To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. You can scrape it off for a smooth surface, If you are finding it hard to remove paint marks or blotches then you will need to use a paint stripper before moving onto the next step. It’s true that any splashes that go outside the floor, such as on the walls will be problematic when applying emulsion paint or that the sealer will go tacky and sticky when applying adhesive. In its extreme, big boy/girl form it becomes an extremely versatile, waterproof adhesive and sealer, which has an extraordinary number of uses in the building trade. We have sealed concrete floors with PVA before with no issues but it’s a debated topic among DIYs and tradesmen.

Remove as much furniture from the work area as possible, and cover anything you can’t move with dustsheets. You may need to be creative in some cases, as the carpenter’s daughter did when plastering a wall with chased cables.

PVA polyvinyl acetate is an inexpensive solution to sealing concrete floors and can work just as well as expensive specialised concrete sealers.

For example, when plastering over an existing artex ceiling the moisture in the plaster would be soaked up so quickly that the plaster would be rock hard in minutes and getting a smooth finish would be impossible. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. At least 3 coats of undiluted PVA are required and each coat must dry thoroughly before the next is applied. It won’t take long but it’s best to leave it overnight so leave at least 12hours but it’s best to leave about 24 hours to ensure that all the sealer has completely dried into the concrete.

Timber can be sealed with PVA to give it a waterproof quality, although if the surface of the timber is to be subject to any wear or traffic, then PVA, as it is an emulsion, will eventually fail.

PVA can be added to a cement mortar mix to give the mix a) slightly better waterproofing qualities and b) advanced adhesion to the surface it is applied to. Advice on PVA Adhesive uses and properties including sealing timber, sealing plaster, waterproofing plaster, render and mortar and as a wood glue for DIY and joinery.It is an environmentally safe product that adheres to the UK environment standards which makes it a great choice for sealing a dusty concrete floor. Roll or brush the PVA onto the surface and then wait briefly for it to take up, but don’t let it dry completely. It creates a barrier between the concrete which protects and allows you to easily apply a coat of enamel or epoxy-based paint as a finishing coat if you wish to. One step up the ladder, and a little stronger, it becomes an excellent wood glue for DIY enthusiasts and joiners alike.