ShaunCorbs Super Moderator Staff member S. Mod Plumber Gas Engineer Subscribed Messages 34,362 Solutions 2 Apr 20, 2022 #41 Aslong as it’s low expansion your fine I use it
Scott_D Esteemed Plumber Gas Engineer Subscribed Messages 6,131 Apr 20, 2022 #42 I use a bit of foam to hold it in place, then cement over the top once dry