Advantages Waterproof to over 7m head of water. High tensile strength and puncture resistance. UV stable. Lightweight and easy to handle. Unaffected by rot or fungal attack. Non-tenting – can be laid directly over insulation boards. Stable across a wide temperature range.

Exceptional high performance premium vapour permeable breather membrane for warm or cold pitched roofs, eliminating the need for traditional eaves / ridge ventilation.  

 

Product Availability

Product Code	Description	Roll Size	Roll Weight
3004728	Monarperm 700	50m x 1m	7kg
3002750	Monarperm 700	50m x 1.5m	10.5kg

 

Product Data and Performance

Product Data
Surface finish:	Blue surface, anthracite underside
Material thickness:	0.6mm

 

Performance Data
Water resistance:	7.31m head of water
Water vapour transmission:	1196g/m2 – 24 hours (to BS3177)
Water vapour resistance:	0.17MN/s/g1
Tensile strength:	MD – 230N/50mm TD – 160N/50mm
Nail tear strength:	MD – 87N TD – 85N
UV resistance:	2 months