Wondervent 140gsm Premier Breathable Membrane Size:50m x 1m Does not foul drainage channel

Does not foul drainage channel allowing free water passage

the 150mm long GRP pre-cut valley section support should be positioned close to the eaves

Dry Verge and Roofline Direct offer these clips in packs of 10 or 50

Works With Variety of Ridges

Lead Flashing Clips are a cost effective and useful solution to securing flashings

Wondervent 140gsm Premier Breathable Membrane Size:50m x 1m Does not foul drainage channelThickness (mm) 0. 6 Mass per unit area (g m2) 140 Roll size (length width) 150; 1. 550 Colour (upper lower) black black Tensile strength (longitudinal transverse) 330 230 Elongation (longitudinal transverse (%)) 70 70 Tear resistnace (longitudinal transverse (N)) 130 200 Watertightness (unaged aged) W1 W1 Water vapour transmission (Sd)(m) 0. 02