Sun Valley Co-op Store in Altona by Rivercity Tech | Jun 24, 2020 Categories: Dek-Master – Special Order, Dek-Master (Vinyl Sundeck Covering), Glazes & Sealers Special Order, Tufdek (Liquid Sundeck Coating)Address 103 1st Street NW R0G 0B0 , Altona , MB , CA Contact Tel.: (204) 324-6428