Primarily used to eliminate the problems with condensation in new homes by allowing the roof to breathe Easy-Trim microporous breather membranes also improve energy efficiency act as a barrier to minimise wind uplift & load acting upon slates & tiles & provide secondary protection against water ingress. Manufactured by thermally bonding outer spun-bonded polypropylene layers with an inner layer of microporous film. In our lightweight range of roof underlay's Master delivers performance & value for your money.. The Integrate range from Easy-Trim incorporate high performance integrated acrylic tapes allowing rapid installation without the need for battened overlaps saving on costs time & potential health & safety issues.