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john b

12:55PM | 05/12/03
Member Since: 05/11/03
4 lifetime posts
Bvbrush
I have a cabin in the California desert where it can be very hot and dry in the summer. Currently, the exterior walls are plywood with several coats of quality exterior paint on them. Yet still the plywood is aging and cracking. I want to keep the plywood look. Is there anything I can use other than paint to protect the wood and fill the cracks?

5slb6

01:31AM | 05/14/03
Member Since: 07/28/02
1356 lifetime posts
You could go with a high build product such as an elastomeric which will bridge the cracks. Check with a local paint supplier(not a big box home center) on what they have in this line of products.

MrPaint

01:11PM | 05/15/03
Member Since: 02/03/03
196 lifetime posts
I disagree. Painting Elasto on wood is a mistake. You will have a failure there.

Plywood cracks because:

1. It is multiple layers of wood that expand and contract at different rates.
2. The primer might not have been as good a quality as the paint - not flexible enough. Lots of people make this mistake - cut a corner on the primer and an expensive topcoat.

I would prime and paint again with a top quality 100% Acrylic primer and paint.

Paint it a lighter color (or white) if it isn't already - that will help.

If you really want something that lasts in a hot climate - look into having the house stuccoed. Stucco is very common in hot climates because it can stand the temperatures better than any type of wood.

In my opinion - that would be your best bet.

Mr. Paint

john b

01:51AM | 05/16/03
Member Since: 05/11/03
4 lifetime posts
Mr. Paint. It's true, I used a cheap primer under a quality paint. Never knew that would make a difference. Would you please explain further why you think the Elasto would fail?

I've thought about stucco (probably should have done that in the first place) but now that I have the plywood and batten look I'd like to keep it that way. What about using stucco to fill the cracks but not using the chicken wire backing? Would that work?

MrPaint

09:28AM | 05/17/03
Member Since: 02/03/03
196 lifetime posts
John.......stucco without the wire will fall off.

You could scrape it all off - reprime and repaint - lots of work though.

Elastomerics were not designed for wood - just masonry. They won't adhere to wood very well - and with wood holding moisture like it does - even in the desert - that can give you problems.

I personally would go for stucco - long term it is going to be the best solution - long lasting - easy to paint - easy to maintain.

Mr. Paint

john b

03:42PM | 05/17/03
Member Since: 05/11/03
4 lifetime posts
Thanks for your advice, Mr. Paint. I know what I have to do now.

MrPaint

01:41PM | 05/18/03
Member Since: 02/03/03
196 lifetime posts
No problem John!

Good luck with it!

Mr. Paint

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