Are the more exotic WRB’s any better than Tyvek?
I am in the middle of framing a house. I last minute opted out of Zip System for sheathing and have started in with CDX ply.
I have a few questions now. For airtightness I was planning to tape the seems of the ply, but was wondering if it would be a better idea to just tape all the seems of the WRB instead? Is this as good as taping the plywood from an air barrier perspective?
I’m also curious about how “worth it” some of the different brands of WRB’s are. I priced out VaproShield IT and it looks to be 3x the cost of tyvek. Solotex Mento looks to be about 2x the cost.
Why are these products so much more and how are they justified over Tyvek?