Designed to be suitable for all five wind uplift zones as an underlay for discontinuous roofing, this Icopal Monarperm Breathe is a BBA-certified vapour-permeable membrane that can be used for over rafter and pitched applications in non-ventilated and ventilated roofs. Manufact...Read More
Designed to be suitable for all five wind uplift zones as an underlay for discontinuous roofing, this Icopal Monarperm Breathe is a BBA-certified vapour-permeable membrane that can be used for over rafter and pitched applications in non-ventilated and ventilated roofs.
Manufactured from two layers of polypropylene fabric with a middle layer of laminated polymer film, this membrane is 0.67mm thick with a white underside and blue topside. Ideally used for temporary waterproofing for up to three months before the installation of tiles and slates, this membrane is resistant to water penetration. It can also be used as a secondary layer to protect against wind-driven rain and snow as well as rain screen cladding and vertical weatherboarding installations.
Highly nail-tear and puncture resistant, this Monarperm Breathe is compatible with most typical roof substrate materials.
Please note:
Question:
What is the recommended overlap at 30 degrees pitch on slate roof?
Answer:
The overlap can vary based upon the roof structure (for example if you have valleys you'll need to extend over 300mm and you should leave an additional 150mm over the eaves), if you need to overlap another membrane, then it is reccomended to go between 100-30mm.
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