Having spent 30+ years in residential construction, contracting, remodeling, maintenance and home repair, Deane now contributes DIY, informational and financial content as a freelance writer and ...

QUESTION — I read your piece on capping redundant flues, which involve chimneys. My high-efficiency furnace has made a straight-up-thru-the-roof flue superfluous. It’s capped at the bottom, in my ...