Process 7 – Flashing Walls and Roof
Step 1 - Installation of Interior Flashing a) Each vertical corner of the oven should have T-7 angle in the fastened to the panels ( u nless oven has internal structural support) . b) Each of these angles should be welded to the T-7 angle across the roof to wall connections as well as to the base channel. c) Any opening or exposed insulation will need to be flashed with the correct trim pieces. (See drawing packet for more information . ) Step 2 - Installation of Exterior Trim - Walls a) Prior to installing the trim the open corner MUST be filled completely with strip insulation. This will take multiple layers. Reference Figure 15. b) Install vertical corner trim on the corners of the oven. c) It may be necessary to cut this trim to length or use multiple pieces . ( t rim overlapped by 1” when using multiple pieces . ) d) Run the trim from the floor level to be flush with the top of the roof panel . e) Fasten the trim only on one side at the bottom . f) Using a level work your way up the trim making sure to stay plumb and maintaining a square corner . g) Once one side is completely fastened repeat the process for the other side of the trim . h) Repeat until all vertical trim pieces have been installed . Step 3 - Installation of Exterior Trim – Roof a) As with the walls ensure that the open corner is completely filled with strip insulation. Reference Figure 16. b) Measure the corner trim piece to get the length of one of the flanges. c) Measure down the vertical trim already installed and mark that dimension, repeat on the opposite corner. d) Snap a chalk line between these marks. This will serve as a guide location for the roof corner trim pieces. e) This is only required on the wall side of the trim. f) Begin with the 90° corner piece; fasten the vertical side of the trim with the provided stitch screws so that the edge of the trim is on the chalk line. g) Work from one end of the piece to the other . h) Take a level and place on top of the horizontal flange, when positioned to the level fasten the top of the trim piece to the roof panels .
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