We are about to start renovating our small lake house that will eventually be our primary residence. It's a 1100sqft 1960's concrete block house with a metal roof and tons of old, metal casement windows - inefficient, but we love them. The cost & wait time to replace all of these custom size windows has made us decide not to replace them + our HVAC unit already handles the temps just fine.
1/2 of the house is an open living room / kitchen, the other half is a 2 bed with 1 Jack & Jill bathroom. We are planning to vault the ceiling in the LR, replace all of the paneling with sheetrock, stone veneer and re-side the gable ends with Hardie board and batten.
We plan to remove all of the old fiberglass blown-in insulation. Question is, do we spray foam and incapsulate the attic or go back with fiberglass? If we go with fiberglass, we'd prefer to have a ridge vent instead of a gable vent but we were not planning on re-roofing this round - but we could. We are also replacing all of the fascia, soffit & siding so, we would not go back with soffit or gable vents if we foam.
We are in East TX. If we use open cell foam, is moisture migrating to the roof deck a real concern? We have a variable speed HVAC that dehumidifies and the kitchen and bathroom fans vent outside. Should we consider conditioning the attic space with a vent if we go foam?
Obvious cost differences aside, are there any reasons not to use foam?
1/2 of the house is an open living room / kitchen, the other half is a 2 bed with 1 Jack & Jill bathroom. We are planning to vault the ceiling in the LR, replace all of the paneling with sheetrock, stone veneer and re-side the gable ends with Hardie board and batten.
We plan to remove all of the old fiberglass blown-in insulation. Question is, do we spray foam and incapsulate the attic or go back with fiberglass? If we go with fiberglass, we'd prefer to have a ridge vent instead of a gable vent but we were not planning on re-roofing this round - but we could. We are also replacing all of the fascia, soffit & siding so, we would not go back with soffit or gable vents if we foam.
We are in East TX. If we use open cell foam, is moisture migrating to the roof deck a real concern? We have a variable speed HVAC that dehumidifies and the kitchen and bathroom fans vent outside. Should we consider conditioning the attic space with a vent if we go foam?
Obvious cost differences aside, are there any reasons not to use foam?