Wash. Admin. Code § 296-156-001 - [Effective 7/1/2025] Purpose and scope

This standard contains requirements under chapter 49.105 RCW for:

(1) Contractors performing work that includes the application of fire-resistant materials to use a certified fire-resistant material applicator for installations in the following buildings:

(a) Wet or dry mix materials, cementitious materials, and fibrous materials, applied to achieve an hourly fire-resistant rating for buildings classified as construction types I, II, III, IV, and V, as defined by the International Building Code, covered by ASTM 15.13.

(b) Sealants, putty, and caulking used for firestop systems, applied to risk category III and IV buildings, as defined by the International Building Code.

(2) Training and certification of fire-resistant material applicators, including training course approval, and the issuance of individual certification.

(3) The following are exempt from this rule:

(a) Applicators for firestop that do not apply in building risk categories I or II according to the International Building Code (IBC) Structural Design 1604.5 or the most currently recognized edition as adopted by the state of Washington building code council;

(b) Gypsum wallboard installation;

(c) Specialized concrete placement;

(d) Intumescent coatings;

(e) Wall, soffit or other framing of metal/steel studs or dimensional lumber;

(f) Buildings that fall under the International Residential Code such as single-family residences, duplexes, and townhomes;

(g) Company project team members such as project managers, project engineers, superintendents, fire protection engineers, architects and building inspectors, design management, contract management, or any individual not responsible for the direct application of fire-resistant materials.

Notes

Wash. Admin. Code § 296-156-001

Adopted by WSR 25-12-051, Filed 5/29/2025, effective 7/1/2025