38 CLCH-SVX07C-EN
Installation - Mechanical
13. Install the section-to-section screws inserting the appropriate screws through the overlapping
flanges using a powered impact gun and taking care not to strip the screws. Outdoor air
handlers will ship with a seam cap that is to be installed over the section-to-section seams.
Factory-supplied butyl tape must be applied over the seam prior to seam cap being applied. See
Figure 26.
Figure 26. Section-to-section seam cap installation
See detail
Seam cap
Butyl tape
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