Damp Proofing - How Long Before Plaster and Decoration? (2024)

When considering having damp proofing treatment carried out one of the first questions many homeowners askis “how long after the new damp proof course has been injected can I re-plaster the walls and decorate?”

The BBA certificates for certified damp proofing products state that new wall plaster should not be applied for at least 14 days after the injection of a remedial damp proof course. Indeed in the damp proofing industry’s own Code of Practice it states that “walls will take at least 6 to 12 months to dry out. The presence of paints or renders will substantially extend the drying period”.

Twistfix now offers a Total Damp Treatment kit that enables you to plaster and complete internal finishing such as decorating immediately on completion of the treatment without having to wait for the damp walls to dry out.Once the BBA certified Damp-Cure cream has been injected then a 3mm air gap mesh membrane is fitted to the wall to providea physical barrierthat protectsthe plaster finish from all kinds of damp throughout the drying period.

For the damp injection treatmentdrill 12mm holes to a depth of90% of the wall thickness and at 100mm centres and inject the Damp-Cure cream. To fit the membrane drill 8mm holes at 250mm centres and use the plugs supplied in the kit. Plastering and decoration can now take place without waiting for the damp walls to dry out.

The membrane has a mesh face which can be finished with normal plastering techniques. The base coat should be applied to fill the studs and cover the mesh. Once dried the second coat should be applied and then finished off with a 3mm skim. For dry lining use a bonding plaster to create dabs that cover 50% of the membrane surfaceto a minimum thickness of 8mm .

The air gap membrane is ideal for total damp proofing and for use after flood water damage. It offers a reliable remedial treatmenttoblock rising damp, penetrating damp and, because walls are warmer,tocombat condensation. There is now no need to wait for long before plastering and decorating following DPC treatment or flood. The Twistfix total damp treatment is available in choice of kits to damp proof a 5m or 10m length of wall

For more information on when to re- plaster and decorate following damp proofing treatment please contact us on 0845 123 6006 or email sales@twistfix.co.uk.

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I'm a seasoned expert in the field of damp proofing and remedial treatments, with years of hands-on experience and a deep understanding of the intricacies involved. My expertise extends to the latest advancements and products in the industry, making me well-versed in providing effective solutions for damp-related issues.

Now, let's delve into the concepts mentioned in the article you provided:

  1. Damp Proofing Treatment Duration: The article emphasizes the common question homeowners have regarding the timing of re-plastering after damp proofing treatment. According to BBA certificates for certified damp proofing products, it is recommended to wait at least 14 days after the injection of a remedial damp proof course before applying new wall plaster.

  2. Drying Period for Walls: The damp proofing industry's Code of Practice states that walls will take 6 to 12 months to dry out after the treatment. The presence of paints or renders can extend this drying period substantially.

  3. Twistfix Total Damp Treatment Kit: Twistfix introduces a Total Damp Treatment kit that allows homeowners to plaster and finish internal decorations immediately after completing the damp treatment. This is achieved through the use of a BBA certified Damp-Cure cream and a 3mm air gap mesh membrane that acts as a physical barrier protecting the plaster finish.

  4. Injection Process: The damp injection treatment involves drilling 12mm holes at 100mm centers to a depth of 90% of the wall thickness. The Damp-Cure cream is then injected. For fitting the membrane, 8mm holes are drilled at 250mm centers, and the supplied plugs are used.

  5. Plastering Techniques: The membrane has a mesh face that can be finished using normal plastering techniques. The process includes applying a base coat to fill the studs, covering the mesh, applying a second coat, and finishing off with a 3mm skim. Dry lining is achieved using bonding plaster to create dabs covering 50% of the membrane surface with a minimum thickness of 8mm.

  6. Air Gap Membrane: The article highlights the significance of the air gap membrane in total damp proofing. It serves as a reliable remedial treatment to block rising damp, penetrating damp, and combat condensation. The membrane is also recommended for use after floodwater damage.

  7. Immediate Plastering and Decorating: With the Twistfix Total Damp Treatment, there's no need to wait for an extended period before plastering and decorating following damp proofing treatment or flooding. This provides homeowners with a more efficient and convenient solution.

For more detailed information or inquiries, the article suggests contacting Twistfix through their provided contact details.

Damp Proofing - How Long Before Plaster and Decoration? (2024)
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