Panel Joinery

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