: Some regional listings for Dow Super Tuff-R still exist on their site, typically for the 0.5-inch or 0.75-inch variants, though availability is highly dependent on your local zip code.
: Historically the primary retailer for Super Tuff-R. While currently listed as "Out of Stock" or "Unavailable" in most regions online, local stores may occasionally have remaining inventory or can check if a special order is possible through their vendor. where to buy dow super tuff r
If you are looking to purchase this or its modern equivalents, here is where to look and what to use instead: Where to Check for Remaining Stock : Some regional listings for Dow Super Tuff-R
: Companies like Distribution International and Spi-Co specialize in commercial-grade insulation and are more likely to have access to polyisocyanurate (polyiso) boards like Tuff-R. Recommended Replacements If you are looking to purchase this or
Since Super Tuff-R is becoming rare, DuPont and professional contractors recommend these alternatives: DuPont™ Tuff-R™ Polyisocyanurate Insulation
While (now often labeled as DuPont Tuff-R ) was a staple for high-performance insulation, it is increasingly difficult to find as the product line has been largely discontinued . Most national retailers no longer carry active stock, though it sometimes appears as "old stock" at specific regional outlets.
: This regional supplier in Massachusetts has recently listed DuPont Tuff-R Foil Faced Se Polyisocyanurate Insulation (the direct successor) in various thicknesses.