Proctor Air, an air and vapour permeable pitched roof breather membrane, is a high-performance solution for pitched roof applications, combining precision engineering with a number of impressive features. With an Sd-value of 0.02m and a vapour resistance of 0.1 MNs/g, this mem...Read More
Proctor Air, an air and vapour permeable pitched roof breather membrane, is a high-performance solution for pitched roof applications, combining precision engineering with a number of impressive features. With an Sd-value of 0.02m and a vapour resistance of 0.1 MNs/g, this membrane ensures reliability as a versatile vapour-permeable solution.
Ensuring optimal airflow and moisture diffusion through the roof, this fully air-permeable membrane minimises condensation risks, making it an effective choice for various applications, even when moisture levels are particularly high, such as during a building's drying-out period. Highly water-resistant with a W1 rating under EN13859-1, it boasts a Hydrostatic Head of water surpassing 1m and features a hydrophobic additive in all three layers, allowing exposure for up to four months, offering the building envelope temporary weather protection.
Meeting and exceeding BS5534 wind uplift standards through third-party testing, Proctor Air is suitable for all wind zones (1-4) in the UK and does not require tape. Innovatively designed, Proctor Air provides superior airflow through non-ventilated roofs compared to those following BS5250 standards, eliminating the requirement for costly ventilation hardware. Additionally, the membrane's installation negates the need for a vapour control layer in non-ventilated cold, pitched roof constructions, streamlining the process.
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