Tips for Exterior Paint Removal

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The removal of exterior paint and stains is an extremely important step that you need to complete before applying any new coats of paint to the exterior of your home. If you do not take the time to remove problem areas such as old paint failing, the new coat of paint that you apply will fail as well. A top coat of paint will only be as good as the undercoat or primer and if you do not clean the surface of chalky build ups caused y deteriorating paint, pollution and dirt then your new coat of paint will not adhere correctly.

Before you do any paint preparation you will need to find out the reason why your paint is peeling. There are few different things that can cause paint to peel such as, interior moisture coming through the walls and breaking down the paint bond or poor flashing installation around doors and windows. If you do not address these issues before you start applying paint your new paint will fail. You do not want to find that you have spent thousands of pounds on a new paint job only to find out that there are other issues that are causing your paint job to fail.

There are number of different methods for paint removal and I have listed some below:

Thermal Paint Removal

Thermal paint removal methods are great for removing multiple layers of paint. The procedure is simple, all you need to do is heat the paint until it bubbles and then scrape it away. As you scrape the paint off, move the heat source to another area. You will need to wear protective gloves, eye wear and a respirator and you will also need to cover the ground with some plastic sheeting to catch the removed paint.

Chemical Paint Strippers

A paint stripper has an active ingredient that penetrates the paint causing it to swell and therefore lifting it from the wall. Chemical stripping is a messy job and can also be a safety concern and is not really a preferred method for paint removal. There are numerous chemical ingredients used for paint removal and some are more dangerous than others. If this is the method you choose then make sure you are wearing protective gloves, eye wear and a respirator.

Sanding, Shavers and Scraping

When performing paint removal on an exterior wall, scraping followed by sanding is the most commonly used method. Removing the paint from an entire wall is not always necessary and in the majority of cases scraping and sanding is the most cost effective solution for paint removal. If you are planning on removing all the paint on a wall then you can also use paint shavers.

Before you use any of these methods you will need to consider the number of layers of paint you are removing, the type of paint you are removing, the wall you are removing paint from, the cost of removal, any safety concerns and the extent of the paint failure. Once you have removed any paint you should clean the surface to remove dirt, pollution, chalky build up and dirt before you apply any new paint.

 

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