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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

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Rated 4.7 out of 5 by 56 reviewers.
  • 2016-07-26 T14:30:01.873-05:00
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Rated 5 out of 5 by roof felt bought this to put on the roof of my wood shed before I put a steel sheet over the top to stop any drips of water going on to the wood in the frost. 7 Jul 2016
Rated 5 out of 5 by What a great find! Building a workshop with corrugated roof and I wanted to lay a barrier down. I could tell the quality of the A1 Protect. water resistant, strong and easy to lay. Finished laying at 9 pm, ready to do corrugated steel in morning. Heavy rain storms during night and it withstood the test. Definitely buy again. 5 Jul 2016
Rated 3 out of 5 by Excellent roof sheet Good quality easy to use and does the job What else can you ask for 17 May 2016
Rated 4 out of 5 by Good value Used as an underlay for a shingle roof on my new log cabin. Quick and easy to fix and made the cabin watertight immediately. 15 Apr 2016
  • 2016-07-26 T14:30:01.873-05:00
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  • co_hasreviews, tv_56, tr_56
  • loc_en_US, sid_31617, prod, sort_default
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5 Questions  4 Answers

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14 Jun 2016
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Newcastle Upon Tyne
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Answer: 
Hello Dikka,

I have checked with the manufacturer and the writing should be facing outward as the blank side is absorbent to prevent condensation.

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15 Jun 2016
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Yeovil
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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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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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Answer: 
Just rang the manufacturer - to answer my own question, yes it is.
3 May 2016
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Petersfield
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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