While technically grey-zone, Anna’s Archive aggregates data from Sci-Hub and LibGen. If you absolutely need a scan, this is where the cleanest version usually resides.
If you prefer a physical copy for your professional library, the metric 5th edition is widely available on from this volume, such as those for timber roof trusses stair construction McKay's Building Construction - Google Books
If you decide to search for the free PDF, do not waste time on bad files. Here is how to filter results quickly: W.b. Mckay Building Construction Volume 3 Pdf Free
typically marks the transition from basic construction to more complex structural elements. For a student or a junior architect, this is often the "sweet spot" of their curriculum. Volume 3 generally covers:
: Details on timber conversion, seasoning, preservation techniques, and the construction of complex timber roofs. Here is how to filter results quickly: typically
If you're unable to find the PDF, consider purchasing a physical copy of the book or exploring other resources that cover similar topics.
of the combined three-volume set, which is useful for checking specific diagrams before seeking a full copy. Internet Archive Core Topics Covered in Volume 3 If you're unable to find the PDF, consider
Technical requirements for straight flight, dog-leg, and open-well stairs, including the correct proportions for steps and balusters.