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Old 02-19-2012, 04:23 PM   #1
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painting regular SPF lumber for weather exposure


i was wondering if painting regular SPF lumber with outside enamel paint and then protecting it with aluminum flashing will make it weatherproof significantly longer.

i want to build my window frame box of 2x lumber but i'm not supposed to use PT cause PT reacts with aluminum badly, supposedly. as for vinyl lumber, i cannnot seem to find 2x, only 1x (Azek).

thanks

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Old 02-19-2012, 09:44 PM   #2
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painting regular SPF lumber for weather exposure


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Originally Posted by amakarevic View Post
i was wondering if painting regular SPF lumber with outside enamel paint and then protecting it with aluminum flashing will make it weatherproof significantly longer.

i want to build my window frame box of 2x lumber but i'm not supposed to use PT cause PT reacts with aluminum badly, supposedly. as for vinyl lumber, i cannnot seem to find 2x, only 1x (Azek).

thanks
Are you wrapping the board in aluminum flashing so that the it's protected from direct sunlight? If so, I think I'd still prime first, then apply an exterior enamel - make sure all 6 sides of each board are completely coated, then countersink nail heads and fill with putty...With that system, yes, it absolutely will "weatherproof" the board significantly longer.

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Old 02-20-2012, 06:06 PM   #3
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painting regular SPF lumber for weather exposure


Thanks, Rick !!
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