BULDX / Structural Movement

Keeping expansion joints continuous from floor to wall

BULDX product guides5 October 20262 min read

Floor-to-wall joints need a coordinated change of plane. A floor cover and a wall cover selected independently may leave an incomplete corner detail.

AI-generated application context: Keeping expansion joints continuous from floor to wall — APPLICATION ILLUSTRATIONAI-generated application illustration for this guide. Not a completed BULDX project or an installation drawing.

Selection considerations

Follow the structural joint line through each finish and identify changes in substrate or floor level. Confirm whether the chosen family includes a corner version, connector or transition detail. Show the interface on a section rather than relying on two separate elevations.

Keep the movement space clear during finishing. Adhesive, grout or rigid trim bridging the opening can undermine the intended movement detail. Check the continuity of waterproofing and any required fire barrier separately from the visible cover. Order corner components with the straight lengths so the installation team does not improvise an unsupported transition.

Before you specify or order

Draw the change of plane
Include compatible corner components
Coordinate concealed barriers

Relevant BULDX catalogue examples

These records illustrate the product types discussed. Compare the full specifications before selecting; listing here does not establish project suitability or make the items interchangeable.

BULDX catalogue illustration of Surface Floor-to-Wall Corner Joint · 50 mm opening · 43 mm height · TPE, code BDX-EJ-FL-SFC-50-43-102-P2-N2-TPE — CATALOGUE REFERENCE`BDX-EJ-FL-SFC-50-43-102-P2-N2-TPE` · Selected corner configuration: lower drawing and second specification column. The upper straight-joint drawing is an installation reference. Specifications below apply to the selected corner and material. Consult the selected technical documents for dimensions and the approved fixing detail.

Product and code	Selected catalogue fields
`BDX-EJ-FL-SFC-50-43-102-P2-N2-TPE`Surface Floor-to-Wall Corner Joint · 50 mm opening · 43 mm height · TPESurface Floor-to-Wall Corner Joints	Joint gap 50 mm · physical opening Fb Profile height 43 mm · approximate H dimension Overall section width 102 mm · B dimension Horizontal movement ±2 mm · approximate Material Aluminium + TPE thermoplastic elastomer
`BDX-EJ-FL-RFC-150-28-227-P20-N20-TPE`Recessed Floor-to-Wall Corner Joint · 150 mm opening · 28 mm height · TPERecessed Floor-to-Wall Corner Joints	Joint gap 150 mm · physical opening Fb Profile height 28 mm · approximate H dimension Overall section width 227 mm · B dimension Horizontal movement ±20 mm · approximate Material Aluminium + TPE thermoplastic elastomer
`BDX-EJ-FL-RFC-200-43-304-P20-N20-AL`Recessed Floor-to-Wall Corner Joint · 200 mm opening · 43 mm height · ALRecessed Floor-to-Wall Corner Joints	Joint gap 200 mm · physical opening Fb Profile height 43 mm · approximate H dimension Overall section width 304 mm · B dimension Horizontal movement ±20 mm · approximate Material Aluminium

Browse the complete Structural Movement catalogue

Common question

Can a straight floor profile finish against a wall without a corner detail?

Only where that termination is documented and approved for the selected assembly.

References and scope

BULDX catalogue: Structural Movement

Product fields are from the BULDX catalogue. Confirm the current selected drawing, supporting performance documents and approved project detail before ordering. External references, where listed, provide background guidance and do not certify these products.