Painting your facade immediately gives your house a new and fresh look. But what should you keep in mind when painting an exterior wall? And how do you get a perfect result? In this article A step-by-step plan you can read how best to paint the facade of your house.
Do you want to tackle the entire exterior of your home? Then start with the woodwork (windows, doors, shutters and gutter ) and do the facade last . After all, it is always easier to tape off wood than walls.
When do you paint an exterior wall? Are you going to paint an exterior wall? Then keep a close eye on the weather forecast. After all, painting in unfavorable weather conditions makes no sense. That means:
● Only paint at an outside temperature between 10 and 20°C. If it is warmer, the paint will dry too quickly, at colder temperatures the paint will dry too slowly or not at all.
● Does the wall you want to paint face south? Plan your job when the bright afternoon sun has already gone, so in the early evenings. Also, don't paint early in the morning because the afternoon sun will cause the paint to dry too quickly.
● In case of rain or fog, the humidity is too high and painting outside is not a good idea, even under a shelter.
● Too much wind dries the paint too quickly and can stir up dust and dirt, so only paint on windless days.
Step 1 – Clean and degrease the exterior wall A well-cleaned surface is important for a successful end result.
● Painted exterior walls in good condition can be cleaned with water and an appropriate cleaning agent.
● Unpainted walls may show a white rash. Brush this off with a stiff brush without water and make the wall dust-free.
● Remove any moss with the pressure washer or stiff brush and treat the wall with an anti-moss product.
Step 2 – Repair, level and tape where necessary To successfully complete your painting job, it is important that the surface is clean, solid, even and dry.
● Remove loose layers of paint with a stiff brush or a knife.
● Grind out bad or loose joints and re-join them with grout.
● Repair large tears and cracks with a custom filler or sealant.
● Fix powdery walls with a fixative.
● Always allow newly masonry brick walls or newly plastered walls to dry out long enough (at least 1 year) before painting.
● Also, after cleaning, fixing or repairing (cracks or joints) the outer wall, wait long enough before you start painting.
● Always address structural moisture problems before proceeding. Painting a wall that is too damp will cause problems in the long run.
● Seal windows and doors with masking film and masking tape.
● If possible, disconnect downspouts and cabling from the wall.
● Cover the ground against the wall you want to paint (the sidewalk, patio or lawn) with masking film or old blankets.
● If necessary, also protect plants that are nearby with a sheet or thin cover film.
Step 3 – Choosing the Right Paint and Tools Choosing a suitable color is of course important, but the choice of paint type and the right tools also contribute to a beautiful and durable end result.
Paint: When the outer wall is dry and in good condition, it is best to choose classic facade paint. If the outer wall is damp, you can treat and paint it with specifically adapted products.
Brushes: Use a round brush for corners and edges and a block brush for rough walls, such as brick.
Rollers: A facade roller with long hairs is ideal for applying facade paint.
Prepare new tools for work Run a new brush over a piece of sandpaper a few times and roll it between your hands to remove any loose hairs. New roller? First wet it well and roll it a few times over a piece of cardboard.
Step 4 – Apply the Right PrimerExterior walls are constantly exposed to wind and weather . Applying an adapted base coat or primer is in many cases necessary for an optimal and durable end result .
Always apply a primer to unpainted , repaired or intensively cleaned (eg anti-moss treatment) exterior walls . This provides a good base for the final layers. Walls that have already been painted and are still in good condition, in principle, do not need a primer.
Step 5 – Paint the Exterior Walls Finish the walls in two final coats. Use a brush for corners, edges, joints and hard-to-reach areas and a long-haired facade roller for large areas. Let the first coat dry thoroughly before applying the next top coat.
Do you want to interrupt the painting? Try to put each layer on it at once. If you have to interrupt the work, then finish the surface you are working on and end in a corner. This way the new start will be the least noticeable.
There is no need to clean the tool between two coats. Scrape off most of the paint and put the roller and brush in a plastic bag that you tie tightly.
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