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Failing that, grind that out, back fill the gap (backing rod / expanding foam etc) then apply a good quality external
sealant (from soudal etc)
Howard-
@Howard for this particular case would you recommend a silicone like:
https://www.toolstation.com/evo-stik-weatherlock-frame-silicone/p84765
https://www.toolstation.com/bostik-s41-window-door-frame-silicone/p90711
Or an adhesive & sealant (polyurethane based) like:
Also if they have backing rod on tools station or screw fix? Any in particular you would recommend? Keen to get all in one trip as time is limited atm with a 5 month old ðŸ«
frankohara
How shall I re-seal the frame of that alu bifold door to avoid water sneaking in above the damp proof membrane? Installers just used some concrete or concrete based render but being quite rigid it cracks and falls with door use (door catches more than I would like it) Shall I just add some external sealant? Any suggestions @Airhead