Housewraps are moisture barriers, or water barriers, or rain barriers because they keep actual drops of water out of the building wall cavity, but they do not trap the much-smaller individual molecules of water H2O - water vapor. Housewrap is a moisture barrier that also serves as an air...
Mike,your point is a good one. Tyvek themselves now recommends against using their tape on rigid foam board. From what I have read, they recommend against it’s use because the tape is made specifically for Tyvek wrap and does not expand and contract at the same rate as the foam board ...
They’re using some newer sheathing that actually has the sealant already applied to the sheets (rather than having to wrap the house afterwards with Tyvek). After it’s up they only have to use special tape to tape all of the seams and it’s supposedly waterproof for 3 months (without ...
Next you’ll want to install a piece of metal drip cap flashing above the ledger board. When you install the floor joists you’ll need to make some small cuts in the flashing to allow the top of the joist to line up with the top of the ledger board. Make sure the house wrap is l...
The house and basement timber walls are wrapped on the exterior with Tyvek. The concrete had tar sprayed on it, and footing area has drainage pipe against it. The above article will help me with the concrete area. I was wondering about the wood frame area. It is basically siding, wrap ...