On all orders
Breatheshield 160R is a Vapour Permeable Underlay and is of Premium Grade. It is a reinforced membrane and as such displays a 370N (MD) and 430N (CD) tensile strength. It is only available in a 1.5m roll due to the reinforcing mesh. Its Breathability (Sd = 0.02m, MNsg = 0.1 or 1250 grams/m2 per 24hrs) is very similar to the majority of alternative membranes available to the roofing sector but a Premium Membrane will display greater strength and water tightness. It's head of water test is 6.8m.