Porch Floor
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puppychew



Joined: 27 May 2010
Posts: 17

PostPosted: Mon Jul 19, 2010 11:17 am    Post subject: Porch Floor Reply with quote

Hi, Scraping and repainting my porch. Using BMoore latex paint but not priming.

The part with 20 year old boards get a lot of sun, are curled and have gaps between the boards. There is hardly any slope and water stays when it rains. The 100 year old boards are in the shaded area, have gaps and are jagged at the end.

Is there anything I can do to help the porch last longer? I was thinking of caulking between the boards - some gaps almost 1/4 inch but thought the sun will make it worse. Should I caulk the jagged ends?

Any suggestions appreciated - thanks!
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rncx



Joined: 21 Jun 2008
Posts: 660
Location: Little Rock, AR

PostPosted: Mon Jul 19, 2010 1:51 pm    Post subject: Reply with quote

tongue and groove or just flat boards butted on edge?
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puppychew



Joined: 27 May 2010
Posts: 17

PostPosted: Wed Jul 21, 2010 11:11 am    Post subject: Reply with quote

tongue n grove boards
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michwindows



Joined: 28 Mar 2009
Posts: 29
Location: Grand Rapids Michigan

PostPosted: Sat Jul 24, 2010 6:32 pm    Post subject: Reply with quote

I do a lot of tongue and grove porches and we us BMoore's Oil porch and floor paint. The first coat is always cut 10% with paint thinner. This usually makes the drying time longer but allows the paint to soak into the wood. As you can tell, and if you read the can, porch and floor paint is self priming. We recommend going over it with 2 more coats.

I am not a big fan of caulking T&G joints. It only traps moisture in the place we don't want it.

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rncx



Joined: 21 Jun 2008
Posts: 660
Location: Little Rock, AR

PostPosted: Fri Jul 30, 2010 10:52 pm    Post subject: Reply with quote

no caulk is gonna last that long outside, especially on the ends.

the proper way to fix that would be to remove sections that have short ends, mill replacements, and set them in place.

but that has a choice on time/quality as well. the only way to get bad sections out and maintain the tongue/groove integrity is to pull it all up, and put it all back. or you can cut bad boards out, cut the tongue off, and put a replacement in that way, but that won't be as stable because you're removing joints.

not an easy fix.
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jbmnd93



Joined: 15 Jul 2010
Posts: 54

PostPosted: Tue Sep 21, 2010 6:20 am    Post subject: Reply with quote

+1 to Michwindows. The gaps allow the underside of the porch to circulate air and dry out the porch after it gets wet. That's why you have lattice skirts (probably) under the porch: to allow post-rain damp conditions to dry out as fast as possible. Caulking will only hinder circulation and keep the underside of the porch damper, longer. As well, caulk will mess up the shrink/swell of the t&g that goes along with the seasons.
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