Grenian are a specialist company offering technical and specification support for natural insulation within the building envelope.
Our portfolio of natural insulation products includes 100% Sheep wool insulation which has independent ETA certification and ensured CUAP product testing for product durability.
Further natural insulation options include 100% cork insulation, cellulose and woodfibre.
Grenian also offer a wide range of approved systems for the building envelope. www.grenian.co.uk