Monarperm 500
Monarperm 500 has been designed specifically to meet the performance requirements for a pitched roof underlay.
High performance economy vapour permeable membrane for warm or cold pitched roofs,
Features and benefits
- UV Stable and can be left exposed on site for up to two months
- Comprises a microporous film protected with durable non woven polypropylene on both sides
- Lightweight and easy to handle
- BBA and IAB certified for use in both warm and cold roof applications for both vented and unvented situations
- Waterproof to a 6m head of water
- Stable across a wide temperature range
- Strong and tear resistant
- Non "tenting" and may be laid directly onto insulation or boarding
Technical Details
| Roll Sizes |
1m x 50m; 1.5m x 50m |
| Colour |
grey upper; white lower |
| Thickness |
0.5mm |
| Weight |
120g/m² |
| Water Vapour Resistance |
0.16MNs/g |
| Water Vapour Transmission |
1252g/m² |
| Tensile Strength |
200N/5cm (1) ; 130N/5cm (2) |
| Head of Water |
6.48m |