Building Envelope ConsultantsTouwslager Engineering Ltd., located in Burnaby, British Columbia, provides high quality building envelope consulting services primarily to Greater Vancouver building owners. Our clients include housing cooperatives , strata corporations , non-profit housing societies , BC Housing, different levels of government, lawyers, universities, and private owners. Read more about how we can help with your unique situation .The building envelope (or building enclosure) includes the exterior walls, windows, doors, roofs and anything else that separates the indoors from the outdoors. Our building envelope consulting services typically begin with an assessment of your situation and continue to post-remediation maintenance. We specialize in what is often referred to as 'leaky condo' consulting. Find out more about the services we provide .We are client-focused and pride ourselves on making your building management responsibilities less stressful. We adhere to strict professional standards and require a similar level of quality from the contractors that work for you. more... See more text