House wrap under siding


Old 04-16-05, 08:29 AM
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House wrap under siding

I am replacing some siding on a wood frame house with board (actually plywood) and batten siding. The lining between the siding and insulation is black and kind of papery and fibrous - not sure what it is. I need to replace a small area of this material. I have heard about House Wrap and some other product made of Tyvek, but because most houses in south Florida are concrete block, most stores don't carry it. I did find a huge roll at one Lowe's, $150. I only need a few square feet.

Any suggestions for a substitute material? Apparently it has to be breathable but waterproof, especially because the siding is being replaced because of water damage from splashback.

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Old 04-16-05, 08:53 AM
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For down here and just a repair That stuff you have now is the 15 lb felt paper. that they put around the outside of all homes years back is all. Id just get a roll of black feltpaper at lowes or Home Depot. here they might only have 30 lb felt but thats OK also.

Old 04-17-05, 07:10 AM
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Sounds like Typar Housewrap to me. 15# will work OK.
Old 04-17-05, 04:43 PM
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House Wrap

Like Ed said, just use 15# felt or 30# felt. Good Luck
Old 04-20-05, 03:19 AM
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The 15# felt paper was available at Home Depot in roofing, turns out it is the identical thing that was under the siding. I am amazed that noone at HD had the answer for me - I asked the same questions I posted here. BTW I have some other more general questions about siding, like

(a) is it supposed to be completely impervious to water (should I caulk the edges of the batten boards),
(b) any ideas on how I can waterproof at the bottom so the splashback doesn't damage the plywood (I painted the heck out of both sides before nailing it on)

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