Damplas Damp Proof Course - 112.5mm x 30m

The Damplas Polyethylene Damp Proof Course is a black, flexible 0.5mm (500μm) damp proof course su...

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Product Information

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This guide is for builders, contractors, and DIY enthusiasts needing to protect masonry walls from rising damp. The Damplas Polyethylene Damp Proof Course (DPC) provides a reliable barrier against moisture, safeguarding structures from water damage. Note that proper installation is crucial for optimal performance, so always follow the manufacturer's guidelines.

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FAQs

What is the purpose of a damp proof course?

A DPC is a barrier within a wall that prevents moisture from rising up from the ground, protecting the building from damp-related damage.

What material is the Damplas DPC made from?

It is made from black, flexible 0.5mm (500μm) polyethylene.

What standards does the Damplas DPC meet?

It is manufactured to British Standard 6515:1984 and holds a CE Mark EN 14909:2012.

Can the Damplas DPC be used in vertical applications?

Yes, it can be used in both horizontal and vertical applications.

How long is a roll of Damplas DPC?

The rolls are approximately 30 meters long.

Is the Damplas DPC environmentally friendly?

Yes, it is made from UK sourced post-use recycled polyethylene.

How do I ensure a good seal at joints?

Overlap the DPC at the joints by at least 100mm.

What is the benefit of the embossed surface?

The embossed surface improves mortar adhesion and reduces side slip.

Troubleshooting

Dampness appearing above the DPC.

Check for gaps or damage in the DPC. Ensure it is correctly lapped at joints. Repair any damage or re-lay sections if necessary.

Difficulty in achieving a level installation.

Ensure the mortar bed is level. Use a spirit level to check the DPC during installation. Use packers or shims if necessary to create a level surface.

Mortar adhesion issues.

Ensure the embossed side of the DPC is in contact with the mortar. Use a mortar mix suitable for the application.

Pros and Cons

Pros

Effective barrier against rising damp.
Made from recycled materials, promoting sustainability.
Embossed surface enhances mortar adhesion.
Compliant with British Standards and CE marked for quality assurance.
Flexible and easy to handle and install.
Suitable for various masonry applications.

Cons

Requires careful installation to ensure effectiveness.
May require professional assistance for complex applications.
Material can be damaged if not handled properly during installation.
Not suitable for all types of damp issues.
Limited to a specific width (112.5mm).

Setup, Compatibility & Care

Preparation: Ensure the surface is clean, level, and free from debris. The mortar bed must be even.
Installation: Lay the DPC horizontally in the mortar bed, ensuring it is continuous and overlaps at joints by at least 100mm. For vertical applications, ensure the DPC covers the entire area.
Compatibility: Compatible with brick, stone, and concrete walls. Avoid contact with solvents or chemicals that could degrade the polyethylene.
Care: Handle with care during transport and installation to prevent damage. Store rolls in a dry place. Inspect regularly for any damage or movement, especially in areas prone to ground movement. If damage is found, repair or replace the affected section.