BTC Group is a Building Science Engineering firm, improving buildings and properties across Canada and internationally. Our p ... ersonnel, with vast experience in new construction, asset management, and maintenance and repair of existing buildings, assist owners and property managers with all building envelope elements including roofs, walls, windows, foundations, asphalt pavement systems, and concrete balcony and parking structures BTC Group will review your budgets and needs, and in combination with our extensive knowledge and experience, provide tailor made, practical and cost-saving approaches to the design, construction and repair of your built environment. read more