3. Despite section 2, a certificate or an exemption is not required for the voluntary performance of the following construction work, for the benefit of a person or organization referred to in section 2 and for the purposes set out therein:(1) work relating to interior and exterior painting, interior surfaces such as flooring, wall and ceiling and their finishing, and similar or related work;
(2) work related to wood or plastic structures, such as finishing carpentry, and similar or related work;
(3) work relating to interior doors or windows, and similar or related work;
(4) work relating to cabinets and counter tops, and similar or related work;
(5) work relating to marble, granite, ceramics, terrazzo and other similar materials, and similar or related work.