A roofing contractor performs the following services on all types of roofs using all types of roofing material:
- (1) installation of roof sheathing;
- (2) installation or application of roof weatherproofing and insulation;
- (3) repair of structural damage to roof support system, but not construction or installation of new roof support system;
- (4) extension of roof penetrations, vents, and drains on an existing structure, except electrical penetrations; or
- (5) installation of skylights.
(Eff. 7/26/90, Register 115)