Most interior plaster work involves over skimming of existing walls which involves a thin coat of plaster to create a smooth fresh finish.
Badly affected walls can be made new by either the removal of damaged plaster and the application of backing plaster followed by finishing plaster on top or the application of plasterboards finished off with a plaster skim.
Re-Plastering After Damp Proofing (Rising Damp Treatment)
Re- Plastering is very important after a new damp proof course has been inserted. When a wall has suffered from rising damp the plasterwork will have been damaged from salts which come from the ground during the rising damp process. Therefore it is important that when treating rising damp that the plasterwork be removed in all areas affected and an anti sulphate used which will make soluble salts insoluble prior to rending or plastering. If the plasterwork is left in place then hygroscopic salts left in the plasterwork could attract moisture from the air which will result in the wall remaining damp.
Once the plasterwork has been removed and the new damp proof course installed then preparation for re-plastering can then begin. It is very important that the right plasters are used for the job. If the wrong plaster is used this could result in the plaster causing problems in the future. We use a special re-plastering specification which is designed for use after a damp proof course has been installed. Under no circumstances should plasterboards be applied to the wall using plasterboard adhesive. If you would like plasterboards applied to the wall then we can offer ways in which this can be done without sticking the boards on the walls with plasterboard adhesive.
In extreme cases efflorescence may appear on the wall during the drying out period, but this can easily be removed by brush without causing any problems. Efflorescence is normally seen as a dry, white, fluffy covering on the wall and should not be confused with fungal growth. After complete drying out, normal wall papering can commence.
Guidance will be given as to when painting can take place. Trade matt emulsion paint should be used. (This can be supplied if required)
Please see the above as a rough guide. Each job will have its own specification designed for it.
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