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Roofing Felt Underlay

Shed roof felt underlay provides crucial waterproofing and durability for non-habitable garden buildings, with options including traditional felt, polyester-reinforced membranes, torch on and self adhesive The choice depends on factors like roof pitch, budget, and desired lifespan.

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An image of Supaflex Premier Underlay Save 10% Save %
£33.60
£33.60 - £33.60
£33.60
£30.24
£30.24 - £30.24
£30.24

Supaflex Premier Heavy Duty Underlay 8m x 1m

Supaflex
16 Available

Supaflex Premier Heavy Duty Underlay 8m x 1m High-performance, heavy duty, polyester based bitumen membrane, perfect for use with shingles and shed...

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£33.60
£33.60 - £33.60
£33.60
£30.24
£30.24 - £30.24
£30.24
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An image of Supaflex Economy Underlay in a 10m x 1m roll Save 10% Save %
£27.55
£27.55 - £27.55
£27.55
£24.80
£24.80 - £24.80
£24.80

Supaflex Economy Underlay 10m x 1m

Supaflex
22 Available

Supaflex™ Economy Underlay 10m x 1m Economy based underlay, perfect for use with shingles and shed felt on a variety of outside buildings. It is a ...

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£27.55
£27.55 - £27.55
£27.55
£24.80
£24.80 - £24.80
£24.80
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An image of IKO Easyseal Fully Bonded Self-Adhesive underlay in an 8m roll Save 10% Save %
£77.76
£77.76 - £77.76
£77.76
£69.98
£69.98 - £69.98
£69.98

IKO Easyseal Self Adhesive Roofing Felt Underlay: 8m x 1m

IKO
Only 2 left!

IKO Easyseal Self-Adhesive Fully Bonded Roofing Felt Underlay (8m x 1m) IKO Easyseal Self-Adhesive Fully Bonded Underlay is used for main roof area...

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£77.76
£77.76 - £77.76
£77.76
£69.98
£69.98 - £69.98
£69.98
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Supaflex Standard SBS Torch on Underlay 16m x 1m Save 10% Save %
£48.18
£48.18 - £48.18
£48.18
£43.36
£43.36 - £43.36
£43.36

Supaflex Standard SBS Torch on Underlay 16m x 1m

Supaflex
19 Available

Supaflex Standard SBS Torch on Underlay 16m x 1m Supaflex Torch On Underlay is a polyester based SBS modified bitumen torch on membrane. Type of ap...

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£48.18
£48.18 - £48.18
£48.18
£43.36
£43.36 - £43.36
£43.36
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An image of IKO Felt Shingle Underlay 3B: 20m x 1m in a 20m x 1m roll
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£54.72
£54.72 - £54.72
£54.72
£49.25
£49.25 - £49.25
£49.25

IKO Felt Shingle Underlay 3B: 20m x 1m

IKO
Only 1 left!

IKO Felt Shingle Underlay 3B: 20m x 1m IKO Felt Shingle Underlay 3B, 20m x 1m is an economical, multipurpose roofing felt which can be used either ...

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£54.72
£54.72 - £54.72
£54.72
£49.25
£49.25 - £49.25
£49.25
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Supaflex Standard SBS Torch on Underlay 16m x 1m
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£1,469.82
£1,469.82 - £1,469.82
£1,469.82
£1,322.84
£1,322.84 - £1,322.84
£1,322.84

Pallet of Supaflex Standard SBS Torch on Underlay 16m x 1m

Supaflex
Available

Pallet of Supaflex Standard SBS Torch on Underlay 16m x 1m This is sold in Pallet Quantities.For single rolls visit: Supaflex Standard SBS Torch on...

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£1,469.82
£1,469.82 - £1,469.82
£1,469.82
£1,322.84
£1,322.84 - £1,322.84
£1,322.84
Save 10% Save %
An image of Supaflex Premier Underlay
Save 10% Save %
£1,368.85
£1,368.85 - £1,368.85
£1,368.85
£1,231.97
£1,231.97 - £1,231.97
£1,231.97

Pallet of Supaflex Premier Underlay 8m x 1m

Supaflex
Available

Supaflex Premier Underlay 8m x 1m - 42 Rolls This is sold in Pallet Quantities.For single rolls visit: Supaflex Premier Underlay High-performance, ...

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£1,368.85
£1,368.85 - £1,368.85
£1,368.85
£1,231.97
£1,231.97 - £1,231.97
£1,231.97
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Supaflex Standard Underlay 10m x 1m
Save 10% Save %
£1,266.49
£1,266.49 - £1,266.49
£1,266.49
£1,139.84
£1,139.84 - £1,139.84
£1,139.84

Pallet of Supaflex Standard Underlay 10m x 1m

Supaflex
Available

Supaflex Standard Underlay 10m x 1m - 42 Rolls This is sold in Pallet Quantities.For single rolls visit: Supaflex Economy Underlay Supaflex Standar...

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£1,266.49
£1,266.49 - £1,266.49
£1,266.49
£1,139.84
£1,139.84 - £1,139.84
£1,139.84
Save 10% Save %
An image of Supaflex Economy Underlay in a 10m x 1m roll
Save 10% Save %
£1,298.54
£1,298.54 - £1,298.54
£1,298.54
£1,168.69
£1,168.69 - £1,168.69
£1,168.69

Pallet of Supaflex Economy Underlay 10m x 1m

Supaflex
Available

Pallet of Supaflex Economy Underlay 10m x 1m - 48 Rolls This is sold in Pallet Quantities.For single rolls visit: Supaflex Economy Underlay Economy...

View full details
£1,298.54
£1,298.54 - £1,298.54
£1,298.54
£1,168.69
£1,168.69 - £1,168.69
£1,168.69
Save 10% Save %

Stay connected with us

Address
Ashbrook Roofing Supplies, Harrison Way, Matlock, Derbyshire, DE4 2LF

Email
sales@ashbrookroofing.co.uk

Phone
01629 732988

Order Online
24/7 hours a day

Contact Us
Copyright 2026 © Ashbrook Roofing Supplies Ltd | Company Registration Number: 4549398 | VAT Number: 419721937

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