The Ontario Building Code | Installation of Moisture Protection

5.8.2.3. installation of Moisture Protection

(1) Except as provided in Sentence (2), where materials are installed to provide the required resistance to moisture transfer and their installation is covered in the scope of the following standards, installation shall conform to the waterproofing requirements of the respective standards:

(a) CAN/cgsb-37.3-M, "application of Emulsified asphalts for Dampproofing or waterproofing",

(b) cgsb 37-GP-36M, "application of Filled Cutback asphalts for Dampproofing and waterproofing",

(c) cgsb 37-GP-37M, "application of Hot asphalt for Dampproofing or waterproofing", or

(d) CAN/cgsb-37.51-M, "application of Hot Applied Rubberized asphalt for Roofing and waterproofing".

(2) Where the substrate is cast-in-place concrete, and a drainage layer is installed between the building assembly and the soil, and the assembly will not be subject to hydrostatic pressure,

(a) materials and components installed to provide the required resistance to moisture transfer and whose installation is covered in the scope of the standards listed in Sentence (1), are permitted to be installed in conformance with the dampproofing requirements of the standards listed in Sentence (1), or

(b) materials installed to provide the required resistance to moisture transfer and whose installation is covered in the scope of the following standards, shall be installed in conformance with the requirements of the respective standards:

(i) cgsb 37-GP-12Ma, "application of Unfilled Cutback asphalt for Dampproofing", or

(ii) CAN/cgsb-37.22-M, "application of Unfilled Cutback Tar foundation Coating for Dampproofing".

Section 5.9. Sound Transmission

5.9.1. Protection from Noise