Pandemic-related supply constraints likely in new year A year marked by high demand, supply constraints, and mercurial commodities pricing likely will lead to continued volatility for at least the first half of 2021, some wood products industry observers say.  The pandemic has caused many people to engage in do-it-yourself home projects, says Shawn Church, editor of the Eugene, Ore.-based FastMarkets Random Lengths.  Church says retail demand for lumber has been high for most of 2020. Part of that is due to a trend of people staying home more and wanting ...