1.
What is Rockwool?
Rockwool is a stone-based insulation. It is sourced from abundant
lava deposits of volcanic rocks which are melted in a cupola furnace
like a controlled man-made volcano. As the re-melted lava comes out
of the furnace, it is spun, given water repellency treatment and bound
together in a wool-like fleece.
Rockwool is a stone wool, which is inorganic and ideal for thermal
insulation, fire protection, acoustic control and environmental purposes.
During the manufacturing process, Rockwool is cut, shaped and combined
into many different products for a wide variety of applications including
buildings, systems, services, marine and offshore.
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2. What density is Rockwool?
There is no single answer to this. Rockwool products are destined for
a wide variety of applications needing different densities, each of which is
designed into the product at the
manufacturing stage. The most familiar Rockwool product will be Rockwool Rollbatt,
a light density 24 kilogram per cubic metre (kg/m3) material used typically for
loft insulation. At the other end of the
density range is a system for cladding buildings using a high density panel of
compressed Rockwool at over
1000 kg/m3. The versatile range of Rockwool products includes rolls, slabs, boards,
dual density systems,
mats, pipes, fabricated and loose wools, all of which are provided in a range
of densities and thicknesses
suitable for their best application.
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2004 Wilhams.All rights reserved.
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