Naturheld Wood Fibre Insulation - Flex Size:50mm - (8.4m2 / 12 slabs per pack) Apply silicone render 24 hours

Apply silicone render 24 hours after priming

slightly porous supports or insulating boards and as a finishing coat if rustic or fine textures are required

improving the room’s comfort during sunny days

Perfect for installers and contractors who need a trusted

Comprehensive Warranty – includes a 10 year warranty on the window

Naturheld Wood Fibre Insulation - Flex Size:50mm - (8.4m2 / 12 slabs per pack) Apply silicone render 24 hoursNaturheld Flex Flexible Wood Fibre Insulation Naturheld Flex is a natural, breathable insulation made from PEFC certified wood fibres, sourced from renewable timber off cuts. Designed for sustainability and performance, it reduces heat loss, cuts energy bills and creates a healthier indoor environment. Why chose Naturheld Flex? Sustainable and Eco Friendly made from renewable, PEFC certified timber. Excellent Thermal Efficiency low conductivity of 0.