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Building wrap is used as an infiltration barrier. Before materials like Tyvek were widely available, tar paper was used as appears to be the case with your home. Materials like Tyvek superseded tar paper because their lighter weight allows wider rolls and thus more efficient installation. But tar paper is fine. As with building wrap, proper installation is ...


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Walls don't need to breathe--people do! What these people mean is that it is important for walls to be able to dry out when they get wet; that they should not trap moisture. This is true, but is only orthogonally related to "breathability." In practical terms, what this means is that in reasonably moist climates, you want a wood-framed house's wooden ...


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Being that you are on the upper east coast, I would say yes if you do not currently have a house wrap. This will decrease moisture/air issues and is a good bang for your buck. I also agree with Ecnerwal - the siding is its own thing - you really need both. If the siding company tells you that you don't need it then it is possible that they believe you ...


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Whether or not you want it has nothing to do with siding. It makes no difference to the siding. The point of housewrap (brand-neutral) is that it is vapor-permeable air-barrier - as such it can reduce drafts and air movement, and thus potentially reduce your heating and/or cooling costs.


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I guess the first question would be if you have a engineered truss system or ceiling joists; they aren't the same thing (as I've learned). Is there livable area on top of the garage or an attic/loft? If they are just ceiling joists you can drill a hole right through the middle of the joists (don't cut out notches). I've done 3/4 inch holes with an auger ...


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75% sounds like the upper end, I don't really know. I will suggest using sand, 1/4" minus or fines, shown as the 1" of sand in the picture. The 3/4s is for drainage, 1/4 or sand is so you can set them properly allowing for deviation of materials. Delivery is expensive, buy a little extra. Or build back up what you've lost by adding the sand topping. Sand you ...



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