What is the threshold on a UPVC door?

A threshold for traditional uPVC doors is located at the foot of the door itself to provide a weather-tight seal from the elements.

What is a standard door threshold?

The height of thresholds can vary anywhere from 1/4″ tall to 1″ or more. ADA requirements may restrict the height of the threshold to 1/2″ tall and a gradual incline no greater than 1/4″ in vertical rise. Thresholds can be supplied in widths from as small as 2″ wide up to 10″ or more.

What is a low Ali threshold?

The low threshold is suitable for disabled and wheelchair access and is Part M compliant. The pvc threshold means you will have a four sided door frame with the frame along the bottom, when your door is open you will have around 72mm of frame to step over.

Does a UPVC door need a Cill?

Not usually needed, because you already have a cill to disperse water! The PVCu cill may be considered by some as an unfortunate, unsightly method of raising the window so that the internal view of the frame is fairly even all around…!

What is the purpose of a door threshold?

The purpose of a threshold is to close the gap between the bottom of a door and the floor, preventing dissimilar floor materials. Thresholds are used with door bottoms and weatherstripping to seal the opening, preventing air, rain, and snow from entering.

What is a low frame threshold?

The threshold is part of the structure of the door which separates the outside form the inside. So, with a low threshold, the bottom half of the frame would need to be reduced to create this, making this around 12mm in height.

What does a low threshold mean?

The point that must be exceeded to begin producing a given effect or result or to elicit a response: a low threshold of pain.

Can you cut the bottom of a UPVC door?

‘ In theory, the answer is yes. The solid bottom rail allows for alterations if required. Cutting down a composite door however, can negatively impact its performance. We advise our customers that cutting down composite doors can be done but it is not recommended.