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If it stays like that you'll be getting more pet slugs than you probably want
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Lack of seal shouldn't be a problem - the design should be such that water is not getting down there in the first place. Sealant should be the defense of last resort, not the front line. You could always put some sealant in there is you're worried, I suppose.
Worth checking with the builder / installer in any case. And with the manufacturer, as they will likely have specific installation instructions.
Is the DPC a problem? It's not as if the bifold can get damp. There seems to be plenty of room to wedge it through though.
rhowe
NotThamesWater
@ILb
Thanks for windowsill feedback, we might just go for a standard sill to match the rest of the house and make life simple.
I've been having a closer look at the (ongoing) install of our bifold. Feeling a wee bit concerned when the installers and builders are acting as though the job is all but completed.
What I think is damp proof membrane is partially installed under the door threshold but a large section of it is lose and has little hope of being tucked under. Also shining a torch from inside reveals that there seems to be no seal at all under the threshold between outside and inside. Finally, if anyone has any thoughts on the best practice to fill the void where the new flooring will eventually sit I'd love to have something to compare with whatever plans the builders come up with.
How concerned should we be ?
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