Sikaflex 221 gray?
Is it okay to use the Sikaflex 221 gray to caulk exterior awning and other exterior areas where gray is preferred(not rated UV). The 721 UV seems to come only in white. We intend to do some work tomorrow.
T & Gail
2015 Airstream Interstate Ext
2005 34'Classic- Mercury (Goddess of Travel)
2004 Yukon Denali, 2016 GMC 2500 Denali-Duramax Diesel