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-   -   Can you paint masonite siding?? (http://www.diychatroom.com/f4/can-you-paint-masonite-siding-7208/)

opee 03-18-2007 05:36 PM

Can you paint masonite siding??
 
Some of our masonite siding is chipping off and we would like to paint it, but someone had told me you can't paint masonite siding. Is this true, and if it is not true, are there any special steps to painting it?

Thanks!

AtlanticWBConst. 03-18-2007 06:46 PM

Quote:

Originally Posted by opee (Post 37458)
Some of our masonite siding is chipping off and we would like to paint it, but someone had told me you can't paint masonite siding. Is this true, and if it is not true, are there any special steps to painting it?

Thanks!

First off, you can paint masonite siding. The issues revolve around masonite siding that has been up for a while and has started 'chaulking'.

Here is a link with a description of steps to take. Go to the 3rd response down:

http://ths.gardenweb.com/forums/load...0066922.html?7

joewho 03-19-2007 09:17 PM

!!!!!!!YOU NEED TO KNOW THIS!!!!!!!!!!!

Where ever the surface paint is gone or repairs to be made, DO NOT USE WATER. Don't wash the house first. You need to use an oil or shellac based, quick dry coating before you do anything else.

This is where the lawsuits are coming from:
The subsurface acts like cardboard or bare drywall. You can't scrape it, sand it and certainly don't put water on it. It will absorb the water, swell and buckle. If you try to prime with water base, it will bubble, you'll try to repair the bubble and that, in turn, will cause more damage. All the bare spots need to be sealed up with shellac or zinsser shields. I would use shellac on an exterior.
Just the bare spots. Chaulky siding that is not damaged is fine. Treat it as any other painted surface. After the repairs or bare spots have been sealed, then you can wash, patch, prime, etc. This means, all "end grains" where you're likely to caulk, seal that area too.

The top coat of paint can be water based and all the primer can be water based, AFTER all bare spots are COMPLETELY sealed. You are wise to stay away from a powerwasher on this, but you could use a hose, after it's sealed and caulked.
Hope this info is usefull.

PS. Chaulking is not a huge problem. I've cleaned many homes and have yet to see one that has been 100% de-chaulked. Controversial statement, but it's true. Get a cleaning product made to clean chaulky surfaces, an aluminum siding cleaner will work. Follow the directions and you'll be good to go.

Don't know if I ever mentioned it, I'm a journeyman, pro painter, over 20 yrs. experience.

AtlanticWBConst. 03-19-2007 09:22 PM

Quote:

Originally Posted by joewho (Post 37609)
....Hope this info is usefull.
Don't know if I ever mentioned it, I'm a journeyman, pro painter, over 20 yrs. experience.

...If this is who you are, then I trust this more than anything I read anywhere...because it's about experience....:thumbsup:

joewho 03-19-2007 09:52 PM

Members of the painting contractors forum put all our experience AND knowledge together. This helps me come up with answers for the diychatroom.

I learned from old timers and use experience as a basis, but the paint and stain industry changes all the time and plain experience isn't enough any more.

Thanks for the compliment.


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