ATAS International provides an extensive line of metal roof and wall panels that utilize various panel joinery systems to provide the best choice for your project.

Wall Systems

• Wind-Lok
• Slip joint
• Lap panel
• 4-way interlock

Roof Systems

• Wind-Lok
• 2-piece Snap-On cap
• Integral panel
• Compression fit
• Field-seamed
• Lap panel

Types of Panel Joinery:

Wind-Lok

• Concealed fastener
• Does not allow for expansion and contraction
• Positive and negative pressures make joint tighter

Slip Joint

• Concealed fastener
• Does not allow for expansion and contraction
• Positive and negative pressures create the possible disengagement of panel

Overlap

• Concealed fastener
• Does not allow for expansion and contraction
• Positive and negative pressures create the possible disengagement of panel

Snap-On Separate Cap

• Clip allows for expansion and contraction
• Small water leg that can allow for water infiltration

Snap-On Integral Panel

• Pan and cap are all one unit
• Snap together, Wind-Lok design
• High water leg

Field Seamed

• If using movable clips, the joint allows for expansion and contraction
• Watertight system

4-Way Lock

• Panel interlocks on all four sides

Panel Lap Joint

• Used when overlapping roofing panels in a long run

Panel Splice Joint

• Used when splicing wall panels in a long run

Panel Over Lap with Notch

• Used when overlapping panels in a long run