9.10.14.12. Exposing Building Face of Houses (1) For the purposes of application of this Article (a) the exposing building face is permitted to be divided into any number of portions and the fire-resistance rating, type of cladding and glazed area limitations is permitted to be determined individually for each portion based on the limiting distance for each portion so divided, (b) the exposing building face shall be taken as the projection of the exterior wall onto a vertical plane located so that no portion of the exterior wall of the building is between the vertical plane and the line to which the limiting distance is established in Clause (a), and (c) for the purpose of determining the actual percentage of glazed areas permitted in an exterior wall, the glazed area shall be projected onto the vertical plane established in Clause (b). (2) Except as required in Article 9.10.14.3. and as provided in Sentence (4), in buildings containing only dwelling units in which there is no dwelling unit above another dwelling unit, the requirements of Article 9.10.14.11. do not apply provided that the exposing building face (a) has a fire-resistance rating of not less than 45 min where the limiting distance is less than 1.2 m, and (b) is clad with non-combustible material where the limiting distance is less than 600 mm. (3) Cladding on the exposing building face described in Sentence (2) is permitted to be vinyl when the limiting distance is less than 600 mm provided the cladding (a) conforms to Subsection 9.27.13., (b) is installed over sheathing paper and 12.7 mm gypsum sheathing, (c) has a flame spread rating not greater than 25 when tested in accordance with Sentence 3.1.12.1.(2), and (d) material thickness is not more than 2 mm exclusive of fasteners, joints and local reinforcements. (4) Glazed areas in the exposing building face referred to in Sentence (1) (a) shall not be permitted if the limiting distance is less than 1.2 m, and (b) shall be limited in conformance with the requirements for glazed areas in Table 9.10.14.1. where the limiting distance is 1.2 m or greater. (5) The required limiting distance for an exposing building face is permitted to be measured to a point beyond the property line that is not the centre line of a street, lane or public thoroughfare if (a) the owners of the properties on which the limiting distance is measured and the municipality enter into an agreement in which such owners agree that, (i) each owner covenants that, for the benefit of land owned by the other covenantors, the owner will not construct a building on his or her property unless the limiting distance for exposing building faces in respect of the proposed construction is measured in accordance with the agreement, (ii) the covenants contained in the agreement are intended to run with the lands, and the agreement shall be binding on the parties and their respective heirs, executors, administrators, successors and assigns, (iii) the agreement shall not be amended or deleted from title without the consent of the municipality, and (iv) they will comply with such other conditions as the municipality considers necessary, including indemnification of the municipality by the other parties, and (b) the agreement referred to in Clause (a) is registered against the title of the properties to which it applies. (6) Where an agreement referred to in Sentence (5) is registered against the title of a property, the limiting distance for exposing building faces in respect of the construction of any buildings on the property shall be measured to the point referred to in the agreement.