701.6 Caulking Ferrules — 2025 California Plumbing Code
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-19 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Plumbing Code (Title 24, Part 5) § 701.6 · Effective January 1, 2026 · Official source: Building Standards Commission
Caulking ferrules shall be manufactured from copper or copper alloy and shall be in accordance with Table 701.6.
TABLE 701.6
CAULKING FERRULES
| PIPE SIZE (inches) |
INSIDE DIAMETER (inches) |
LENGTH (inches) |
MINIMUM WEIGHT EACH | |
|---|---|---|---|---|
PIPE SIZE (inches) |
INSIDE DIAMETER (inches) |
LENGTH (inches) |
pounds | ounces |
2 |
21⁄4 | 41⁄2 | 1 | 0 |
3 |
31⁄4 | 41⁄2 | 1 | 12 |
4 |
41⁄4 | 41⁄2 | 2 | 8 |
For SI units: 1 inch = 25 mm, 1 pound = 0.453 kg, 1 ounce = 0.02834 kg
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