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Is a Flush or a Raised Threshold Better for Bifold Doors?

What Is A Door Threshold?

A door threshold extends along the base of an external door entry way, it is fitted on top of the door sill, which is itself installed on top of the floors foundation. The purpose of the threshold is to provide weather resistance by stopping the elements from getting in from the outdoors. Therefore, selecting a threshold option is a trade-off between the height of the threshold and the level of weather resistance the bifold doors can offer.

Flush Thresholds for Bifold Doors

Flush thresholds allow you to fit a continuous floor under the door frame without the need for any kind of step to get outside. While flush thresholds allow for easy movement between the inside and outside as well as aesthetic advantages, there is a reduced level or weather resistance. For example, a flush threshold for your bifold doors might not be as good at stopping a water flow.

flush threshold patio doors

Raised Thresholds for Bifold Doors

A raised threshold is the most common door threshold and it can come in a number of heights depending on the environment. The threshold for your bifold doors could only be needed to keep out draughts, but it might also be needed to stop snow or heavy rainfall from entering a property, which would require a greater threshold height.

bifold doors with raised threshold in new zealand

Therefore, when choosing a threshold for your new doors it is worth considering how exposed the doors will be to the elements, but rest assured bifold doors from Reynaers at Home come with four threshold options to suit all levels of weather exposure – with the best weather-proofing coming as the threshold gets higher.

 

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Interested in Reynaers at Home products?

If you are interested in any of the Reynaers at Home aluminium systems for your home project, we have a network of dealers throughout the UK that can advise on product choice and installation. Select one of the options below to find out more:

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