RockPrime Blown Loft Insulation
BSI Kitemark
Certificate type
Lightweight mineral wool loft insulation.
Application
Designed for use in between and over joists within loft spaces.
Description
ROCKWOOL ROCKPRIME® is an energy and cost-efficient blown loft granulate that is mechanically installed, offering a speedy alternative to typical loft roll insulation with minimum disruption to occupants. It is made from sustainable volcanic rock and is impervious to air movement within the loft space.
Features and benefits:
- Non-combustible Euroclass A1 non-combustible.
- Quicker to install than rolls.
- Suitable for new and existing lofts.
- No wastage.
- Does not rot or decay.
- Assists in improving the acoustic performance of the ceiling.
- Will not be displaced by air movement in the loft.
- Does not offer sustenance to vermin.
U value:
The U-values shown in the table below are based on a loft space with joists that are 100 mm in depth.
- 280 mm thick: 0.16 W/m²K.
- 300 mm thick: 0.15 W/m²K.
- 320 mm thick: 0.14 W/m²K.
- 350 mm thick: 0.13 W/m²K.
- 400 mm thick: 0.11 W/m²K.
- 450 mm thick: 0.10 W/m²K.
Application:
Designed for use in between and over joists within loft spaces.
General information
Uniclass 2015 | |
CAWS | P10/10 Loft insulation P10/150 Blown loft insulation |
Specification data - Loose-fill mineral wool fibre insulation
Product Reference | RockPrime Blown Loft Insulation |
Standard | BS EN 14064 |
ThermalConductivity | 0.047 W/mK |
Fire performance | Euroclass A1 non-combustible |
Thickness | 280 mm300 mm320 mm350 mm400 mm450 mm |
Blown density (nominal) | 23 kg/m³ |
Standard product features | Features: Suitable for new and existing lofts. No wastage. Does not rot or decay. Assists in improving the acoustic. Recyclability: ROCKWOOL is recyclable. For waste ROCKWOOL® material that may be generated during installation or at end of life, the manufacturer is happy to discuss the individual requirements of contractors and users considering returning these materials to their factory for recycling. |
Environmental information
Recyclability | ROCKWOOL is recyclable. For waste ROCKWOOL® material that may be generated during installation or at end of life, the manufacturer is happy to discuss the individual requirements of contractors and users considering returning these materials to their factory for recycling |
Third party certifications
- KM 33106. : In accordance with BS 5803: Part 2 (Thermal insulation, pitched roof spaces in dwellings – pelleted or granular).