Substrate Requirements

  • TechTalk #140: Duradek Application to Concrete, Revised March 2012
  • TechTalk #161: Duradek Application to Sealed or Coated Surfaces, March 2012
  • TechTalk #126 US : Plywood Sheathing & Deck Construction Recommendations, Revised Dec 2011
  • TechTalk #126 CANADA : Plywood Sheathing & Deck Construction Recommendations, Revised Dec 2011
  • TechTalk #126 : Plywood Requirements Supplement, Dec 2011

  

Edge Trims

"L" Trim

  • "L" trim secures vinyl on outside and inside edges (optional)
  • To meet roofing codes, vinyl is extended up wall by at least 6 inches
  • Vinyl is overlapped by building paper and exterior finish



Fascia Fully Wrapped

  • Full wrap over fascia
  • Inverted "L" trim with sealant (gumstop)
  • Butyl tape as secondary sealant (screw seals itself with compression)
  • "L" trim at bottom is another option



PVC-Coated Metal

  • Vinyl is welded to PVC-coated flashing
  • Vinyl is welded to PVC-coated box scupper
  • Vinyl is welded to PVC-coated overflow




Metal Flashing with PVC Clip

  • Inside back corner folded and  welded, not cut
  • Outside front corner folded  and welded, not cut
  • Galvanized flashing with PVC clip holds vinyl in place
  • Roof-quality drain with clamping ring holds vinyl in placeColored metal flashing completes curb waterproofing