Draft CD 4
Draft CD 4
| RoofStar Guarantee Standards are blue-linked |
END JOINTS in metal flashings are made using any one of the joints shown in this section, providing the following rules are complied with:
(1) Expansion: Allowances should be made for expansion and contraction. Soldered joints are not acceptable.
(2) Underlayment: Membrane under cap flashing. See, for example, SBS Roof Systems, 10.3 Application.
(3) Clips: Standing seams are fastened to wood blocking before applying the following length, using screws and clips.
(4) Fasteners: S-locks and Double S-locks are screwed through the single leaf before applying the following length. See SBS Roof Systems - 13. Perimeter Flashing: Metal.
(5) Metal Cap Flashing: Fastened with continuous concealed clips or cladding screws evenly spaced between seams. See SBS Roof Systems - 13. Perimeter Flashing: Metal.
Further detail on fastening of flashing is detailed in the SMACNA Manual referenced in the RoofStar Guarantee Standards sections of any of the Low Slope Membrane Roof Systems sections.
NOTE: Refer to RoofStar Guarantee Standards for additional requirements.