APST 470: Building Envelope and Assemblies (Rev. C2) Report a Broken Link

APST 470 focuses on the application of building science principles to the design of building enclosures. 

Unit 1

Quirouette, R.L. (1985.)  Building practice note no. 54: The difference between a vapour barrier and an air barrier. National Research Council Canada. https://www.healthyheating.com/HH_Integrated_Design/Week%204/The%20Difference%20Between%20a%20Vapor%20Barrier%20and%20an%20Air%20Barrier.pdf


Required Readings

In, Volume 2, Part 5 Environmental Separation, read:

·       5.1 General

·       5.2 Loads and Procedures

·       5.3 Heat Transfer

·       5.4 Air Leakage

·       5.5 Vapour Diffusion

·       Appendix C Climatic and Seismic Information for Building Design in Canada

Canadian Mortgage and Housing Corporation (CMHC). (n.d.) Construction tolerances. 

Unit 2


Required Readings

Unit 3


Required Readings

Note: This is a great, free – and comprehensive – resource – albeit in American units. Download it and save it in your Personal Archive.

Unit 8


Supplementary Readings

Unit 10


Pay close attention to the sections on joints and joint sealants.

Unit 11


Required Readings

This document was Required Reading for Unit 3, but please review it again as it is a good summary of the principles behind this course.

Supplementary Readings