Painted floors or walls in basements will likely have a longer curing time. The length of this process depends on the thickness of the ‘mil’. Paint dries (or cures) to different thicknesses, depending on its sheen and chemistry. It’s better to apply several thin coats, rather than one thick coat, as paint creates a harder surface when thin coats are laid on top of each other. Buy a minimum of three roller covers – for the sealer, the primer and the paint. Most likely it will be a ¾-inch or 1-inch nap. Check with the manufacturer's recommendations as to what size nap is appropriate. The remainder of the painting can be done using a roller. A brush is also better for cutting in between the walls and floor. It’s preferable to use a brush for the detail work around windows and trim etc. Only start applying the paint after your sealer and primer coats have completely dried out. The process of sealing and priming will build a strong, water-resistant foundation for the final painting. It's best to use a quality masonry sealer with a separate primer that complements it. If the floor has not been sealed, water will have condensed under the plastic wrap due to evaporation up through the concrete. You can check if your basement has been already sealed by taping four sides of a square of plastic kitchen wrap onto the surface of the floor and leave for 24 hours or so. This is most likely to occur in basements. The sealers stop moisture from seeping through the concrete or masonry. Most masonry surfaces require to be sealed and primed prior to painting. Take a look at our range of masonry and concrete paints, available at low prices with fast delivery.Īt the same time as ordering your paint, you should also consider if you require mineral spirits or paint thinner to clean your brushes or spillage. The experts at The Paint Shed are happy to provide advice and suggestions to ensure that you choose the most appropriate paint for the job. Some paints are even specifically created for floors, and additives can be used to provide more texture and grip. It could be the interior of a garage or an exterior wall for example. The concrete manufacturer will normally make recommendations on drying time and tell you when the surface can safely be painted.Ĭhoose your paint depending on where the paint is going to be applied. Repair any defectsĪfter surfaces are clean, use a masonry filler or a ready mix concrete patch to make good any defects on the surface. Scrub well into the masonry or concrete surface to ensure that paint will adhere. Apply a fungicidal wash, to clean the surfaces before applying paint. Grease or oil on the surface will bleed through the new paint, interfering with the longevity of the paint and causing it to discolour. If you are working indoors or the use of a power washer is impractical, then use a scraper and wire brush to remove old paint.Īfter old flaking paint has been removed, ensure surfaces are clean and dry. Also, if mould or algae are in evidence then add some bleach or mildewcide to the water. If possible, power-wash the surface to remove old flaking paint etc. For a good paint finish, cleaning & preparation are absolutely vital.
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