Steico Flex 036STEICO Flex 036 STEICO Flex 036 is a flexible wood fibre insulation batt designed for use within walls, roofs, floors, and service cavities. Manufactured from natural wood fibres, it combines excellent thermal performance with vapour openness, moisture regulation, and acoustic insulation, making it suitable for both new build and retrofit projects. Its flexible fibre structure allows the insulation to friction fit between studs, rafters, joists, and

Conventional gypsum skim coats and impermeable finishes can restrict vapour diffusion and compromise the moisture performance of breathable wall systems

Always test on a sample area to determine exact coverage for your project

allows masonry flexibility

and preserving the performance of breathable wall systems

and heavy rain

drying conditions and background suction should be carefully controlled to achieve the best finish

The membrane’s ability to alter its vapour resistance based on the surrounding humidity means that the timber frame structure is protected against undue moisture risk and potential condensation issue

and lime-based mortars

harbour walls

long-lasting tools that deliver excellent value for money

The 100mm and 150mm sizes are useful for sealing wider gaps

Easy sanding for a smooth final result