Don & Low Multi TX Solar - Roofing Underlay
Verified by manufacturer 28 days ago
High vapour resistance air and liquid barrier for roofs with integrated solar PV.
Application
For pitched roofs with integrated solar PV.
Description
MultiTX® Solar is a high vapour resistance air and liquid barrier roofing underlay. It is durable, clean, easy to cut and install, and offers temporary protection against wind-driven rain, snow and dust. MultiTX® Solar conforms to the Construction Products Regulation (EU Regulation No. 305/2011), underlay for discontinuous roofing (Annex ZA of EN 13859-1) and is manufactured under control of an ISO 9001 quality management system.
Features and benefits:
- A modern alternative to traditional bituminous-based (type 1F) roofing felts.
- Removes the need for a ventilated counter batten space. Helps to comply with Building Regulations Part L, Future Homes Standards and NHBC.
- Resistant to water penetration and stabilised against UV degradation.
- Helps to meet BS 5250 ventilation requirements when used with high and low-level ventilation.
General information
Color | Black |
Finish | Other |
Material | Polypropylene |
Shape | Rectangle |
Length | 50000 mm |
Width | 1000 mm |
Warranty description | Other |
Uniclass | |
CAWS | H67/5 Metal roof tiling H67/110 Metal roof tiling H65/5 Roof tiling H65/135 Ceramic slate roof tiling H65/125 Reconstituted slate roof tiling H65/115 Concrete roof tiling H65/105 Clay roof tiling H65/10 Reconstituted slate roof tiling H64/110 Wood shingle/ shake roofing H64/10 Wood shingle/ shake roofing H62/3 Roof slating H62/145 Roof slating H62/125 Roof slating H62/105 Roof slating H61/5 Roof slating H61/105 Roof slating H60/3 Roof tiling H60/120 Concrete roof tiling H60/105 Clay roof tiling |
Specification data - Plastics sheets
Material | Polypropylene. |
Purpose | Vapour and air barrier. |
Standard | To EN 13859-1. |
Performance characteristics | |
Tensile strength (minimum) | To EN 12311-1 before ageing, 290 N/50 mm (MD); 220 N/50 mm (CD). |
Tear resistance | To EN 12310-1, 230 N (MD); 250 N (CD). |
Elongation to break | To EN 12311-1 before ageing, 70% (MD); 100% (CD). |
Water vapour resistance (minimum) | To EN 1931, 15 m (Sd) (+/- 2). |
Fire performance | To EN 11925-2, Class F. |
Physical properties | |
Colour | Black. |
Weight (minimum) | 145 g/m². |
Class (minimum) | W1. Guidance for specification option: Water penetration to EN 1928. |
Sustainability data
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Polypropylene |
Manufacturing plant location | |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 20 % |
Literature
Multi TX Solar Datasheet Issue 2 - May 24