Collection: RS45

Providing your homes with good insulation systems is one of the top most priorities while you go ahead with building a new home or a new dream project. Coupled with various benefitting features, the RS45 provides abundant insulation when installed in the construction of the building. It is effectively used in the thermal insulation and acoustic applications in commercial and domestic constructions including industries. These are basically mineral wool slabs made up of unfaced rock that do not support vermin or any other microorganism.

These slabs are odorless, non-hygroscopic and rot proof which makes it more durable and enhances the overall performance of the insulation system. They are non-combustible and with a astounding fire performance which is classified as Euroclass A1 to BS EN ISO 13501-1. It provides a wide range of densities; they impart exceptional acoustic and thermal properties.

The RS45 slabs are made up of non-combustible and inorganic rock wool which is defined as mineral wool in BS 3533: 1981. These comply with a quality assurance system which has an association with BS EN ISO 9001:2000.

Environmental Concerns:
The slabs in this range are perfectly environmental-friendly. They are free from CFCs and HCFCs. They possess a zero potential for ozone layer depletion and zero global warming potential which ensure that there is no contribution from the4 product towards the depletion or harm to the ecological balance. This not only makes it environmental friendly but also natural enough for installations in buildings and construction units. These are inclusive of the ECOSE Technology which ensures that it works as a formaldehyde-free, eco-friendly binder made up of renewable, bio-based materials.


  • A+ generic BRE Green Guide rating

  • Thermal conductivity: 0.035 W/mK

  • Euroclass A1 to BS EN ISO 13501-1 Fire Performance

  • Odorless, non-hygroscopic, and rot proof

  • Do not sustain vermin

  • Free from CFCs, HCFCs

  • Excellent thermal and acoustic properties

  • Wide range of densities

Knauf RS45 (All Sizes) 600mm x 1200mm
Knauf Earthwool RS45 (All Sizes) 600mm x 1200mm - Knauf Earthwool Insulation
Regular price
from £460.83 £553.00
Sale price
from £460.83 £553.00
Regular price
Unit price
Sold out
This site use cookies to improve your user experience. View Privacy Policy