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The details illustrated will meet most conditions likely to be encountered but the principles shown should help with any unusual situations. Drawings are extracted from the 120 page publication COPPER ROOFING - IN DETAIL. This also includes tables and other information needed to design and install fully supported sheet copper roofing in accordance with current good practice: click here for further information.

LONGITUDINAL JOINTS


Fig 1	Hand-formed double-lock standing seam

Fig 2	Roll-formed profile trays

SEAM ENDS


Fig 3	Turned-down standing seam end

Fig 4	Concave-form seam end

Fig 5	Chamfer-form seam end

Fig 6	Square-form seam end

'TALL' UPSTANDS


Fig 7	Hand-formed double-lock standing seam

Fig 8	Roll-formed profile trays

'SHORT' UPSTANDS


Fig 9	Standard straight dog-eared upstand

Fig 10	Pre-formed straight dog-eared upstand

Fig 11	Turned-down seam upstand

HORIZONTAL ABUTMENTS


Fig 12	Pinched seam upstand against horizontal abutment

Fig 13	Pinched seam ventilated upstand against horizontal abutment

LATERAL JOINT


Fig 14	Double-lock standing seam junction with hand-formed double-lock cross welt

Fig 15	Double-lock standing seam junction with pre-formed double-lock cross welt

Fig 16	Double-lock standing seam junction with drip-step

Fig 17	Double-lock standing seam junction with lap-lock cross welt

CORNERS


Fig 18	Double-lock standing seam at external corner

RIDGES AND HIPS


Fig 19	Double-lock standing seam to batten ridge or hip

Fig 20	Double-lock standing seam to ventilation ridge

Fig 21	Double-lock standing seam to T-seam ridge

Fig 22	Double-lock standing seam to standing seam ridge

Fig 23	Double-lock standing seam to ventilated monopitch roof over direct-fixed cladding

VERGES


Fig 24	Double-lock standing seam with batten verge over direct-fixed cladding

Fig 25	Double-lock standing seam with standing seam verge over brickwork

EAVES


Fig 26	Double-lock standing seam at eaves with roof pitch up to 20degrees

Fig 27	Double-lock standing seam at eaves with alternative fixing plate for eaves strip

Fig 28	Double-lock standing seam at eaves with roof pitch at and over 20degrees

Fig 29	Double-lock standing seam at eaves above direct-fixed cladding

PITCHED VALLEYS


Fig 30	Double-lock standing seam at recessed pitch valley gutter

Fig 31	Double-lock standing seam at pitched valey with tilting fillets

Fig 32	Double-lock standing seam at pitched valley with standing seam edges

Fig 33	Double-lock standing seam at pitched valley with lap-lock to gutter lining

Fig 34	Double-lock standing seam with pitched valley single-lock welted to roofing sheets

Fig 35	Ventilation hood