1220.2 Types of Tube Fasteners — 2025 California Mechanical Code
California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-09-25 · California
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Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Mechanical Code (Title 24, Part 4) § 1220.2 · Effective January 1, 2026 · Official source: Building Standards Commission
Tubing that is embedded within concrete shall be fastened according to manufacturer’s instructions. Unless prohibited by the manufacturer, tube fasteners include the following:
(1) Ties made of wire, typically fastened to anchors such as rebar or wire mesh.
(2) Plastic tube/cable ties, typically nylon, fastened to anchors such as rebar or wire mesh.
(3) Staples made of metal or plastic or combination thereof, without sharp edges that would harm tube, fastened to insulation or subfloor.
(4) Plastic rails with integrated tube holders intended for the specific type of tube.
(5) Insulation sheets with integrated knobs for holding the specific type of tube and intended for this application.
(6) Other fasteners recommended by the manufacturer.
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