The sample can be placed in the ground and worked with to fully understand the relationship between the height of masonry that will support the threshold and internal and external levels.
Bifold door threshold detail.
Download profile sight lines and technical details for visofold 1000 bifold doors.
A low threshold is ideal for internal bifolding doors such as between your house and conservatory as it is only 15mm high and if necessary can be sunk into the floor to provide a flush floor level.
The weathered threshold provides a rebate for the doors to seal against ensuring full protection from the elements.
The solution is to fit the appropriate threshold in the location.
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Bifolding door threshold choices.
Low threshold detail download 67 kb bottom running gear download 103 kb.
Marlin provides a free sample of the chosen bi fold or sliding door system threshold which allows the builder to work with a physical piece of the actual profile.
This is an upstand that is designed to create a physical barrier against any water entering the inside.
Most common door thresholds on all types of doors have a rebate.
Bifold door thresholds the best threshold is one which provides a smooth entry from outside to inside.
It also plays an important role in keeping the doors sealed.
Recommended for external applications and usually fitted onto a projecting cill.
Our aluminium bi fold doors are entirely custom able to fit into openings of any size and are available in a huge range of opening configurations.
Don t forget to think about bifold door drainage.
Thinking about draining options is necessary with external bifold doors as an adequate drainage function is required to channel water away from the threshold during instances of rain.
From technical drawings and specification sheets through to door and window installation guides.
Another element to keep in mind when you re considering the setup of your bifold doors is the drainage.
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Outer frame head.
The weathered threshold is designed for external bifold doors and will normally sit on top of a projecting cill.