NBS Source
I'm a manufacturer

Don & Low Roofshield - Roofing Underlay

Verified by manufacturer 2 months ago

Don & Low Ltd (Nonwovens)

Low-resistance vapour and air-permeable roofing underlay for tiled or slated roofs.

Jump to:
+44 (0)1307 452200 Website

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

Pr_25_57_10_94 Vapour-permeable sheetsPrimary

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.
Tensile strength in transverse direction: before artificial ageing: 230 N/50 mm, after artificial ageing: 190 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 content

As defined in clause 7.8 of BS EN ISO 14021

20 %

Literature

Roofshield Data Sheet Issue 9 - Feb 2024

Roofshield Data Sheet Issue 9 - Feb 2024

Roofshield® Flyer

Roofshield® Flyer

Similar products from Don & Low Ltd (Nonwovens)

Don & Low FloorTX FCM - Vapour Permeable Air Barrier

Don & Low Frameshield - Breather Membrane

Don & Low Frameshield - Breather Membrane

Don & Low FrameTX - Walling Membrane

Don & Low FrameTX Maxi - Breather Membrane

Don & Low MultiTX Plus - Roofing Underlay

Don & Low Roof TX Pro - Roofing Underlay

Don & Low Roof TX Pro - Roofing Underlay

Don & Low RoofTX 125 - Roofing Underlay

Don & Low RoofTX 125 - Roofing Underlay

Don & Low RoofTX Maxi - Roofing Underlay

Don & Low RoofTX Maxi - Roofing Underlay

Don & Low RoofTX Optima - Roofing Underlay

Don & Low RoofTX Optima - Roofing Underlay

Don & Low RoofTX Prime - Breather Membrane For Roofs And Walls

Don & Low RoofTX Prime - Breather Membrane For Roofs And Walls