UNDERTILE FELT

Marley Waterproofing Undertile Felt is designed for use an a underlay beneath tiles or slates in open rafter or closed boarded constructions.
Marley Waterproofing Undertile Felt is used primarily an an extra safeguard against water penetration, to act as a secondary barrier against drifting snow which can get in through the tiles, and as an air barrier, thereby adding to the thermal insulation of the roof construction.
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