Insulation isn’t only beneficial in the winter months, experts say. ... ‘Attic insulation is beneficial in a lot of ways, but one of the biggest benefits is regulation of temperatures.

Any expert opinion on the practical difference between R38 and R49 cellulose insulation for attic blow in? We know the higher the number, the better, but in a brownstone, is it worth an extra $1,000?

Home Fix: Options for attic insulation. Q: Working in my attic on a project, I checked my insulation, ... And then I'd add new unfaced insulation for an R38 depth.