen and mineral stabilizers, including asbestos
or other inorganic fibers. |
| Flat Asphalt |
a roofing asphalt that has a
softening point of approximately 170F (77C) and that
conforms to the requirements of ASTM Standard D 312,
Type II. |
| Flood Coat |
the top layer of bitumen into
which the aggregate is embedded on an aggregate-surfaced
built up roof. |
| Fluid Applied Elastomer |
as elastomeric material, which
is fluid at ambient temperature, that dries or cures
after application to form a continuous membrane. |
