Take the chimney liner out of the package and place it on a flat surface.
How to insulate around a chimney in attic.
Using the hose clamp feature tighten the bottom connector onto the liner.
Plan to pull up the flooring and layer new insulation on top of the old.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
As such it can be used to insulate a chimney.
Finally prepare for adding insulation foam or additional fiberglass batts by installing a second piece of vertical sheet metal that provides a 2 inch airspace around and parallel to the chimney.
Measure from the bottom termination point to the top of the chimney s crown and then add 1 foot.
Measure the circumference of the flue.
To cut blanket style insulation place the product over a piece of plywood with its paper or foil side down.
Fiberglass insulation is naturally fire resistant.
It is often installed in gaps around the chimney and flue to prevent airflow that can siphon the heat away from the interior of the building.
Cut two flat sheets of aluminum flashing that are 14 inches long and narrow enough to fit between the ceiling joists around the flue.
Turn the water heater or furnace off and allow the flue to cool to the touch.
This makes it an ideal insulation material for use in areas that experience high temperatures.
Lay a two by four on top temporarily compressing the insulation to a manageable.
How to insulate a metal flue pipe.
Cut slots 1 inch deep and a few inches apart along the top and bend the tabs in.
Joe shows you how to make an attic insulation shield when space is an issue.
Cut slots about 2 inches deep along the bottom and bend out the tabs.
Step 1 preparing your liner.