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Undercloak

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A light grey coloured strip used for mortar bedded verge and semi-exposed applications such as roofline soffit. This product meets the fire performance requirements of BS 476:1989 part 6 and BS476:1997 part 7. Autoclaved for improved moisture resistance and strength.

Sizes available:


3.2mm thickness, 150mm wide x 1200mm lengths
4.5mm thickness, 150mm wide x 1200mm lengths.

A product which is popular on traditional verge details and semi-exposed applications, particularly when natural slate is used. Also commonly used on roof refurbishments.

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