GREAT STUFF™ Multi-purpose Silicone is one part, moisture curing, 100% RTV acetoxy silicone. It is high in strength and extremely flexible.
What is a RTV Silicone?
In contrast to water-based sealants like latex, an RTV (Room Temperature Vulcanization) silicone sealant begins to cure immediately when exposed to air (specifically, the moisture present in the air).
What is the shelf life for GREAT STUFF™ Multi-purpose Caulk Sealant?
For an unopened tube: 15 months from the date of manufacture.
What type of substrates can I use GREAT STUFF™ Multi-purpose Caulk Sealant on?
Ceramic, fiberglass, glass, granite, laminate, marble, metal and more.
Please test your substrates before application. Substrates do vary with various manufacturers.
Doors and their rough openings
Ducting
HVAC Penetrations
Indoor/Outdoor Use
Windows and their rough openings
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