User Guide

Plumbing Design Assistance Manual l Chapter 3 – Fire-resistant construction l 33
No limitation
Clamp
½" through 3"
Uponor PEX pipe
(insulated)
Minimum ½" 25/50
rated insulation
Canada — CAN/ULC-S102.2
Figure 3-24: QAI P321-1
Guidelines: ½" through 3" (insulated)
Limitations: ½" minimum thickness insulation as specied in Table 3-5