Quote Originally Posted by marines542 View Post
Interesting info....maybe why the calking I did awhile back only held for a couple months....can polyurethane calking a and window weld with stand the heat the sun produces up there
i used it on metal copings that flex in wind and expands with heat and cold, brick to metal, windows, if i was in a pinch, right on a EPDM ( rubber roof) or hot tar or modified roofs. as well as right on shingle roofs. stuff sticks like mad.


is that hot enough for ya? lol