Don & Low Roofshield - Roofing Underlay
Verified by manufacturer 3 months ago
Low-resistance vapour and air-permeable roofing underlay for tiled or slated roofs.
Application
Pitched roofing underlay applications.
Description
Roofshield® is a very low-resistance vapour and air-permeable roofing underlay. It is strong,
durable and flexible allowing for easy installation, and offers temporary protection against wind-driven
rain, snow and dust. Roofshield® 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:
- Vapour permeability.
- BBA certification.
- Air permeability.
- NHBC acceptance.
- Uniform airflow.
- No vapour control layer (VCL) required.
- Water resistance.
- BS 5534 compliance.
General information
Color | Green |
Finish | Other |
Material | Polypropylene |
Shape | Rectangle |
Length | 50000 mm 100000 mm |
Width | 1000 mm 1500 mm |
Height | 0.90 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 H60/3 Roof tiling H60/120 Concrete roof tiling H60/105 Clay roof tiling |
Specification data - Vapour-permeable sheets
Standard | To EN 13859-1. |
Third-party certification | British Board of Agrément (BBA) certificate.Guidance for specification option: Certificate no. 96/3220 and 99/3648. |
Performance criteria | |
Water vapour properties | Water vapour resistance to EN ISO 12572; 0.011 m (+/- 0.005). |
Fire performance | Reaction to fire: To EN 13501-1, Class E. |
Tensile properties | Tensile strength in longitudinal direction: before artificial ageing: 390 N/50 mm, after artificial ageing: 330 N/50 mm. |
Class (minimum) | W1. |
Material | Polypropylene. |
Form | Spun-bonded. |
Weight (minimum) | To EN 1849-2, 185 g/m² (+/- 10). |
Thickness (minimum) | 0.75 mm. |
Elongation | To EN 12311-1, (MD/CD): 55/75% (before ageing); 40/60% (after ageing). |
Flexibility at low temperature | To EN 1109, No cracking at -60ºC. |
Tear resistance | To EN 12310-1, (MD) 230 N; (CD) 275 N. |
Air permeability | To EN 12114, ≥34.4 m³/m²/hr (50 Pa). |
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
Roofshield Data Sheet Issue 9 - Feb 2024
Roofshield® Flyer