No Access To Attic. How Can I Tell How Much Insulation I Have? - Insulation - DIY Chatroom Home Improvement Forum

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Old 03-22-2013, 11:10 AM   #1
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No access to attic. How can i tell how much insulation i have?

This addition was built in the mid-70s. Wood frame, Harding-plank siding. The roof is very low pitched. It has gable vents on either end, but I cannot remove them or see into them to see if there's any insulation in the attic, or how much. There are no access hatches, not on the closets or anywhere. Maybe i could remove a light fixture and stick my iphone up past the electrical boxand take a photo. Any ideas how to see if there's insulation up there? It does get hot in the summer..... Maybe I should just blindly blow in some more. Ideas?


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Old 03-22-2013, 11:27 AM   #2
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The house I'm living in now also has two low pitched roofs that someone in the past used shingles on.
We need a new roof anyway and I can see some sagging in the sheathing so I'm going to just wait until I redo the roof and pop off some of the sheathing and shoot it in from the top.


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Old 03-22-2013, 02:12 PM   #3
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do not blindly blow in insulation. It will be a waste of money, time, and potentially cause serious problems. Why not clean out a closet for a day, cut yourself an access panel(near the middle of the house), and inspect. Purchase an 8' piece of trim, tack it up around the area you cut, caulk the outside and weatherstrip the overhand, and close it up. Now you have access whenever you want and you can see what issues you truly need to addess.
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Old 03-25-2013, 08:52 AM   #4
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I would cut a hole or use a fiber optic camera.

They sell them at Home Depot and Lowes. Drill a small hole and start looking around.
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Old 03-25-2013, 01:34 PM   #5
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Yeah, or cut a hole and see how much insulation falls in your face, then stick your I-Phone up there and snap away. You could also use a digital camera. Just select timed exposure, AV mode and set your iso pretty high, set your aperature (F-Stop) to like F8 and shoot away.
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Old 03-25-2013, 02:22 PM   #6
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Originally Posted by asinsulation View Post
Why not clean out a closet for a day, cut yourself an access panel(near the middle of the house), and inspect.
that's what I did in my place. we had no access so I made one. I then discovered we had about 4" of blown in insulation. We're gonna be adding to that ......



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