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faqs
How long will Stego Wrap last?Indefinitely. What are some of the problems associated with older generation vapor retarders?
Four reasons to change your spec. What are the most important qualities of a vapor barrier?
The top 5 What are the uses for Stego Wrap?
Any application where a high strength, low permeance durable plastic sheeting is needed. What is Stego Wrap?
Stego Wrap 15-mil is a new generation true Vapor Barrier, not a vapor retarder.... What is ASTM E 1643-98?
"Standard Practice for Installation of Water Vapor Retarders Used in Contact with Earth or Granular Fill Under Concrete Slabs." What is ASTM E 1745?
A standard you should know about. What is so great about Stego Wrap?
Virtually zero water vapor transmission rate and high puncture resistance. What is the difference between Stego Wrap and the vapor retarders that I have been specifying?
Older generation vapor retarders/barriers fall into four categories... What is the difference between a vapor barrier and a vapor retarder?
To be considered a vapor barrier, testing results from ASTM E 96 must state a water vapor transmission rate (WVTR) of 0.00 grains/hr/ft2, or 0.01 perms. A vapor retarder is classified by ASTM E 1745 as a plastic material having... Why can't I just use 6 mil or 10 mil Visqueen as my vapor barrier?
Visqueen is made from low grade resins and recycled materials. Most Visqueen, does not comply with a permeance rating of 0.10 or better, lacks the puncture resistance needed and most likely will deteriorate over time. It's a waste of time... Why is independent testing of vapor retarders/barriers important?
Independent testing proves by an independent source, that products conform to the testing criteria established by a testing society, usually the American Society for Testing Materials (ASTM). Stego Industries believes very strongly in independent testing. Words on a piece of...