Passive Purple Waterproof Membrane - External - 10Kg

Improve the airtightness of your building using the passive purple airtightness membrane. Not just air, it also keeps water thus strengthening your building fabric.
When moisture or water vapours enter a building through the minute gaps that are often neglected, it could eventually harm the building fabric, damage the structure as well as bring in health hazards through moulds. This is why we recommend using airtightness or vapour control layers. The passive

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