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interlayment
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English
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Etymology
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interlay
+
-ment
Noun
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interlayment
(
countable
and
uncountable
,
plural
interlayments
)
(
roofing
)
a
felt
, metal, or
membrane
sheet material used between courses of steep-slope roofing to improve the weather and water-shedding characteristics of the
primary
roof covering during times of wind-driven precipitation.
