Recent content by JohnWils

Excellent, thanks to all for your input. Anything else feel free to add. Thanks, JW

Thanks Tony, that's really helpful. Will try looking at the manufacturer info. In the meantime, any other input appreciated. Thanks again

The doors operate fine. But that's not what I'm trying to get at. As with most structural elements, there are BS and/or approved docs that specify limits and detail. I need to know what the permitted deflection is and where this information is set out. Thanks

Morning all, Thanks for your replies. Bit of a long story but in short. Had plastic bifolds fitted and there is a small bow of 2 - 4mm in the top of the outer frame. Now this may be totally fine. But I need to know which British standard or doc covers this. Thanks

Thanks for answering Paul, I mean the actual outer frame of the door, dipping in the middle.

PaulG31, I've posted a post re: bifolds and deflections, and you seem knowledgeable about this kind of thing, would you mind taking a look and seeing if you could help me out at all? It's in the building regs forum. Thanks

Hi all, Been searching for this info for hours without success and ended up here! My question - upvc bifold doors, what is the max dip (deflection) allowed in the outer frame, top of the outer frame? Does anyone at all know the answer to that one and the BS or reg that specifies it. Would be...