Last Updated：2025/11/23
(roofing) A continuous, semi-flexible roof membrane, consisting of multiple plies of saturated felts, coated felts, fabrics or mats assembled in place with alternate layers of bitumen, and surfaced with mineral aggregate, bituminous materials, a liquid-applied coating or a granule-surfaced cap sheet.
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built-up roof
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Source Word
built-up roof
Noun
(roofing)
A
continuous,
semi-flexible
roof
membrane,
consisting
of
multiple
plies
of
saturated
felts,
coated
felts,
fabrics
or
mats
assembled
in
place
with
alternate
layers
of
bitumen,
and
surfaced
with
mineral
aggregate,
bituminous
materials,
a
liquid-applied
coating
or
a
granule-surfaced
cap
sheet.
Japanese Meaning
複数の層からなる防水性の屋根膜。飽和フェルト、被覆フェルト、布、マットなどを、交互にビチューメン層と組み合わせて現場で組み立て、鉱物骨材、ビチューメン系材料、液体塗布または粒状のキャップシートで表面仕上げした、連続性で半柔軟な屋根システム。
Sense（1）
(roofing)
A
continuous,
semi-flexible
roof
membrane,
consisting
of
multiple
plies
of
saturated
felts,
coated
felts,
fabrics
or
mats
assembled
in
place
with
alternate
layers
of
bitumen,
and
surfaced
with
mineral
aggregate,
bituminous
materials,
a
liquid-applied
coating
or
a
granule-surfaced
cap
sheet.
（ plural ）
