Damp plaster is undesirable inside the home and it can have a negative effect in the entire room. Some homeowners might just let it be thinking there is no easy solution when, in fact, there are a number of things that can be done.
The first thing to do is to check the exterior of your home. The damp only happens to penetrate inside the walls if there is an issue with the building’s fabric. Usually, damps are found to develop horizontally coming from the outside but there are cases wherein it can be seen on the ceilings and walls of the house. There are a number of causes for damps including roof flashing which might be defective or has missing components, gutters which are either blocked or defective, pointing and brickwork may be defective, render might be cracked or is missing. This is just the most common but there are many other causes. Look closely as it can only be condensation that looks like damp.
There might be something wrong with the damp-proof course that makes it impossible to do its job. Make sure that the ground level of you garden or patio is not higher than the course or else it will if not be effective.
If there is a damp in your chimney breast, it might either need a repair, the chimney pot needs to be capped or there is no proper ventilation inside.
If the damp is seen on the lower area of the wall, it can be a rising damp. This can be easily resolved by a newly installed damp-proof course. If the plaster is damp, it should be taken out to reveal the bricks and then dry it out. This process might take a while though.
If you are in a rush, a plasterer will be able to install a waterproof render. After which new plaster will be applied to create a barrier that will prevent the moisture from the bricks in transferring into the new plaster. It is important to hire professional plasterers to make sure the job is done correctly. It is essential that you choose Plastering Contractor in Sydney with experience because hiring the wrong one might result to future damp issues.