Facshia board


Old 10-19-14, 07:27 PM
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Facshia board

I have a two story house and removed a 4'x43' service deck (wood was bad and the deck was never used) I want to put a 2"x10" facshia board up where the deck was. I'm wondering would it be better to nail it to the siding (t-111 type) and caulk it to seal it or put a spacer so rain water can run between the siding and the board?
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Old 10-19-14, 08:26 PM
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Its not usually a good idea to nail it over siding and caulk it, but some people do that with varying degrees of success, mainly depending on the kind of caulk that's used. The siding will only last as long as the caulk does if water gets trapped there.

Usually if you want to apply a trim (band board or fascia as you are calling it) you would remove the siding behind... and install a z-flashing below and behind the trim, as well as over and above the top of the trim. The top z-flashing would need to be tucked up under the existing siding after you make the cut in it so as to remove that strip of siding that would otherwise be behind the trim.
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