(a) New walls that form the exterior portion of habitable rooms shall be constructed as follows:
(1) Studs shall be at least four (4) inches in nominal depth.
(2) Exterior finish shall be stucco, minimum seven-eighths () inch thickness, brick veneer, masonry, or any siding material allowed by this Code. Wood or metal siding shall be installed over one-half (½) inch solid sheathing.
(3) Masonry walls with a surface weight of less than forty (40) pounds per square foot will require an interior supporting studwall that is finished as required by subsection (a)(6) of this section.
(4) Wall insulation shall be at least R-11 glass fiber or mineral wool and shall be installed continuously throughout the stud space.
(5) Exterior solid sheathing shall be covered with overlapping asphalt felt.
(6) Interior wall finish shall be at least five- eighths (
5/8
) inch thick gypsum wallboard or plaster.
(§ 2, Ord. 2616, eff. June 20, 1996)