External Wall DD Slab External Wall DD Slab is an insulation product compatible with a wide range of third-party accredited external wall insulation systems. Manufactured using Dual Density technology, the outer surface of each slab features a distinctly higher density than the underside. This provides a firm and robust surface for the application of fixings and render, while the resilient underside can accommodate unevenness in the substrate. Once installed, adjacent tightly-butted slabs will effectively 'knit' together to provide a continuous insulating layer, eliminating heat losses that would otherwise be caused by gaps. Specifying ROCKWOOL insulation within an EWI system gives peace of mind to building owners and tenants alike, safe in the knowledge that stone wool insulation will work as effectively as the day it was installed - even after 55 years of use. Buy yours with us today at www.insulationbee.co.uk or speak to one of our friendly staff on 02038839057
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