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finalizing my insulation choice?.

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Forum topic by jeff posted 05-02-2011 09:31 AM 1064 views 0 times favorited 6 replies Add to Favorites Watch
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jeff

988 posts in 2929 days


05-02-2011 09:31 AM

finally sheathed one side of my shop roof today…used H-clips also,they are a bugger working alone…if i were to use styofoam baffles between the 2×6 rafters to allow air flow,can i use r-19 insulation?...and do i need to cut bird holes in my blocking?...any holes need to be cut in my ridge board to allow air movement over to the other side of the roof or any other vent’s needed?...again my roof is 2×6 rafter/24”OC/with ridge board,no attic space…as far as environment im located in Tucson Az.,very dry,with high humidity later in summer during monsoons…again thx to all for the comments on my other posted topics concerning my shop/roofing questions…

-- Jeff,Tucson,Az.


6 replies so far

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ScottN

261 posts in 2144 days


#1 posted 05-02-2011 10:45 AM

You’ll need to go with a ridge vent system. Any pics???


-- New Auburn,WI

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jeff

988 posts in 2929 days


#2 posted 05-02-2011 11:37 PM

thx scott…i have thought about a ridge vent…

-- Jeff,Tucson,Az.

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jeff

988 posts in 2929 days


#3 posted 05-03-2011 02:51 AM

so i think i will go with a ridge vent,birdholes in the blocking and will have to create some space between the roof decking and insulation with styrofoam baffles…thx to everyone with your helpful comments…i have to figure out how to post pics to show the progression of my shop redo…

-- Jeff,Tucson,Az.

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Grandpa

3256 posts in 2140 days


#4 posted 05-03-2011 04:32 AM

Yes you can use the R19 insulation and in Tucson you will need it. The air chutes or baffles will compress the insulation and allow the air flow. Use plenty of ventilation in the soffits and the ridge vent will work great. If you don’t the shingles will looked like they have been boiled in the Tucson heat. I was at DM in the early 70’s and I only remember a few cool days. I have a ridge vent on my house. If I use vinyl soffits I use 100% perforated. I like the screen type. I really like to use a screen that cuts the soffit into 2 pieces and goes continuously around the building then you need solid air chutes. You will not over ventilate.

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jeff

988 posts in 2929 days


#5 posted 05-03-2011 05:58 PM

Grandpa,thx…yes it is hot here in Tucson during the summer,but it’s a dry heat LOL…

-- Jeff,Tucson,Az.

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jeff

988 posts in 2929 days


#6 posted 05-15-2011 08:28 AM

little update on the progression of my shop…i finally finished the shingles yesterday…today i installed the ridge vent…the vent is from Lomanco,model # LOR9-4 Shingle Over Ridge Vent…i basically followed the installation directions and actually it was an easy install…all i can say is i’m glad i completed the roof now before the Tucson summer is upon us…i will have to add a number of birdholes to vent the roof…next is the electric and insulation…slowly but surely it’s coming along…thx again for all your help.

-- Jeff,Tucson,Az.

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