Peter Cox

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Replastering from Peter Cox Damp Specialists

Where plaster has to be renewed because of contamination with hygroscopic salts, it is vital that a special salt retardant additive is used to hold back any residual salts while still allowing the passage of water vapour.

Standard plasters such as Carlite should not be used as many have hygroscopic content and failure to follow this instruction is the most common cause of continuing wall dampness after a remedial dpc has been installed.

The recommended method is illustrated below:


Where necessary, we can either undertake the replastering as part of the remedial damp proofing contract or supply our special DryWall Salt Retardant additive for the client’s plasterer to use in a sand and cement render.

Where there are steps in floor level, we recommend applying a waterproof slurry coat to prevent moisture ingress through masonry below the level of the remedial damp proof course.

Excellent service! Everyone I dealt with was helpful, polite and professional. Diane, who has the difficult job of coordinating the various people involved, went out of her way to ensure that the work was completed in a short time to fit in with our deadline. Gary was also extremely helpful re the extra work needed and an excellent job was carried out. Many thanks.

, Northumberland
October 8th, 2013