Space saving insulation

Space saving insulation

According to Actis, its latest roof insulation product, Eolis HC, is a game-changer because it is not only faster to install than traditional products but it is also far slimmer, so it is suitable for applications where headroom is limited. 

Traditionally, under BS 5250, an air gap is required where high resistance underlays are used. However, the makeup of the Eolis HC and its specific use in a pitched roof means there is no need for this gap in most UK locations.


A combination of a reflective insulation and a vapour barrier, the product is based on the Triplex technology and consists of multiple layers of reflective films, separated by thin fibre layers, trapping air in between. Installing Actis Eolis HC is also more straightforward and quicker compared to traditional insulation methods. Instead of cutting insulation for each rafter, this product can be laid across the rafters from the inside like a blanket, and sections can be sealed together using the product’s self-adhesive lap.

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