Encyclopedia & FAQ's

DIY Frequently Asked Questions / Roll Insulation


  • DIY Frequently Asked Questions / Roll Insulation')"> Comes in continuous rolls that vary in width and thickness.
  • Usually installed between open ceiling joists and wall studs.
  • Has a vapor barrier that should be installed with the vapor barrier toward the interior or heated area. Mend torn vapor barriers with tape.
  • Available in R-values of R-11, R-13, R-19 and R-25. Thicknesses range from 3-1/2” to 8”.