Don & Low Multi TX Solar - Roofing Underlay
Verified by manufacturer 2 months 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