Skip to content
📞 Speak to an Expert: 01629 732988 📩 Big Job Coming Up?: Email Us 🛒 Click and Collect 👷 My account 🤝 Start Earning Points

Bitumen

High-performance bitumen blocks and bitumen-based shed felts, engineered to provide superior, long-lasting waterproofing and protection for your roofing projects.
Whether you're bonding traditional felt or tanking a foundation, these blocks provide a heavy-duty, puncture-resistant barrier that survives the toughest climates. The reason Bitumen is used in shed felts is due to it being a reliable, professional-grade solution perfect for both trade professionals and DIY enthusiasts, ensuring your garden buildings, garages, and foundations are protected against the elements.

    Filters

    £
    £
    An image of a roll of Supaflex Economy Shed felt with a Green, Orange and white striped wrapper.
    £0.00 - £0.00
    £0.00
    £16.08 - £35.72
    £16.08 - £35.72
    £16.08

    Supaflex Economy Shed Felt

    Supaflex
    48 Available

    Supaflex™ Economy Grade Shed Felt Supaflex™ is a reliable and reputable Shed Felt Brand that is specifically designed to protect your shed from eve...

    View full details
    £0.00 - £0.00
    £0.00
    £16.08 - £35.72
    £16.08 - £35.72
    £16.08
    An image of Supaflex Standard Shed Felt.
    £0.00 - £0.00
    £0.00
    £15.35 - £19.54
    £15.35 - £19.54
    £15.35

    Supaflex Standard Grade Polyester Reinforced Shed Felt - 5m - Green

    Supaflex
    108 Available

    Supaflex Standard Grade Polyester Reinforced Shed Felt - 5m - Green Supaflex Standard Grade Shed Felt is a traditional Polyester Reinforced based b...

    View full details
    £0.00 - £0.00
    £0.00
    £15.35 - £19.54
    £15.35 - £19.54
    £15.35
    An image of Supaflex Premier Underlay
    £33.60 - £33.60
    £33.60
    £33.60 - £33.60
    £33.60

    Supaflex Premier Heavy Duty Underlay 8m x 1m

    Supaflex
    17 Available

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

    View full details
    £33.60 - £33.60
    £33.60
    £33.60 - £33.60
    £33.60
    An image of Supaflex Economy Underlay in a 10m x 1m roll
    £27.55 - £27.55
    £27.55
    £27.55 - £27.55
    £27.55

    Supaflex Economy Underlay 10m x 1m

    Supaflex
    36 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 ...

    View full details
    £27.55 - £27.55
    £27.55
    £27.55 - £27.55
    £27.55
    Supaflex Standard SBS Torch on Underlay 16m x 1m
    £0.00 - £0.00
    £0.00
    £48.18
    £48.18 - £48.18
    £48.18

    Supaflex Standard SBS Torch on Underlay 16m x 1m

    Supaflex
    25 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...

    View full details
    £0.00 - £0.00
    £0.00
    £48.18
    £48.18 - £48.18
    £48.18
    Supaflex Standard SBS Torch on Green 8m x 1m
    £0.00 - £0.00
    £0.00
    £48.18
    £48.18 - £48.18
    £48.18

    Supaflex Standard SBS Torch on Capsheet Green 8m x 1m

    Supaflex
    32 Available

    Supaflex Standard SBS Torch on Capsheet Green 8m x 1m Supaflex Torch On Capsheet is a polyester based SBS modified bitumen torch on membrane. Supaf...

    View full details
    £0.00 - £0.00
    £0.00
    £48.18
    £48.18 - £48.18
    £48.18
    Copyright 2026 © Ashbrook Roofing Supplies Ltd | Company Registration Number: 4549398 | VAT Number: 419721937

    Compare products

    {"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

    Select first item to compare

    Select second item to compare

    Select third item to compare

    Compare