Browse Forums Renovation + Home Improvement DIY, Home Maintenance & Repair Hi everyone Question about Brevis gas heating undergound - was recently installed by previous owners (<1 year old) but live in a relatively large house - 4 bdr - and only… 0 12223 Make sure that the weep holes are clear and free to drain which should be on the underside of the sill, provided that the window is the right way up, 5 7873 DIY, Home Maintenance & Repair It looks like they have used rigid sealant in the gap. You are supposed to use flexible sealants in filling this gap to allow for expansion and contraction movement… 1 11547 |