Rockwool is made from rock, basalt, anorthosite and carbonates, in a man-made process somewhat similar to the way lava is made naturally in volcanos. The rocks are melted in a cupola (furnace,) then spun into fibres and processed in different ways to produce a range of products ideally suited for particular uses:
Flexible wired mattress
‘Construction’ rockwool for sandwich panel cores
‘Loose Fill’ for cryogenic insulation
Slabs suitable for growing plants in!
Volatile Organic Compounds (VOC)
Ozone Depletion Potential (ODP)
ROCKWOOL stonewool products are non-combustible. The rockwool (stonewool) products achieve this result when tested to all the international standards, eg: AS 1530.1, BS 476 pt4, ASTM E 136, IMO A799, DIN 4102.
Quality Assured Manufacture
Manufactured to International Standards
ROCKWOOL stonewool products are manufactured to meet the requirements of recognised international standards. Examples are: ASTM C 547, ASTM C 592, ASTM C 612, ASTM C 795.
Rockwool stonewool has on average a recycled content of its raw materials of 28%.