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Don & Low

 
 
 
Suitability Cold roofs
Warm roofs
Product accreditation BBA certified
Tensile strength (N/5cm) Before ageing: MD 390 N (- 80 N), CD 230 N (- 60 N); after ageing: MD 330 N (- 80 N), CD 190 N (- 60 N)
Roll size (w x l) 50m x 1.0m
 
 
 

Roofshield®, launched in 1996, is a unique, three-layer, polypropylene spunbond nonwoven, with a patented Meltblown core.

Designed specifically as a low resistance (LR), vapour and air permeable roofing underlay, Roofshield® allows the passage of moisture to significantly reduce the incidence of interstitial condensation in pitched roofs.

In cold pitched roofs, when Roofshield® is installed there’s no need to ventilate the roof space, as the vapour and air permeability allows moisture to diffuse through the underlay. Roofshield® is also Agrement certified by BBA in the UK for use in unventilated cold and warm pitched roofs, which makes the product suitable for fully supported or unsupported roofing applications and can also be used in conventional ventilated roof construction.

In line with guidelines and a statement issued by the NHBC, independently certified air and vapour permeable underlays can be used without additional ridge ventilation in both cold and warm roofs. The use of Roofshield® vapour and air permeable membrane leads to savings in both labour and material costs.

Roofshield® provides a superior secondary barrier for roofs to protect against the ingress of rain, wind and snow, providing the most cost-effective solution to controlling interstitial condensation in a pitched roof.

In the UK and Republic of Ireland this product is distributed by A Proctor Group.

Benefits

  • Low vapour resistance
  • Air permeable
  • Eliminates low- and high-level ventilation
  • No vapour control layer required
  • Protects against wind-driven rain, snow and dust

Main applications

  • Roofing membranes
  • Vapour permeable underlays


Roofshield®, launched in 1996, is a unique, three-layer, polypropylene spunbond nonwoven, with a patented Meltblown core.

Designed specifically as a low resistance (LR), vapour and air permeable roofing underlay, Roofshield® allows the passage of moisture to significantly reduce the incidence of interstitial condensation in pitched roofs.

In cold pitched roofs, when Roofshield® is installed there’s no need to ventilate the roof space, as the vapour and air permeability allows moisture to diffuse through the underlay. Roofshield® is also Agrement certified by BBA in the UK for use in unventilated cold and warm pitched roofs, which makes the product suitable for fully supported or unsupported roofing applications and can also be used in conventional ventilated roof construction.

In line with guidelines and a statement issued by the NHBC, independently certified air and vapour permeable underlays can be used without additional ridge ventilation in both cold and warm roofs. The use of Roofshield® vapour and air permeable membrane leads to savings in both labour and material costs.

Roofshield® provides a superior secondary barrier for roofs to protect against the ingress of rain, wind and snow, providing the most cost-effective solution to controlling interstitial condensation in a pitched roof.

In the UK and Republic of Ireland this product is distributed by A Proctor Group.

Benefits

  • Low vapour resistance
  • Air permeable
  • Eliminates low- and high-level ventilation
  • No vapour control layer required
  • Protects against wind-driven rain, snow and dust

Main applications

  • Roofing membranes
  • Vapour permeable underlays


 
 
 
Downloads
  • Roofshield® Roll Insert
    Roofshield® Roll Insert
    2pp 394.62KB
    Download
  • Roofshield® tech data
    Roofshield® tech data
    1pp 143.92KB
    Download
  • Roofshield® user guide
    Roofshield® user guide
    2pp 2.13MB
    Download
  • Specified textiles for the construction industry
    Specified textiles for the construction industry
    8pp 2.75MB
    Download


Also by Don & Low

Don & Low address and contact details

Don & Low Ltd
Newfordpark House
Glamis Road
Forfar
DD8 1FR
Tel: 01307 452200
Fax: 01307 452300
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Roofshield® vapour and air permeable roofing underlay Edit subject line