Straight Flange Expansion Joint Cover

  • The expansion joint covers shall be factory manufactured of 3-ply, reinforced EPDM bellow with laminated closed-cell foam backing.
  • Bellow shall be factory double-locked to straight galvanized steel flanges along the two long edges, doublelocked to straight aluminum flanges along the two long edges or double-locked to straight stainless steel flanges along the two long edges.
  • All fittings and accessories (corners, tees, closures,etc.) shall be manufactured by Portals Plus, Inc.to suit the project conditions.
  • Install all units in the longest continuous lengths possible. 
  • All splices must be completed using Portals Plus standard splice kits. 
  • Installation and attachment of the expansion joint covers shall be in accordance with Portals Plus' instructions and the roofing membrane manufacturer's recommendations.