Preparing Asbestos Siding For Painting

Begin by analyzing a paint sample for lead content.

Preparing asbestos siding for painting.

Use tsp with both if you can get it in your area. We rinse with plain water to pre wet the surface and remove very loose dirt. 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.

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. It is hard to top. One concern when repainting this type of siding is the small gaps between the shingles. Start at the top of the house and work your way down aiming the nozzle downward and keeping it moving constantly.

Congratulations asbestos cement siding is durable holds paint exceptionally well and is fire proof. When you are done cleaning paint the siding with a suitable primer. 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. Surface is chaulky with very little flaking.

We do a final rinse again. 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. You do not want to scrape or sand the shingles directly as you could release asbestos but. Allow the primer to dry completely.

Use bleach for stuff that is growing green. Then be sure that the siding is dry before applying either primer or paint. Besides the need to create a good surface for painting asbestos siding there are two other areas of concern. On preparing the surface for paint.

I m placing a bid on painting this house with this type of siding. Painting asbestos siding compared to other similar hardie board or fiber cement siding there is not much difference in terms of painting asbestos siding after you prepped and cleaned the surface. Pressure washers are over rated. Preparation before coating is the key to a successful paint job.

You must be careful not to damage the wood while doing so as the water pressure is strong. Begin painting the siding with your choice of brushes and rollers making sure to check often for runs. Use a long handled brush and detergent. Powerwash the siding to remove any excess dirt or paint with a low pressure pressure washer.

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. Maybe add a mild cleaner that wont harm the plants.