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 Under-floor heat insulation of Gyprock Rockwool is positioned between joists to a depth of 250mm. This insulation prevents heat transfer to the loft in winter, and from the loft in summer. Insulation within loft floors also creates a thermal barrier in the event of fire, and a sound barrier. Gyprock Rockwool Loft insulation Price guide Contact 0870 7575 010 Conversions in Greater Manchester and Lancashire | ||
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