1-Stop-Shop! Here you can find everything to renovate your home
http://www.bathauthority.com/shower_trays.asp
http://www.produitsneptune.com/en/produits/bases_de_douche/
http://www.vigoindustries.com/catalog/bathroom_shower_bases
http://www.fleurco.com/en/?page=9
http://www.maaxcollection.com/Produits/Default.aspx?cat=5&tMdl=3