Choosing sliding doors
Sliding doors shape how an extension connects to the garden. Material, threshold and glass size all affect daily comfort.
Large sliding doors are popular because they bring light and views, but the best choice depends on orientation and use.
A beautiful door that overheats the room or creates a cold threshold is not a good result.
Material choices
Aluminium is slim and stable, timber is warm and traditional, and uPVC can be cost-effective.
The frame material influences sightlines, maintenance and price.
Threshold and usability
A low threshold improves the garden connection but needs correct drainage and detailing.
Door weight and opening direction matter for everyday use.
Glass and sun
South-facing glass may need solar-control glass or shading.
The goal is daylight and views without summer overheating.
Summary
Choose sliding doors as part of the whole extension design, not as a separate product at the end.
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