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Protect A1 Roofing Underlay 1 x 15m (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. BRE and Wimlas certified.

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

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£14.99INC VAT
Was £18.99 Save £4.00 (21%)

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Rated 4.5 out of 5 by 22 reviewers.
  • 2016-05-30 T10:54:18.107-05:00
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Rated 5 out of 5 by underlay Excellent product. Would recommend. I have used Plumbfix and Screwfix products and service for many years and I've always been satisfied. 26 Jan 2016
Rated 5 out of 5 by lightweight felt excellent buy Easy to cut very strong and lightweight, value for money 11 Oct 2015
Rated 5 out of 5 by just what i needed i needed a liner for my metal shed,this seemed to be the best option as i was trying to get rid of the dreadful condensation problem i had.it is easy to cut,does not rip and by using builders double backed tape (also from screwfix) it adhered easily to the metal.this has transformed my shed from a damp metal box into a dry workshop,an excellent product. 12 Sep 2015
Rated 3 out of 5 by Good but short Great product at a great price. The only down side was that I needed 15 meters and it measured 14m 80cm. 22 Jun 2015
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4 Questions  3 Answers

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Is this product suitable as an underlay for felt shingles on an OSB3 shed roof construction?
30 Apr 2016
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Petersfield
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Just rang the manufacturer - to answer my own question, yes it is.
3 May 2016
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Petersfield
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Answer: 
Hi jlmacd,

Yes this product would be suitable.

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4 May 2016
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Yeovil
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Can I use this to patch in tears in house roof felt, if so, can I stick it down with an adhesive?
10 Jan 2016
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Romford
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Answer: 
Hi Ancientreg,

This product is not designed for long periods of exposure to the elements and you would likely get a better result from using roof felt.

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21 Apr 2016
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Yeovil
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4 Sep 2015
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leamington spa
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Is this underlay suitable for putting under Valley Troughs 49205?
24 Aug 2015
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Atherstone
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Specification
Pack Size 1
Pieces in Pack/Case 1
Product Length 15 m
Product Type Protect A1 Roofing Underlay
Product Width 1 m
Total Product Weight 2.295 kg