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Advice for attic refinish ceiling

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Forum topic by kcrandy posted 07-02-2009 09:56 PM 1149 views 0 times favorited 6 replies Add to Favorites Watch
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kcrandy

285 posts in 2895 days


07-02-2009 09:56 PM

Topic tags/keywords: attic remodelling

I have a nice attic space I want to refinish about 14’ x 12’ which is under the pitched roof, i.e. an A-Frame type space. A couple of questions. The roof is clay tile. I have inuslated between the rafters and am now contemplating what to use to finish the ceiling. I’m lookin at tongue and groove pine, either eastern knotty white or yellow. I can get lengths up to 14’ so won’t have seams. Any recommendations on what pine to use or suggestions for other materials?

I’m also unclear on whether I should sheeth first or nail the tongue and groove slats into the rafters. I’ve heard that clay tiles roofs should breathe, but have I already messed that up with insulation. On the other hand, I hate to have no insulation since the space needs to be heated and cooled for habitation.

Advice appreciated and thanking you for it.

-- Caulk and paint are a poor carpenter's best friends


6 replies so far

View TopamaxSurvivor's profile

TopamaxSurvivor

17669 posts in 3139 days


#1 posted 07-03-2009 10:03 AM

All enclosed spaces need to breathe. the price is dry rot if they don’t.

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View Julian's profile

Julian

880 posts in 2988 days


#2 posted 07-03-2009 04:16 PM

You better make sure to use baffles between the roof sheathing and the insulation, unless you want it to rot. There needs to be airflow between the insulation and sheathing!

After you fix your first mistake, then you can either sheet the ceiling first or just put the tng boards right on the rafters.

-- Julian, Park Forest, IL

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a1Jim

115202 posts in 3040 days


#3 posted 07-03-2009 05:29 PM

I’m with Julian you need some baffling and eave vents. If you sheath it you will have more to nail to.
A good place to look for building answers is Finehombuilding .com I still us it after 20 years as a contractor.

-- http://artisticwoodstudio.com Custom furniture

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kcrandy

285 posts in 2895 days


#4 posted 07-06-2009 04:55 PM

I’ve just learned from my roof person that we can get vents that look like clay tile but provide venting system for 100 square feet of roof area. So I’ll be able to provide proper air flow from the roof itself instead of underneath. www.ohaginvent.com provides these special pieces.

-- Caulk and paint are a poor carpenter's best friends

View Grandpaw's profile

Grandpaw

21 posts in 2762 days


#5 posted 07-06-2009 05:58 PM

why would you want them to look like cray tile?

-- Carving

View TopamaxSurvivor's profile

TopamaxSurvivor

17669 posts in 3139 days


#6 posted 07-06-2009 08:59 PM

The roof vents still need a source of air, like holes along the eves and the insulation not blocking by being tight against the roof. Most roofs and attics are under vented. If you put in twice what they recommend you’ll be ok. We had a 50 yr metal roof put on that was supposed to be vented at the ridge. When I saw the size of the holes for air flow, I made them open up my old roof vents too.

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

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