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I am planning the winterization of a near waterfront home on the Massachusetts coast. The house is built on concrete pilings and sits roughly 10′ high. I have used R-19 with a Tyvek air barrier in lower crawlspaces subject to less wind. Any advice on options for air barrier, and comments on heat loss due to wind shear?
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John - are you saying you have R19 fibreglass in the joist spaces and just Tyvek under it - exposed to the outside air? Not questioning - just trying to get a clearer picture.
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Sorry for the lack of clarity. I have used the R-19 batts in joist bays, with Tyvek underneath as an air barrier in situations where the foundation wall protected the floor envelope from high wind, nesting insects or birds etc. In this application the bottom of the floor frame is the exterior of the building envelope and I want to insulate and protect this area without trapping moisture. Any clearer?
Thanks Bill.
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I am planning the winterization of a near waterfront home on the Massachusetts coast. The house is built on concrete pilings and sits roughly 10' high. I have used R-19 with a Tyvek air barrier in lower crawlspaces subject to less wind. Any advice on options for air barrier, and comments on heat loss due to wind shear?