Canadian softwood producers face paying roughly $1.3-billion in U.S. duties in 2018 should the cross-border trade fight persist through the year, but strong lumber prices will take away some of the sting, the Conference Board of Canada says. …He issued a 15-page softwood report on Tuesday, cautioning that while high lumber prices recently hit levels near the records set in 2004, the commodity’s rally could lose steam by 2019. …RBC Dominion Securities Inc. analyst Paul Quinn said new residential construction numbers for November show jumps in American housing starts and permits, especially in the key U.S. South market. “Housing starts in the U.S. South look to have regained some strength after the recent hurricanes,” he said in a research note.