Asphalt Roofing Manufacturers Association
www.asphaltroofing.org 

DreamRoofs Do-It-Yourself Roofing
www.dreamroofs.com

IKO Roof Viewer
http://www.iko.com/shared/roofviewer/rvmain.html

Canadian Home Builder's Association
www.chba.ca

Canada Mortgage and Housing Association
www.cmhc-schl.gc.ca

Québec Building Supply Dealers Association
www.admacq.qc.ca

Master Roofers Association of Québec
www.amcq.qc.ca

Atlantic Building Supply Dealers Association
www.absda.ca

Western Retail Lumber Association Inc.
www.wrla.org 

Association des constructeurs de Québec
www.duconstructeur.com/acq.asp

Central Nova Scotia Home Builders Association
www.nshba.ns.ca

l'Association provinciale des constructeurs d'habitations du Québec
www.apchq.com

Canadian Roofing Contractors Association
www.roofingcanada.com

Canadian Standards Association
www.csa.ca

Roofing Contractors Association of British Columbia
www.rcabc.org

National Roofing Contractors Association
www.nrca.net

Mr. DreamRoofs - Expert roofing advice and do-it-yourself tips
www.mrdreamroofs.com

Roofing and Construction Forum
www.roofing.com