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Bifold doors are designed to operate optimally within a very tight tolerance, making it vital that they are installed perfectly level, plumb, and square.

However, the reality is that in the world of construction, perfection is rarely achievable.

So when things are slightly out of level or alignment, what adjustments can be made to ensure that the Bifolds work as they are supposed to?

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Most Bifolds sold today seem to end up in new ground floor home extensions, usually Installed before any internal plastering has been started.

When internal reveals aren’t plastered Installers have a choice to use a traditional through-fix method or the strap-fix method for securing the outer frame.

Regardless of which method you employ, it’s essential that you have a solid, well packed outer frame to securely hold the weight of multiple glazed panels. Read more

It might sound like a quick and easy task but, in reality, correctly measuring for Bifold doors can be a challenge.

And getting it wrong can be heart-breaking and costly!  In fact there’s probably not an Installer or Surveyor around that hasn’t mismeasured a window or Bifold at some point.

In the history of thresholds, it’s fair to say that no product has come under more scrutiny than the Bifold door threshold.

Perhaps it’s the fault of the industry for promoting all those sexy images of the seamless step from inside to outside that has lead customers to become fixated on this hitherto unnoticed detail! (Just think back to the old PVCu entrance doors where you almost had to take a run up to get over the threshold!)

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