Here are some helpful links to resources we have either partnered with or utilize in our day to day activities...
Vancouver Regional Construction Association
Interlocking Concrete Pavement Institute
National Precast Concrete Association
Canadian Precast/Prestressed Concrete Institute
American (International) Society for Testing and Materials
British Columbia Construction Association
American Concrete Institute
National Concrete Masonry Association
Gemstone Masonry Landscape Supply Ltd.
Keystone Retaining Wall Systems