Tectra'sexpertise will bring your roofing project the quality and performance that onlya Tectra project can deliver. Specializing in all forms of flat roofing shingleroofing, and building envelope we operate in all of Canada. Tectradelivers results to condominiums, commercial and institutional buildings in need of roof repair, roof replacement, roof maintenance, window replacement,curtain wall/window wall repair and capital planning for each of these areas.Our teamhas been practicing for over 25 years and has experience working to satisfy specifications from a long list of architects and ...