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Home/Glossary/Bifold Doors
Construction & Structure

Bifold Doors

Large glazed door systems comprising multiple panels that fold and stack neatly to one or both sides of the opening. Popular in kitchen-diner extensions because they create a wide, unobstructed opening between the interior and a garden or terrace. Bifold doors require a structural beam or RSJ above the opening to carry wall loads; their weight also demands robust floor construction and reinforced thresholds.

Related terms

RSJ / Steel BeamDouble / Triple Glazing UnitAluminium Window / Door Frame
Bifold Door Track / ThresholdBill of Quantities (BQ)

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