PDF R-38C EcoTouch PINK Fiberglas - Roofing, insulation, and...Knauf insulation R38 EcoBatt is high density.
The storage building is a learning experience.Mark and I agreed that we should put in as much insulation as possible despite the cost.You have to plan for your insulation needs from the beginning.The map and chart at the top of the page show EPA's insulation recommendations for new wood-framed homes when heating with gas, heat pumps, or fuel oil.They don't give you an option for heating with wood, and recommend more insulation if you heat with electricity.We should have at least R30 in our ceiling and R13 in the walls because we are in their zone 4.Both are easy, but the former is an issue.If you're using fiberglass insulation, you need thicker wall or ceiling cavities to fit more insulation.If you cram R19 into a 2X4 wall, you will get less insulative value than you would get with a lower rated batt insulation.We can only put in R19 insulation up there because the rafters are only 5.5 inches deep.We were able to increase our ceiling insulation to R30 by extending our rafters with two by fours.For future reference, here is the insulation depth you need.
Our building project has been very tolerant of my learn-as-we-go mentality.shun the fault I fell in for those who might want to try their hand at building.
Don't forget to put a barrier in the loft.When it gets damp, the preformance of most materials drops.You can also get mold problems.
Humans in the Netherlands can be seen as bags of dirty water due to the addition of a moist barrier on the inside of the insulation.It might be different for a wooden building.You should check your local building code.
P.S.Cans of spray foam are great at keeping drafts out and adding insulation.
You might get more mushrooms if you don't seal the cracks.That is inside.
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