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Polypropylene breather membranes
Showing 1-19 of 19
Breathable roof underlay with adhesive lap tape.
Spirtech 400 2S is a high quality, four layer, vapour permeable underlay for use in pitched roofs. Manufactured from spun bonded polypropylene it is strong, durable and easy to install.
Airtight vapour control layer for roof, wall or floor systems.
Internal AVCL - High vapour resistance & low emissivity.