Proper cleaning and surface preparation are the two

August 04 [Fri], 2017, 17:10
This step is equally as critical as the step above. Actually, the cleaning and surface preparation phases will make or break the results of your project.

I like a latex paint additive called emulsa-bond for the first coat. Emulsa-bond is a bonding agent you will add to the first coat of paint or primer, to help it to bond to the old siding.

I buy the best grade exterior latex paint, rather than oil or other solvent based paint. Latex paint seems to keep up with the expansion and contraction of the siding very well. The high quality latex paint I buy needs no primer. I add the bonding agent directly into the first color coat. Check with your paint supplier whether or not to use a primer. The rule of thumb is, when in doubt, use a primer. If you use a primer, add the bonding agent into it before applying. There are also bonding agents available for oil or other solvent based paints. One type is called penetrol. These are usually available at a painting contractor supply store.

Many contractors will spot prime areas, especially where bare metal is exposed. I don't like spot priming because it can lead to an uneven looking top coat. When I put a primer coat on, I prime the entire home. This gives a uniform surface finish later on.

Your top coat will be color only. You should check with your paint manufacturer to see if you need one or two top coats after the base coat. Like I mentioned above, buy the highest quality exterior paint.

Proper cleaning and surface preparation are the two main ingredients to a successful painting job. A bonding agent in the first coat is also very critical to avoid paint peeling off later on. Using these techniques, I've re-painted homes that have lasted far longer than the original factory applied finish.

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