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conservatory- 2 sides full height glass , one side full height cavity wall

bit more info - it would be dpc on current brick course(to match house) then one more brick course, then cony floor dpm on top of that

my cony brickwork is upto existing house dpc level, but due to garden levels i would like to build up by one more course, this would mean the cony floor would finish higher than the existing house dpc is this ok to do ? i have bitumined the brickwork upto exixsting dpc level and would keep the...

cheers for your help that sounds a plan Anymore advice is welcome tho

i cant lap it over the dpc as it would mean grinding it out etc wich would damage the existing dpc. my floor level was going to be at the same level as the existing dpc, is this not a good idea ? could i have floor level higher than existing dpc if the dpm finishes at a higher level ?

ok thanks for your help, its cleared the issue up.

i meant could it travel up the edge of the new dpm to the level it was cut off to ? this edge is the one that is adjacent to the existing house wall . im bit concerned as a friend did the same and he has damp along this edge cheers

how do you mean defective ? could damp not track up the edge of the new dpm, which would be above and below (as it runs past vertically) the existing dpc in the house wall ?

hi all , i have searched about this issue but am still not clear on a true answer ! so, i have built walls for my cony upto dpc level, to match existing house dpc. where the cony meets the existing house wall (now internal) i was going to lap the dpm up the wall to just above dpc, then when...

cheers guys for your help

thanks for replying i wont bother with cavity trays as should be ok, but it worrys me about cutting through the outer skin, it must weaken it , and my house was thrown up (persimmon) so would be dubious on amonut of wall ties ! are there any alternatives to cutting a dpc in ?

anyone !?

hi all, i need to know if vertical dpcs are really needed for adding conservatories to the back of my house, it will have two walls of full height glass pannels and one will be a cavity wall, i dont like the idea of cutting through the outer skin as it must weaken the wall , and if the cony was...