Insulation Between Narrow Attic Joists

How to install batten insulation when the studs are wider than 16 inches.

Insulation between narrow attic joists.

These are pre cut sections of insulation that are usually fiberglass although cellulose mineral wool natural fibers and plastic versions are also available. If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space. Box out light fixtures. Best for unfinished walls floors and ceilings.

Unless you re using mineral wool insulation or your fixtures are rated safe for contact with any type of insulation don t allow the material to touch or cover recessed cans or. If there is already insulation between the joists increase the r value by installing unfaced roll insulation right on top. 1a attic access door. Measure between joists if insulating a floor or attic or studs if insulating unfinished walls to find the correct width for the insulation.

Designed for easy handling and use between framing such as studs and joists making it among the best insulation for walls. If your attic floor has no insulation install faced batts or faced rolls between each joist with the moisture barrier facing down against the drywall or plaster ceiling below. Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be. In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below.