2×3 and 3×3 Size Downpipes and down spouts are available at Gouttieres Roussillon. We at Gouttieres Roussillon on the south shore of Montreal, offer 2×3 and 3×3 size Downspouts / downpipes for all your Gutter and Eavestrough needs. The 3×3 downpipe is required on gutters with lengths over 30 feet to allow the eavestrough to flow faster […]