GE Silicone 2, 10.1 OZ, Light Gray, Silicone + Window & Door Caulk, 100% Silicone 100% Waterproof Sealant, Rain Ready In As Little As 30 Minutes, Ideal For A Wide Range Of Projects Exposed To Harsh Weather From The Attic To The Basement, Permanently Flexible With A 10 Year Mold Free Product Protection, Will Not Discolor Most Metal Finishes & Adhere To Porous Materials Such As Brick & Mortar, Guaranteed For As Long As You Own Your Home.