(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)