

Rockwool RockPrime is a high performance attic insulation. It meets today's thermal regulations for use in both new build and existing attic spaces. Installation is cleaner and quicker than conventional roll insulation. The attic in an average semi-detached home can be insulated in about 1 hour.
Benefits of Rockwool
• Excellent thermal insulation
• Ideal for new and existing attic spaces
• Quicker to install
• No Waste
• Spaces can be filled to any depth
• Rot-free, does not decay or sustain vermin
• Excellent sound insulation
• Not displaced by air movement within the attic
• Manufactured from natural sources leading to less carbon emissions
• Not carcinogenic unlike standard fibreglass insulation
The main benefit of Rockwoll RockPrime over conventional roll-out insulation is that it will fill all voids that would remain in older insulation. There are no joins through which heat can escape. Depth gauges will allow you to see clearly the depth of insulation achieved.
Installation
Keyes Insulations carry the necessary equipment and machinery needed to install Rockwool RockPrime quickly and efficiently. Only a hose will pass through your house from our truck to the attic. A 2 man team will install the insulation. First, they insulate all water tanks, piping, attic entrance point(s) and add markers to locate electrical cables. Then one technician will stay in the truck, loading insulation into the hopper of the blowing machine while the other remains in the attic directing the hose.
Fire Classification
Rockwool RockPrime insulation can be installed up to and around the chimney breast due to its non-combustible properties. It achieves an A1 Classification in accordance with BS EN13501-1.
Acoustic Performance
Rockwool RockPrime can improve the sound insulation of a building substantially. 250mm of RockPrime attic insulation with an isolated 12.5mm plasterboard slab results in a reduction of >50dB in airborne sound being achieved.
Durability
When installed, Rockwool RockPrime insulation will not be affected by normal ventilation within the attic space. It will remain an effective insulant for the lifetime of the building.
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