Questions and Answers for Henry 208 Wet Patch Black Roof Leak Repair Sealant Caulk 10.1 oz.

A:  Eric, Henry 208 Wet Patch DOES NOT CONTAIN ASBESTOS. It may have early in its infancy but has not contained asbestos in at least 20 years.

A:  Jenny, we produce the Henry Wet Patch products as good, better, best in quality and also in price for the customers to choose the best one for their needs. Here are the differences: Henry 208 can be used at temperatures as low as 20 degrees, has cellulose fibers and a 7 year warranty. Henry 208R can be used at zero degrees, contains rubber fibers and has a 10 year warranty, Henry 209XR can be used at -20 degrees has very high rubber fiber content and a lifetime warranty. Hope this helps with your question.

A:  Fred, Henry 208 Wet Patch is a very thick trowel grade patching product for specific holes, splits, cracks, seams and for any roof penetrations. Henry 208 is not meant to be used as a coating and would not spread well if a roller were used. The coverage of a gallon of Henry 208 is 12 square feet if applied at 1/8" thick.

A:  Casy, Henry 208 Wet Patch can be applied in temperatures as low as 20 degrees. 208 will cure even at that temperature. The curing process is a slow gassing off of the solvents over a period of at least 30 days or more.

A:  Michael, although we have not tested Henry 208 for your kind of project, we would have to say that the joist tape would probably not adhere to the Henry 208.

A:  John, Henry 208 is an asphaltic base in a solvent system. Henry 208 would not be compatible with plastic. You could use Henry 900 Construction adhesive and flashing sealant or Henry 884 TropiCool 100% Silicone sealant for your project. As in most things you will need to make sure that the surface is clean and free of debris in order to get a good bond.

A:  John84, the main difference between Henry 208 and 208R is the fiber content. Henry 208 contains cellulose fibers whereas Henry 208R contains rubber fibers. The rubber fiber gives the 208R a better ability to expand and contract with the thermal changes that take place on your roof. Henry 208 can be used at 20 degrees and 208R can be used at 0 degrees. Henry 208 has a 7 year warranty and 208R has a 10 year warranty.

A:  Edm 1, we do not recommend the use of any solvent based leak stoppers on a silicone coated roof. To repair leaks on a silicone coated roof you can use Henry 885 100% Silicone Seam and Repair Roof Sealant. It is always a good idea to do a few test areas to check the adhesion of the roof sealant prior to use.