CSST through walls?

[rbaake]

Searched but did not find anything.

Can CSST pass through walls as in this installation? I seem to recall the need for a protective plate?

Thanks in advance!

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[Robert Jones]

This is what I have always understood to be the norm;

All points of penetration less than 2 inches (50.8mm) from any edge of a stud, joist, plate etc., a striker

plate is required to provide protection at the area of support and within 5 inches (127mm) of each side

(if appropriate) of the support.

At points of penetration 2 to 3 inches (50.8 to 76.2mm) from any edge of a stud, joist, plate, etc., a

striker plate is required to provide protection throughout the area of support.

At points of penetration greater than 3 inches (76.2mm) from any edge of a stud, joist, plate etc., no

protection is required.

Tubing routed horizontally through studs shall be protected from puncture threats between the studs

using shielding devices provided.