Installation Guide

PG 8
4. Multi-Story Installation - Frame Openings: Frame openings in each ceiling or
floor above the Support Box (Fig 6). These openings are to hold the Firestop
Radiation Shields and Attic Insulation Shields. Locate each opening by dropping
a plumb bob to the four corners of the opening below. Maintain the minimum
clearances and dimensions as specified in Table 1. If Elbows must be used to
avoid an obstruction, refer to the Offset Elbow Installation section.
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