Installing Insulation Between Floor Joists
Before installing determine the insulation material best suited for your home.
Installing insulation between floor joists. Install unfaced batts by stuffing them between the joists in the same way but use polyester twine to hold them in place. How to install insulation between floor joists 1. Here s how to insulate under a floor.
Wear a long sleeved shirt when handling fiberglass insulation. Hold the insulation in place from below using insulation support wires or by stapling chicken wire to the bottom of the joists. In older homes where the spacing of the floor joists varies you may need to cut the insulation to width as well.
Choose your insulation type. Thread the twine between the joists attaching it to the sides of the. Install the insulation with the vapor barrier facing up toward the heated.
Calculate how much you need. Check pipes and vents. Push the insulation.
Don a dust mask safety goggles and gloves. Cut the strips to fit between floor joists using a box cutter. Trim pieces of fiberglass insulation using a utility knife so the pieces fit into joist bays along the rim joist.
Install the insulation with the paper vapor barrier facing up toward the heated living space and make sure the insulation fits tightly between the joists.