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https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl DIY Forum >> Carpentry Questions >> residing https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1323900529 Message started by steve L on Dec 14^th, 2011, 10:08pm

Title: residing
Post by steve L on Dec 14^th, 2011, 10:08pm

plan to remove cedar sidewall shingles and add 3/8 foam and siding. WOULD IT BE A GOOD OR BAD PRACTICE TO APPLY TYVEK OR TYPAR?

Title: Re: residing
Post by TIMBA-WOLF on Dec 14^th, 2011, 11:22pm

i take it that you are in the U.S of A, and not the U.K....

there for i would recommend the use of Typar,

http://www.arcat.com/arcatcos/cos35/arc35127.html

Title: Re: residing
Post by CWatters on Dec 17^th, 2011, 11:26pm

wrote on Dec 14^th, 2011, 10:08pm:

plan to remove cedar sidewall shingles and add 3/8 foam and siding. WOULD IT BE A GOOD OR BAD PRACTICE TO APPLY TYVEK OR TYPAR?

3/8" of foam won't provide much insulation if that's your intention.

Title: Re: residing
Post by TIMBA-WOLF on Dec 18^th, 2011, 10:28am

The correct foam for siding is called fan fold insulation. It is styrofoam insulation and less then 1/4" thick. When using this, your new siding should come out correctly on your brick mold!

unless of course you are talking about the following type of siding to replace the timber siding,

GRAND SIERRA SERIES: Grand Sierra is a 0.48 thickness vinyl siding that along witha 3/8" foam core applied backing

and CW, not it is not his intention, its across the pond codes of practice here, (U.S/Canada)

probably has either 2 x 4 or 2 x 6 studs, followed up with the B.M and then the siding.....

the fan fold acts as the stop against the cold bridging....

[note: use of U.S size denotations and spellings]