Grey Lion specializes in the erecting of pre-eng buildings. Since our founding in 2007 Our metal building specialists have erected millions of square feet of building space in all sectors of the economy in Western Canada


From Screw down to standing seam roofs we have done it all. Energy save roof systems or R40 built up roofs we have the expertise to insure your roof is installed correctly. We have also extensive knowledge in roof access or RTU opening installation


Our Certified Metal Building Erectors have installed wall types from all the major building manufacturers in Western Canada. These include many different types of cladding systems and insulation systems from Energy save, blanket insulation, Roxal insulation and Insulated metal panels. 


Complete replacement of building envelope including new cladding, secondary framing members and insulation upgrade


Many of our projects have come with a second floor mezzanine for storage or office space. We have installed these decks with both welded connections and fasteners.