About Us

PROPHASE ENGINEERING INC. is a private engineering firm involved in engineering design, drafting and consulting services of building systems.


Firm is an independent Canadian company formed and incorporated in 1998.



We are fully licensed, certified and registered with the Ontario Ministry.




Ales Sedlak, P. Eng.

- Over 30 years of a professional engineering experience in conception, development, design, administration and implementation of projects of various types and sizes.

- Education: University Engineering Degree.

- Licensed in Ontario (PEO) since 1998. Other licences include Alberta, British Columbia, Manitoba, Saskatchewan.