 SparkChaserAvatar is not a SparkPremium join:2000-06-06 Downingtown, PA kudos:3 Reviews:
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| reply to dj_figgy
Re: Insulation Question I'd be more concerned about the vent. Moisture in the attic is going to cause many problems beside lower the insulation R factor.
If you have R-38 blown in and batts on top of it, it is probably already R-49. I don't know the weight of cellulose insulation. It's been 20 years since I looked at it but if it's heavy it could compress your other insulation and decrease the effectiveness of it.
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