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.
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 Sweep standing seam upstand
Fig 8 Pinched seam upstand
'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 Joints
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 corners
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 20 degrees
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 20 degrees
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 valley 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 |
