Damp Proofing & DPC

A range of recycled low density polyethylene damp proof membranes, suitable for use above or below concrete floor slabs, or above precast concrete flooring systems, in accordance with clause 11 of CP 102:1973, where there may be capillary rise of moisture but not where it may be subject to hydrostatic pressure (below ground). The material is chemically inert and is not affected by acids and alkalis that may be present in the sub soils. For jointing adjacent sheets Jointing Tapes should be used. 

• Manufactured from 100% recycled polyethylene
• Convenient multi-folded rolls
• CE marked to EN 13967:2012
Note: Universal DPMs should not be used to provide protection from hazardous ground gases.

Universal DPM 300u (1200 gauge) 4 x 25m

A flexible polymeric sheet material, used within masonry walls to prevent the passage of moisture from the ground and at all levels as cavity trays to prevent the downward movement of water.

• Under normal working conditions, the DPC material will remain effective for the design life of the masonry structure
• Excellent flexibility
• Complete range of system components and preformed cloaks
• BBA approved (No. 95/3133) and CE marked to EN 14909:2012

Standard Flexible Polymeric DPC 100mm x 20m

A flexible polymeric sheet material, used within masonry walls to prevent the passage of moisture from the ground and at all levels as cavity trays to prevent the downward movement of water.

• Under normal working conditions, the DPC material will remain effective for the design life of the masonry structure
• Excellent flexibility
• Complete range of system components and preformed cloaks
• BBA approved (No. 95/3133) and CE marked to EN 14909:2018

Standard Flexible Polymeric DPC 600mm x 20m

A range of recycled low density polyethylene damp proof membranes, ssuitable for use above or below concrete floor slabs, or above precast concrete flooring systems, in accordance with clause 11 of CP 102:1973, where there may be capillary rise of moisture but not where it may be subject to hydrostatic pressure (below ground). The material is chemically inert and is not affected by acids and alkalis that may be present in the sub soils. For jointing adjacent sheets Jointing Tapes should be used. 

• Manufactured from 100% recycled polyethylene
• Convenient multi-folded rolls
• CE marked to EN 13967:2012
Note: Universal DPMs should not be used to provide protection from hazardous ground gases.

Universal DPM 500u (2000 gauge) 4 x 12.5m

A flexible polymeric sheet material, used within masonry walls to prevent the passage of moisture from the ground and at all levels as cavity trays to prevent the downward movement of water.

• Under normal working conditions, the DPC material will remain effective for the design life of the masonry structure
• Excellent flexibility
• Complete range of system components and preformed cloaks
• BBA approved (No. 95/3133) and CE marked to EN 14909:2013

Standard Flexible Polymeric DPC 112.5mm x 20m

A flexible polymeric sheet material, used within masonry walls to prevent the passage of moisture from the ground and at all levels as cavity trays to prevent the downward movement of water.

• Under normal working conditions, the DPC material will remain effective for the design life of the masonry structure
• Excellent flexibility
• Complete range of system components and preformed cloaks
• BBA approved (No. 95/3133) and CE marked to EN 14909:2017

Standard Flexible Polymeric DPC 450mm x 20m

Our damp proofer and waterproofer provides convenient protection against water damage for both walls and floors. Easily applied onto damp surfaces using a brush or roller, it provides an efficient, waterproof seal with just two coats. Suitable for use on wood, plaster, and cement, it forms a flexible, crack-resistant coating that can be overcoated with plaster or flooring screed. This solvent-free formula is efficient for both indoor and outdoor use.

Damp Proofer Waterproofer, 5L

A flexible polymeric sheet material, used within masonry walls to prevent the passage of moisture from the ground and at all levels as cavity trays to prevent the downward movement of water.

• Under normal working conditions, the DPC material will remain effective for the design life of the masonry structure
• Excellent flexibility
• Complete range of system components and preformed cloaks
• BBA approved (No. 95/3133) and CE marked to EN 14909:2014

Standard Flexible Polymeric DPC 150mm x20m

A flexible polymeric sheet material, used within masonry walls to prevent the passage of moisture from the ground and at all levels as cavity trays to prevent the downward movement of water.

• Under normal working conditions, the DPC material will remain effective for the design life of the masonry structure
• Excellent flexibility
• Complete range of system components and preformed cloaks
• BBA approved (No. 95/3133) and CE marked to EN 14909:2015

Standard Flexible Polymeric DPC 225mm x 20m

Black, double sided butyl mastic tape in 50mm x 10m rolls for bonding damp proof membranes at overlaps and for bonding damp proof membranes to damp proof courses at junctions with internal and external walls.

DPM Jointing Tape No.3 75mm x 33m

A flexible polymeric sheet material, used within masonry walls to prevent the passage of moisture from the ground and at all levels as cavity trays to prevent the downward movement of water.

• Under normal working conditions, the DPC material will remain effective for the design life of the masonry structure
• Excellent flexibility
• Complete range of system components and preformed cloaks
• BBA approved (No. 95/3133) and CE marked to EN 14909:2016

Standard Flexible Polymeric DPC 337.5mm x 20m

Insulated DPC is a high performance DPC laminated to flexible foam insulation. When used in conjunction with traditional methods of creating masonry cavity closures at openings, these products minimise the risks of cold bridging across building fabric.

• Flexible, high performance DPC
• Available in both standard and non-standard widths (on request)
• BBA approved (No. 95/3133)

Insulated Flexible Polymeric DPC 225mm x 8m (Qty.5)

A flexible bitumen polymer sheet material, used within masonry walls to prevent the passage of moisture from the ground and at all levels as cavity trays to prevent the downward movement of water. This DPC is also widely used to provide protection under situations of minimal loading such as parapet walls, under throated coping stones and under brick-on edge detailing for both solid masonry and cavity wall constructions.

• Excellent performance under high or low compressive loads
• Superior mortar adhesion properties
• Complete range of system components and preformed cloaks
• BBA approved (No. 95/3133) and CE marked to EN 14909:2012



Low Load Bitumen Polymer Flexible DPC 337.5mm x 20m

A highly flexible polymeric sheet material, used within masonry walls to prevent the passage of moisture from the ground and at all levels as cavity trays to prevent the downward movement of water. The product also offers low permeability to hazardous ground gases such as radon, carbon dioxide and methane, when used as part of a designed ground gas protection system.

• Under normal working conditions, the DPC material will remain effective for the design life of the masonry structure
• Superior flexibility
• Low permeability to hazardous ground gases
• Complete range of system components and preformed cloaks
• BBA approved (No. 95/3133) and CE marked to EN 14909:2012

Gas Resistant High Flex Polymeric DPC 100mm x 20m

DPM Jointing Tape No.2 50mm x 10m

Low Load Bitumen Polymer Flexible DPC 450mm x 20m

Loose laid polyethylene gas membrane for low risk hazardous ground gas sites. Building Regulations require that proper precautions be taken to prevent danger to health and safety when building on contaminated land. Gas Membrane DPM offers a safe solution for the protection of buildings against radon, carbon dioxide and low levels of methane when installed in accordance with the relevant codes of practice. Gas Membrane DPM is a robust polyethylene membrane; for ease of identification on site the membrane is coloured orange, supplied in 2m x 25m lengths. Flexible and easy to install, the product also acts as a damp proof membrane.

• Low permeability to radon, carbon dioxide and low levels of methane
• Suitable for projects assessed under NHBC and CIRIA C665
• Unsuitable for projects assessed under BS8485:2015
• Joints can be tape bonded or hot air welded
• Convenient centre folded rolls
• CE marked to EN 13967:2012

Recycled LDPE Gas Membrane DPM 500u (2000 gauge) 2 x 25m

A black bituminous tape, protected on both sides by a silicone release film, used for bonding overlaps of all DPCs, bonding laps of DPC to Preformed Cloak Units and surface fixing of cavity trays to a range of primed substrates.

• Rapid installation
• Solvent-free

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