LMF Metal Cap Flashing (joints)
LMF Metal Cap Flashing (joints)
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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 - 12. Perimeter Flashing: Metal.
(5) Metal Cap Flashing: Fastened with continuous concealed clips or cladding screws evenly spaced between seams. See SBS Roof Systems - 12. Perimeter Flashing: Metal.
Further detail on fastening of flashing is detailed in the SMACNA Manual referenced in Section 10.2.
NOTE: Refer to RoofStar Guarantee Standards for additional requirements.