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Section 8-404

California Historical Building Code (Title 24, Part 8) · 2022 edition · updated 2026-09-10 · California

CBSC: official editions, supplements and errata

WOOD LATH AND PLASTER Wood lath and plaster walls may be considered in accordance with codes, standards and listings published prior to 1943 whereby a wood stud wall assembly with gypsum or lime plaster on hand split or sawn wooden lath obtains a one-halfhour fire-resistive rating. This rating may be increased for interior walls to as much as one hour by filling the wall with mineral fiber or glass fiber.

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