Preparing Asbestos Siding For Painting

One concern when repainting this type of siding is the small gaps between the shingles.

Preparing asbestos siding for painting.

Powerwash the siding to remove any excess dirt or paint with a low pressure pressure washer. Maybe add a mild cleaner that wont harm the plants. Then be sure that the siding is dry before applying either primer or paint. You do not want to scrape or sand the shingles directly as you could release asbestos but.

Be sure to use both a primer and top coat that are recommended for use on cleaned fiber cement siding as recommended by the manfacturer of both the siding and the paint. Use a long handled brush and detergent. I m placing a bid on painting this house with this type of siding. That said you ll still need to take some precautions if you decide to paint your asbestos siding.

Allow the primer to dry completely. Begin painting the siding with your choice of brushes and rollers making sure to check often for runs. The biggest concern is that you should avoid power washing asbestos siding as it can chip or damage the siding and release dangerous asbestos fibers into the air. We do a final rinse again.

Use bleach for stuff that is growing green. Preparation before coating is the key to a successful paint job. The first is the possible and almost certain presence of lead based paint on the siding and the second is the asbestos in the siding itself. You can roll it or brush it on but make sure you get under the small lip at the bottom of each asbestos siding shingle.

We rinse with plain water to pre wet the surface and remove very loose dirt. Here at top coat painters we dial down the pressure and use a 4 step process. We apply a soap mildew killer under very low pressure and allow it dwell on the substrate for aprox 10 to 20. Thinking of pressure washing and allowing to dry for a couple of days.

On preparing the surface for paint. Use tsp with both if you can get it in your area. Start at the top of the house and work your way down aiming the nozzle downward and keeping it moving constantly. Pressure washers are over rated.

Jomax is good product to use and all you need is a pump up garden sprayer and a hose to use this product. Begin by analyzing a paint sample for lead content. It is hard to top. Surface is chaulky with very little flaking.

Besides the need to create a good surface for painting asbestos siding there are two other areas of concern. You must be careful not to damage the wood while doing so as the water pressure is strong.