External wall insulation (EWI) in St Helens

External wall insulation adds an insulated layer outside the masonry, then protects it with reinforced render or cladding. It suits walls that lose heat, feel cold internally or need weather protection, but requires checks on damp, roof overhangs, windows, gutters, fixings and planning constraints before installation.

External wall insulation adds an insulated layer outside the masonry, then protects it with reinforced render or cladding. It suits walls that lose heat, feel cold internally or need weather protection, but requires checks on damp, roof overhangs, windows, gutters, fixings and planning constraints before installation.

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