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Roof Membranes

Roof membranes are an essential part of almost any roofing project. This is particularly the case if you're using metal or plastic roof tiles. This is as they aid ventilation and therefore prevent... Read More
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4.6


4,108 Reviews

Gold Trusted Service Award 2019


ExtraLight - Breathable Felt (1500mm x 50m)

ExtraLight - Breathable Felt (1500mm x 50m)

Estimated Delivery

Delivery 3-5 Days

£73.08 PRICE PER ITEM INC VAT View
Harcon NPU - 120g Non-Permeable Underlay - 1000mm x 45m

Harcon NPU - 120g Non-Permeable Underlay - 1000mm x 45m

Estimated Delivery

Delivery 3-7 Days

£26.18 PRICE PER ITEM INC VAT View
Envirotile - Envirolay (1x30m)

Envirotile - Envirolay (1x30m)

Estimated Delivery

Delivery 2-3 Weeks

£150.00 PRICE PER ITEM INC VAT View
Harcon VPU - 120g Vapour Permeable Underlay

Harcon VPU - 120g Vapour Permeable Underlay

Estimated Delivery

Delivery 3-7 Days

Custom Size

Multiple Sizes

Price From: £35.33 PRICE PER ITEM INC VAT View
Britmet - Pantile 2000 - Breather Membrane (1.5x50m)

Britmet - Pantile 2000 - Breather Membrane (1.5x50m)

Estimated Delivery

Delivery 7-14 Days

£58.75 PRICE PER ITEM INC VAT View
Britmet - Breather Membrane (1x50m)

Britmet - Breather Membrane (1x50m)

Estimated Delivery

Delivery 2-5 Days

£58.75 PRICE PER ITEM INC VAT View
Vapour Permeable Underlay 120g - 100m x 50m

Vapour Permeable Underlay 120g - 100m x 50m

Estimated Delivery

Delivery 3-7 Days

£35.33 PRICE PER ITEM INC VAT View
1.5Mx50M EASYTRIM FORTIS 160GSM FELT

1.5Mx50M EASYTRIM FORTIS 160GSM FELT

Estimated Delivery

Delivery 1-3 Days

£104.50 PRICE PER ITEM INC VAT View
Easy-trim - Breather Membrane Overlap Tape - 38mm x 50m

Easy-trim - Breather Membrane Overlap Tape - 38mm x 50m

Estimated Delivery

Delivery 1-3 Days

£17.74 PRICE PER ITEM INC VAT View
Easy-trim Vista - High Performance Felt Breather Membrane with Acrylic Taping - 162gsm - 1.0m X 50m

Easy-trim Vista - High Performance Felt Breather Membrane with Acrylic Taping - 162gsm - 1.0m X 50m

Estimated Delivery

Delivery 1-3 Days

£89.10 PRICE PER ITEM INC VAT View
Vapour Permeable Underlay 120g - 150m x 50m

Vapour Permeable Underlay 120g - 150m x 50m

Estimated Delivery

Delivery 3-7 Days

£52.26 PRICE PER ITEM INC VAT View
Easy-Trim Fortis Integrate - Heavyweight Felt Breather Membrane with Acrylic Taping - 165gsm

Easy-Trim Fortis Integrate - Heavyweight Felt Breather Membrane with Acrylic Taping - 165gsm

Estimated Delivery

Delivery 1-3 Days

£109.36 PRICE PER ITEM INC VAT View
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Common Questions

Buying roofing materials can be daunting, especially when ordering them online. With over 40 years of experience in roofing, however, we get asked lots of questions about our range of roof membranes. Here are some of the most common questions with answers for each!

Why Do I Need a Roof Membrane?

When using metal or plastic roof tiles, it is essential that your roof space is well ventilated. A failure to do so could result in moisture building up. This will impact the effectiveness of your loft insulation and, in severe cases, result in timber rotting.

Membranes protect your loft space by allowing water vapour to escape more easily. You will typically use this in partnership with ridge and eave vents for maximum air flow. Some roof membranes also prevent other roofing issues, such as tile uplift caused by severe winds.

Do I Use a Membrane with Roofing Sheets?

Yes, in some cases you may be required to use a breathable membrane with roofing sheets. This is particularly the case on larger projects, such as a home or office. Simply refer to the manufacturer’s guide, which will often recommend the most suitable membrane for that particular roofing sheet.

Can I Use a Roof Membrane on a Boarded Loft Space?

Yes, membranes can be used on both rafters and boarded roofs. This is as moisture can build up on both roof types when metal or plastic roof tiles are used.  Simply ensure that you refer to the manufacturer’s guide, as installation methods may vary on different roof types.

How Else Can I Ventilate My Roof?

As outlined in our guide to roof ventilation, there are numerous ways you can improve the ventilation of your loft space. This is primarily through the use of a breathable membrane and eave vents. In some circumstances, you may also benefit from the use of ridge ventilation.

Have More Questions?

If you have more questions about our roof membranes, speak to our team online or by telephone. With 40 years of experience in roofing, we’ll help answer your questions and will ensure you have everything you’ll need to complete your roofing project.

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