How to Fill Cracks and Holes Prior to Painting

Preparing a Wall for Painting

When undertaking a painting and decorating project, preparing interior walls before painting them is essential to ensure a blemish-free finish. Unsightly holes and cracks can result in a less than ideal finish, and as a professional, you want to ensure your customers are happy with their results.

Filling holes and cracks is not a difficult job, but with care and attention can ensure your professional decorating looks its best. The task of filling holes and cracks naturally differs depending on the wall surface.

How to deal with different types of surfaces:

 

  • Plasterboard or Wallboard Walls

 

Ensure loose pieces of material are removed before filling the hole or crack with joint compound or a polyfilla. Use a wide putty knife to smooth and wait for it to dry. Ridges or bumps can be smoothed with a fine-grit sandpaper.

  1. Plaster

Cracks and holes in plaster can be filled with polyfilla and smoothed with a putty knife. After the filler has dried, sand with a fine sandpaper to smooth any ridges, to ensure a even finish.

  1. Concrete

Prior to filling cracks and holes in concrete walls, first clean the area using a wire brush to remove any dirt or debris. Undercut the hole or crack to give the adhesive a stronger bond. Then fill the hole using a suitable product such as pre-mixed concrete. Using a trowel, brush or broom, match the texture of the pre-mixed concrete with that of the surrounding wall.

Tools Required to Fill Cracks and Holes

Filling holes and cracks is simple if you have the correct tools for the job, and shouldn’t be too time consuming. A small amount of work for a quality finish.

Professional decorating jobs should be of a high standard, and using the correct tools can help you achieve this. When preparing the wall to fill-in the holes and cracks -  ensuring there is no loose material, a Prestige Wire Scratch Brush and Scraper offers both a scraper to remove loose material and a brush to clean it away.

Putty or fillers can easily fill small holes and cracks and should be applied using a suitable filling knives such as:

The Perfection Scale Tang Flexible Filling Knife. Its hollow high carbon steel blade offers optimum flexibility, durability and strength. An alternative addition to any painting and decorating toolbox is the

The Prestige Soft Grip Filling Knife. Its soft handle ensures comfort during use, and it has both a round edge for consistent beading and a sharp edge for getting into corners.

The Prestige Continental Filling Knives offers a variety of sizes to allow you to select a smaller size for better control in smaller spaces. The flexible blades ensure a smooth finish, and they can be used on a variety of surfaces.

When painting and decorating for customers, you want to be sure that they will be happy with the results. Taking the time to prepare walls by filling holes or cracks prior to painting them will give the best finish. Filling walls to ensure a smooth finish is not a difficult task, but it is made easier by ensuring you have the correct tools for the job.

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