Double lock standing seam

Main features

• Proven, versatile system for roofing flat, curved and ‘free-form’ roofs.
• Weather-tight down to 7º of pitch, 3º if seams are sealed..
• Discrete joints give a light, elegant appearance.
• Modern profiling and seaming machines facilitate short installation times.
• On-the-roof detailing uses folding techniques or soldered joints – no mastic!
• Items such as snow guards and life line attachments are readily available. 

Basic system information: 

1. elZinc® Standing seam roofing tray, nominal max. length 10m.
2. Standing seam joint (normally follow line of maximum pitch)
3. Undercloak
4. Overcloak
5. Welt of standing seam
6. Expansion gap at seam base 
7. Seam centres dimension. Normally from 430 to 670mm
8. Stainless steel ‘fixed’ clip – anchors the tray in position
9. Stainless steel ‘sliding’ clip – allows longitudinal expansion
10. Self-expanding sealing strip for roofs pitched under 7º

elZinc Rainbow® red

elZinc Rainbow® blue

elZinc Rainbow® green 

elZinc Rainbow® black 

elZinc Rainbow® gold

elZinc Rainbow® brown 

elZinc® Natural

 elZinc Slate®

elZinc Graphite®