waterproof breathable slopping roof underlay - KDBG110

Breathable membranes have been used in buildings for many years now and, more recently, in coldpitched roof constructions without traditional eaves ventilation. The benefit of reduced heat loss andnot having to incorporate ventilators has seen their use grow but at the same time has attractednoticeable comment both from supporters of the application and from detractors who favour traditionalventilation solutions.

Kangda Breathable consists of a microporous water resistant film, sandwiched between two layers of shrink resistant spun-bonded polyolefin.In Roof Applications - Intended for use as a alternative to conventional kraft paper roof underlay, which are fixed over timber or steel framed roofs and to assist in the moisture management of roof cladding systems.In Wall Applications - Intended for use as an alternative to conventional kraft paper wall underlays, which are fixed over timber or steel frame walls in order to limit the entry of wind into building cavities.

High performance Kangda breather membrane fully supported or unsupported tiled, slated or metal roof system.

The benefits are: no additional risk of condensation, no requirements for eave and ridge venting, a warmer roof space, increased efficiency of insulation, easy installation, easier site supervision and simpler specifications.