DIY Home Improvement Forum banner

under flooring

  1. Insulating under floor old home

    I would greatly appreciate any advice for my situation. Background: * House built in 1904, located in Spokane, WA. * Basement, two floors, and attic loft. * Bottom floor is much cooler than second floor; in the winter when (basement) furnace makes bottom floor comfortable, 2nd floor is way too...