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Old 09-12-2020, 02:15 AM   #1
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Should this be touched?


Currently replacing the fascia board and I noticed one of the eaves ... between its rafters is not blocked off like the rest of them.

This room in the house does not have any crawlspace and has a vaulted ceiling.

With that being said did the builder purposely leave this block out in order to provide some form of airflow in what is other wise a sealed off ceiling stuffed with insulation?

Should I add a block between the rafters for added strength?

Thanks in advance!
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Old 09-12-2020, 02:16 AM   #2
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Re: Should this be touched?







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Old 09-12-2020, 05:50 AM   #3
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Re: Should this be touched?


I'm guessing you are in a hot climate. Add a nearby big city to your profile so we won't have to guess.

In most cases it is beneficial to have ventilation from soffits to ridge but sound like you have neither low or high vents? If what you have is working I would tend to leave it alone. Your climate will help.

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Old 09-12-2020, 10:11 AM   #4
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Re: Should this be touched?


I am in Southern California. The rest of the home does have OíHagan and dormer vents but this particular room does not.

Originally wanted to add the additional blocking between that one rafter but perhaps itís been left like this for a reason? Alternatively, I could also blow a little bit more insulation in there before I close it up with the fascia board.


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Old 09-12-2020, 10:34 AM   #5
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Re: Should this be touched?


Well, I've been reading as your climate is totally different from Maine and the north in general. Basically I could not find an article from the building science groups discussing insulation filled rafter cavities in a hot dry climate. Lots of articles for cold or humid climates. That leads me to conclude it isn't much of a problem.

Afraid I would be guessing to offer advice.

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