Preparing Asbestos Siding For Painting

Powerwash the siding to remove any excess dirt or paint with a low pressure pressure washer.

Preparing asbestos siding for painting.

When you are done cleaning paint the siding with a suitable primer. Besides the need to create a good surface for painting asbestos siding there are two other areas of concern. 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. Use a long handled brush and detergent.

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. Jomax is good product to use and all you need is a pump up garden sprayer and a hose to use this product. Allow the primer to dry completely. Use tsp with both if you can get it in your area.

You must be careful not to damage the wood while doing so as the water pressure is strong. We apply a soap mildew killer under very low pressure and allow it dwell on the substrate for aprox 10 to 20. 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. On preparing the surface for paint.

Surface is chaulky with very little flaking. Use bleach for stuff that is growing green. Pressure washers are over rated. 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.

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. Preparation before coating is the key to a successful paint job. I m placing a bid on painting this house with this type of siding. You do not want to scrape or sand the shingles directly as you could release asbestos but.

Begin by analyzing a paint sample for lead content. We rinse with plain water to pre wet the surface and remove very loose dirt. That said you ll still need to take some precautions if you decide to paint your asbestos siding. It is hard to top.

We do a final rinse again. Start at the top of the house and work your way down aiming the nozzle downward and keeping it moving constantly. Maybe add a mild cleaner that wont harm the plants. Thinking of pressure washing and allowing to dry for a couple of days.

One concern when repainting this type of siding is the small gaps between the shingles. Then be sure that the siding is dry before applying either primer or paint.