True felt tar paper / grade D paper
As Martin has written many times, “felt paper” used to be made from rag, but is now made from paper. Thus when it gets wet it gets super weak.
Is there a brand or source of “true” felt or synthetic “tar paper” in grade D, saturated felt, for use as a stucco underlay. What would this “better stuff” be called, and what certifications would it have? Is ASTM D226 the right certification? Are the words “organic felt” the right words to indicate this resilient quality? Does such felt still retain the quality of increasing perm with increasing moisture?
It’s wicked expensive to ever tear stucco off, seems worth an investment to get really good stuff under there.