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Don & Low Multi TX Maxi - Roofing Underlay
Verified by manufacturer 28 days ago
High vapour resistance air and liquid barrier underlay for pitched roofs.
Application
For pitched roofs.
Description
MultiTX® Maxi is a high vapour resistance air and liquid barrier roofing underlay. It is durable, clean, easy to cut and install, and offers excellent temporary protection against wind-driven rain, snow and dust. MultiTX® Maxi 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:
- Modern alternative to traditional bituminous-based (type 1F) roofing felts.
- Lightweight fabric minimises manual handling issues.
- Excellent low-temperature flexibility.
- Resistant to water penetration and stabilised against UV degradation.
General information
Color | Black |
Finish | Other |
Material | Polypropylene |
Shape | Rectangle |
Length | 50000 mm |
Width | 1000 mm |
Height | 0.7 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 |
SKU Code | BAB 190 |
Specification data - Plastics sheets
Classification data | |
Material | Polypropylene. |
Purpose | Vapour and air barrier. |
Standard | To EN 13859-1. |
Third-party certification | British Board of Agrément (BBA) certificate. Guidance for specification option: Certificate no. 05/4221. |
Performance characteristics | |
Tensile strength (minimum) | To EN 12311-1 before ageing, 400 N/50 mm (MD); 300 N/50 mm (CD). To EN 12311-1 after ageing, 280 N/50 mm (MD); 210 N/50 mm (CD). |
Tear resistance | To EN 12310-1, 300 N (MD); 400 N (CD). |
Elongation to break | To EN 12311-1 before ageing, 70% (MD); 100% (CD). To EN 12311-1 after ageing, 50% (MD); 80% (CD). |
Water vapour resistance (minimum) | To EN 1931, 15 m (Sd) (+/- 2). |
Fire performance | To EN 11925-2, Class F. |
Form | Spun-bonded. |
Physical properties | |
Colour | Black. |
Weight (minimum) | 190 g/m². |
Dimensions | |
Thickness (minimum) | 0.7 mm. |
Width (minimum) | 1 m. |
Roll length (minimum) | 50 m. |
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 |
Manufacturing plant location | |
Material | Polypropylene |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 20 % |
Literature
Literature type
Multi TX Maxi Datasheet Issue 2 - May 24
Multi TX Maxi Datasheet Issue 3 February 2025
Multi TX BBA Certificate 05-4221 Issue 7