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Weatherproofing

Protect your building from the elements with our comprehensive range of weatherproofing products. Designed to defend against rain, wind, moisture and condensation, our solutions help improve the durability, energy efficiency and lifespan of residential, commercial and industrial buildings.

Whether you're working on a new build, extension, roofing project or renovation, our weatherproofing range includes essential products for creating a resilient building envelope. From damp proof membranes and breather membranes to flashing and vapour control layers, we supply high-quality materials trusted by builders, roofers and contractors.

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Black Shed Roofing Felt 10m x 1m

Black Shed Roofing Felt 10m x 1m provides a practical weatherproof covering for sheds, summerhouses, kennels and other garden buildings. Ideal for new roofs and replacing worn or damaged shed felt.

£53.35 incl Vat

Cromar Vent 3 Blue Breathable Roofing Membrane 1.5m x 50m

Cromar Vent 3 Blue is a breathable roofing membrane supplied in a 1.5m x 50m roll for use as a pitched roof underlay beneath tiles and slates.

£120.19 incl Vat

Cromar Vent 3 Blue Breathable Roofing Membrane 1m x 50m

Cromar Vent 3 Blue is a breathable roofing membrane supplied in a 1m x 50m roll for use as a pitched roof underlay beneath tiles and slates.

£78.92 incl Vat

Cromar Vent3 Pro Green Breathable Roofing Membrane 50m x 1

Cromar Vent3 Pro Green is a breathable roofing membrane designed for use in pitched roof applications. Supplied as a 50m x 1m roll, this lightweight roof underlay provides a protective secondary barrier beneath tiles and slates while allowing water vapour to escape, helping to control condensation within the roof space.

£104.81 incl Vat

Cromar Vent3 Pro Green Breathable Roofing Membrane 50m x 1.5m

Cromar Vent3 Pro Green is a breathable roofing membrane for pitched roof applications, providing a protective secondary barrier beneath tiles and slates. Supplied in a 50m x 1.5m roll, the vapour-permeable roof underlay allows moisture vapour to escape while helping protect the roof structure from wind-driven rain, snow and dust.

£164.97 incl Vat

Deflector Torch-On Roofing Underlay Felt 16m x 1m

Deflector Torch-On Roofing Underlay Felt 16m x 1m is designed for use as an underlay layer in compatible torch-applied flat roofing systems. Suitable for professional roofing installations and refurbishment projects, this 16m² roll provides a practical base layer beneath a compatible roofing cap sheet.

£76.00 incl Vat

Eaves Protection Felt Support Tray 1.5m

Eaves Protection Tray 1.5m provides additional support for roofing underlay at the eaves, helping direct rainwater safely into the gutter and protecting the roof edge from moisture damage. Suitable for pitched roof installations, it provides a durable solution for new build, refurbishment and roof repair projects.

£2.48 incl Vat

Evo-Stik Black Flasband Primer SV 1L

Evo-Stik Flashband Primer SV Black 1L is a fast-drying, solvent-based bitumen primer designed to improve adhesion before applying Flashband self-adhesive flashing tape. Ideal for preparing porous, rough or dusty surfaces, including brickwork, concrete, timber and roofing materials. Suitable for roofing repairs, flashing installations and weatherproofing projects.

£22.55 incl Vat

Evo-Stik Black Flasband Primer SV 500ml

Evo-Stik Flashband Primer SV 500ml is a fast-drying, solvent-based bitumen primer designed to improve adhesion before applying Flashband self-adhesive flashing tape. Ideal for preparing porous, rough or dusty surfaces, including roofing materials, brickwork, concrete and timber. Suitable for roofing repairs and weatherproofing projects in cold or damp conditions.

£13.39 incl Vat

Evo-Stik Grey Flashband Tape Self Adhesive

Flashband is a high-performance self-adhesive flashing tape designed to create an immediate, long-lasting watertight seal. Easy to apply with simple hand pressure, it requires no specialist tools for cutting, shaping, or installation. Suitable for use on a wide range of building materials, Flashband adheres securely to brick, masonry, slate, concrete roof tiles, timber, metal, roofing felt, glass, rigid plastics, terracotta tiles, and more.

From £13.89 incl Vat

Green Shed Roofing Felt 10m x 1m

Green Shed Roofing Felt 10m x 1m provides a practical weatherproof covering for sheds, summerhouses and other garden buildings. Ideal for new roofs and replacing worn or damaged shed felt.

£53.35 incl Vat

IKO Hyload 2000SA Self Adhesive Tanking Membrane 15m x 1m

IKO Hyload 2000SA is a self-adhesive bituminous tanking membrane for damp proofing and structural waterproofing applications. Supplied in a 15m x 1m roll with 15m² gross coverage.

£215.57 incl Vat

Permavent GRAPHITE Breathable Roofing Membrane 130gsm 50m x 1m

Permavent GRAPHITE 130gsm Breathable Roofing Membrane is a vapour-permeable roofing underlay designed for pitched roofs, providing a secondary weather barrier beneath tiles and slates. Featuring W1 water resistance, high tensile strength and integrated lap tape, this 50m x 1m roll offers 50m² of nominal coverage. Suitable for new builds, renovations and professional roofing projects.

£74.54 incl Vat

Picture of Prosolve Radon Butyl Tape 10x50mm Double Sided

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