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rock wool
(rock wool)
noun
[
mass noun
]
inorganic material made into matted fibre used especially for insulation or soundproofing.
More words in this category
draughtproof
fillister
flitch
flitch beam
floorboard
jointer
lath
place brick
RC
scaffolding
sett
slater
strap hinge
ticky-tacky
timber
undercoat
uPVC
vault
1
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rockburst
Rockefeller Center
Rockefeller, John D.
1
Rockefeller, John D.
2