Lanark Cedar supplies premium cedar, hemlock, and douglas fir lumber and builds custom decks and fences across Ottawa & Eastern Ontario . As a local, family-run business , we help homeowners and contractors find the right materials and professional installations tailored to our climate and design needs. Ottawa & the Valleys supplier for Eastern White Cedar & Eastern Hemlock, Pine, Red Cedar , Douglas Fir and TruNorth Composites. Ask us about lumber for fences!