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I assume you mean Tyvek housewrap.
Tyvek is used as a vapor barrier to keep water and moisture from penetrating walls of a structure. It also helps prevent drafts but at the same time allows the house or structure to breathe.
Tyvek is put on walls during construction after the sheathing. This could be plywood or a foam sheathing. It also helps keep the structure or house dry until the exterior finish is applied.
Mike Merisko
www.sawkerfs.com
What else can I help you with?
Is a slam shut valve operated peumatically?
Not necessary some are electrical Not necessary some are electrical Not necessary some are electrical
Why dafault constructor is necessary in c programming?
It is not necessary (nor possible) in C programming.
Why is irrigation necessary for crops?
it increases their food supplies it is also necessary to stop crops from being dry.
Is teflon tape necessary for brass on brass fittings?
Not necessary, but recommended along with pipe thread compound.
Is it necessary to submit income certificate even for oc during eamcet counselling?
No it is not necessary... it is of BCE candidated only.....
Which of these are correct spelling nesessary necasary necessary necessary?
The correct spelling is "necessary."
Which is correct If you feel it necessary or If you seem it necessary?
Neither is correct. You say "If you feel it is necessary" or "If you feel that it is necessary."
what is the sufix for necessary?
The suffix for "necessary" is "-ary".
What is the Correct spelling of necessary?
The correct spelling of necessary is necessary. Very simple. ( Actually it's in the question.)
What Comparative and superlative form of word necessary?
more necessary, most necessary
How necessary are beauty pagents?
They are not necessary!
Why is wholesale trader necessary?
he is not necessary
Is war necessary to happpen?
It's only necessary because people make it necessary.
Why is rebellion necessary?
are u sure it really is necessary? i mean it could be necessary as a hoax.
What is a prefix for necessary?
unecessary
Is the wick necessary?
yes the wick is necessary
When is hospital-based care necessary?
its necessary when it is
