12
£1,001.83
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 360mm x 3m 1 × £76.46
  • × This image displays the product which is a Timloc 1205 Underfloor Vent Duct Adapter to Suit 110mm, it also includes the technical information as it's a technical diagram.Timloc 1205 Underfloor Vent Horizontal Duct Adapter - 110mm 1 × £7.49
  • × This image displays the front of the product which is a Everbuild Black Jack 905 All Weather Roof Coating – 5 LitreEverbuild Black Jack 905 All Weather Roof Coating – 5 Litre 1 × £24.99
  • × FloPlast Half Round Internal Stop End, Brown – 112mmFloPlast Half Round Internal Stop End, Brown – 112mm 1 × £3.99
  • × OX Pro Chalk Refill, White – 226gOX Pro Chalk Refill, White – 226g 1 × £7.99
  • × code 4 lead flashing 390mm x 3mCode 4 Cast Lead - 800mm x 3m 1 × £139.94
  • × OX Pro Heavy Duty Wrecking Bar - 24"OX Pro Heavy Duty Wrecking Bar - 24" 1 × £15.99
  • × Bond It Power Proof Concentrated Waterproof Render Admixture - 1 LitreBond It Power Proof Concentrated Waterproof Render Admixture - 1 Litre 1 × £11.99
  • × This image displays the front of the product which is a Everbuild Firefoam B2 Gun Grade - Pink 750mlEverbuild Firefoam B2 Gun Grade - Pink 750ml 1 × £12.99
  • × Timloc Universal Slate Roof Vent PVC Pipe OnlyTimloc Universal Slate Roof Vent PVC Pipe Only 1 × £6.99
  • × FloPlast Square Fascia Bracket, Black – 114mmFloPlast Square Fascia Bracket Black – 114mm 1 × £1.99
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 1600mm x 6m 1 × £691.01

Subtotal: £1,001.83

View basketCheckout

Bank Holiday Notice: Orders placed after 2:00 PM on Friday, August 23rd, will be shipped on Tuesday, August 27th.

12
£1,001.83
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 360mm x 3m 1 × £76.46
  • × This image displays the product which is a Timloc 1205 Underfloor Vent Duct Adapter to Suit 110mm, it also includes the technical information as it's a technical diagram.Timloc 1205 Underfloor Vent Horizontal Duct Adapter - 110mm 1 × £7.49
  • × This image displays the front of the product which is a Everbuild Black Jack 905 All Weather Roof Coating – 5 LitreEverbuild Black Jack 905 All Weather Roof Coating – 5 Litre 1 × £24.99
  • × FloPlast Half Round Internal Stop End, Brown – 112mmFloPlast Half Round Internal Stop End, Brown – 112mm 1 × £3.99
  • × OX Pro Chalk Refill, White – 226gOX Pro Chalk Refill, White – 226g 1 × £7.99
  • × code 4 lead flashing 390mm x 3mCode 4 Cast Lead - 800mm x 3m 1 × £139.94
  • × OX Pro Heavy Duty Wrecking Bar - 24"OX Pro Heavy Duty Wrecking Bar - 24" 1 × £15.99
  • × Bond It Power Proof Concentrated Waterproof Render Admixture - 1 LitreBond It Power Proof Concentrated Waterproof Render Admixture - 1 Litre 1 × £11.99
  • × This image displays the front of the product which is a Everbuild Firefoam B2 Gun Grade - Pink 750mlEverbuild Firefoam B2 Gun Grade - Pink 750ml 1 × £12.99
  • × Timloc Universal Slate Roof Vent PVC Pipe OnlyTimloc Universal Slate Roof Vent PVC Pipe Only 1 × £6.99
  • × FloPlast Square Fascia Bracket, Black – 114mmFloPlast Square Fascia Bracket Black – 114mm 1 × £1.99
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 1600mm x 6m 1 × £691.01

Subtotal: £1,001.83

View basketCheckout

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Delivery over £10*

Permavent Black Breather Membrane – 1m x 20m

Home Shop Roofing Felt Breather Membranes Permavent Black Breather Membrane – 1m x 20m
Product SKU: ftpvb20
£32.49incl VAT.
£27.08excl VAT.
In Stock

Permavent Black Breather Membrane – 1m x 20m use the very latest technology from the medical industry to encapsulate the highest grade hydrophobic film inside the very highest quality spun bond polypropylene layers.

Moreover, unlike other companies, who simply stick the different layers together, Permavent membranes are manufactured in a single process that greatly improves the quality and integrity of our membranes. Additionally, this 3 in 1 process means that Permavent offer the best performing breather membranes in their class with superior strength, breathability, flexibility and durability.

A highly competitive and robust roofing underlay, Permavent BLACK is a versatile vapour-permeable membrane that is also suitable for walling applications. An air-tight design solution, providing associated thermal benefits, whilst assisting with condensation risk in your project.

Measurements – 1m x 20m

Total Price
£32.49 Incl VAT
£27.08 Excl VAT

Keep your roof protected. Keep your home dry.
When the rain falls and the wind howls, you need a breather membrane you can trust. The Permavent Black Breather Membrane (1m x 20m) gives you reliable, all-weather protection for any roofing project.

Moisture build-up ruins insulation, damages timber, and shortens a roof’s life. That’s why smart roofers choose Permavent—a trusted name in breathable membrane technology. This roll creates a waterproof but breathable barrier that stops rain from entering while letting trapped moisture escape. The result? A drier, longer-lasting roof.

Each 20m roll offers enough coverage for smaller roofing areas, repairs, or extensions. It’s lightweight, tough, and simple to handle. No need for special tools or complex instructions. Just roll it out, fix it in place, and move on with confidence.

Perfect for professional tradesmen and DIYers alike. Permavent Black Breather Membrane – 1m x 20m
  • Waterproof yet breathable for year-round protection

  • Works with both cold and warm roofs

  • Ideal for repairs, small builds, and loft projects

  • Made from durable, UV-resistant material

  • Lightweight and easy to install

  • Trusted by roofers across the UK

  • Roll size: 1 metre x 20 metres

Additional information

Width

Datasheet

Product Information

Width

Datasheet

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