Protect Protect A1 Roofing Underlay 1 x 15m Product Code: 31617

Impermeable roofing underlay offering major benefits over traditional bitumen and reinforced plastic felts. Twin-ply construction of polypropylene non-woven spunbound layer and PP film. Unaffected by temperature change. Absorbent undersurface prevents condensation drip-off. Lightweight, easy to cut and install. Can be used in all pitched roof constructions, whether insulation is at ceiling joist or rafter level or as a temporary cover for up to 3 months.


  • Weight: 145g/m²
  • Non-Permeable ‘3rd Generation’ Underlay
  • Suitable for all Pitched Roof Constructions
  • Waterproof & Wind-Tight


EN 13859.
Additional Information
Technical Specification
  • Brand : Protect
  • Product Length : 15 m
  • Product Type : Protect A1 Roofing Underlay
  • Product Width : 1 m
  • Pack Size : 1
  • Manufacturer Guarantee : 1 Year Guarantee
  • Pieces in Pack/Case : 1
  • CE Standard (Tested to EN...) : EN 13859.
Product Contents
Delivery & Returns


Standard delivery service up to 3 working days: €8.95

Free delivery on all orders over €70.00

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Hopefully you won't need to return an item, however, if you do, it is our aim to make this as simple as possible. By following the guidance below you can help us to help you when a product is not what you expected, or is faulty. Your statutory rights are not affected by this guidance.


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€19.95 Incl. 23% VAT

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Protect Protect A1 Roofing Underlay 1 x 15m is rated 4.6 out of 5 by 64.
Rated 5 out of 5 by from roofing felt This is a good price for the amount of felt. Was easy to use and flexible and light.
Date published: 2018-02-12
Rated 4 out of 5 by from Better than felt A good product which is so much easier to install than roofing felt, and should last longer.
Date published: 2018-02-06
Rated 5 out of 5 by from Real Deal Great product at a great price. Light but robust and easy to work with. Repaired old felt on a first floor extension.
Date published: 2017-10-15
Rated 5 out of 5 by from Fantastic Lovely roofing fabric , great quality and robust , easy to work with and far better than any of the mineral shed felts , doesn’t rip easily or fall apart . A bit slippery to walk up before the batten is secured ! Excellent size of roll for a good price
Date published: 2017-10-10
Rated 4 out of 5 by from Good underlay Very good product for the price easy to work with would buy again
Date published: 2017-09-20
Rated 5 out of 5 by from Very good for the price Very easy to work with and clean to use. A good product at a very good price.
Date published: 2017-09-08
Rated 5 out of 5 by from Roof underlay Excellent product good value easy to work with thanks
Date published: 2017-09-07
Rated 4 out of 5 by from NON BREATHABLE!!!! Just had building control guy in and because is non breathable, now I have to look and install 4 tile vents. Pain in the butt that could be easy avoided.
Date published: 2017-08-24
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