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Damp Proofing & Membranes

Damp proof membranes protect insulation, roofs, and timber structures from damp damage. Explore our DPM range to protect against rot and mould.

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Visqueen 300mu Damp Proof Membrane 25 x 4m Black

Visqueen 300mu Damp Proof Membrane 25 x 4m Black FNPYF203
£84.01 inc VAT Each
£3.36  per metre
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Visqueen 250mu Damp Proof Membrane Handypack 4 x 5m Black

Visqueen 250mu Damp Proof Membrane Handypack 4 x 5m Black FNPYF209
£34.40 inc VAT Each
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Visqueen Polyethylene Damp Proof Course 30m x 450 x 0.5mm

Visqueen Polyethylene Damp Proof Course 30m x 450 x 0.5mm FNPYDP56
£23.58 inc VAT Each
£0.79  per metre
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Timloc InvisiWeep Vent 102 x 65 x 10mm Buff

Timloc InvisiWeep Vent 102 x 65 x 10mm Buff TLIW50BU
£0.34 inc VAT Each
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Timloc InvisiWeep Vent 102 x 65 x 10mm Clear

Timloc InvisiWeep Vent 102 x 65 x 10mm Clear TLIW50CL
£0.34 inc VAT Each
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Visqueen Zedex CPT High Performance DPC 20m x 100mm Black

Visqueen Zedex CPT High Performance DPC 20m x 100mm Black FNPYDP61
£22.61 inc VAT Each
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Visqueen Polyethylene Damp Proof Course 30m x 300 x 0.5mm

Visqueen Polyethylene Damp Proof Course 30m x 300 x 0.5mm FNPYDP54
£25.49 inc VAT Each
£0.85  per metre
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Visqueen Polyethylene Damp Proof Course 30m x 100 x 0.5mm

Visqueen Polyethylene Damp Proof Course 30m x 100 x 0.5mm FNPYDP50
£6.12 inc VAT Each
£0.20  per metre
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Visqueen Zedex Housing Grade DPC 20m x 150 x 0.6mm Black

Visqueen Zedex Housing Grade DPC 20m x 150 x 0.6mm Black FNPYDP80
£16.03 inc VAT Each
£5.34  per square metre
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Timloc Felt Support Tray 600mm L Black

Timloc Felt Support Tray 600mm L Black RFVTC321
£2.76 inc VAT Each
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Visqueen Polyethylene Damp Proof Course 337.50mm x 30m Black

Visqueen Polyethylene Damp Proof Course 337.50mm x 30m Black FNPYDP55
£28.33 inc VAT Each
£0.94  per metre
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Visqueen Vapour Check Control Layer 50 x 4m Green

Visqueen Vapour Check Control Layer 50 x 4m Green FNPYF029
£205.42 inc VAT Each
£1.03  per square metre
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Visqueen Urban Drainage Geomembrane 4 x 12.5m Black

Visqueen Urban Drainage Geomembrane 4 x 12.5m Black FNPYF605
£243.90 inc VAT Each
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Visqueen Zedex CPT High Performance DPC 20m x 600 x 0.6mm Black

Visqueen Zedex CPT High Performance DPC 20m x 600 x 0.6mm Black FNPYDP83
£63.34 inc VAT Each
£5.28  per square metre
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Frameshield BM 100G 2700mm x 100m Grey

Frameshield BM 100G 2700mm x 100m Grey FNPF1027
£616.26 inc VAT Each
£6.16  per metre
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Damp proofing membranes protect different parts of a structure from damage arising from damp, including mould and mildew, and the risk of rotten timber.

A damp proof course 150mm above ground level can keep out rising damp that could otherwise penetrate masonry, and is an important addition when building with clay bricks and similar building supplies.

Damp proofing membrane is sometimes called DPM for short, or DPC membrane as shorthand for 'damp proof course membrane'. A damp course is not the only method of damp proofing for the home. Our range of damp proof products also includes chimney pots, which can help to keep adverse weather from entering the property via the chimney.

Jewson building materials can make sure you have everything you need to not only install a damp proof course for a basement or cellar conversion, but to complete the job from start to finish.

If renovating after a pre-existing damp problem, consider installing fresh sawn & carcassing timber to replace rotten stud work and battens.

Our metalwork wall & frame ties are ideal for work on cavity walls, to hold everything securely together once your damp course is in place.

Whatever damp challenges you are facing, Jewson can help. Contact us via the website or in-branch and we will be happy to suggest the best building supplies for your damp course.

To buy online, register for a web login now. If you have an existing trade account, have your Jewson Account number ready and you will be able to link this to your web login, to give you access to the personalised prices you normally pay in-branch.

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