Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Attic insulation old.
So it s time to pay close attention to what s happening up there.
For diy attic insulation you ve got two choices.
Signs that your attic insulation is subpar include drafts uneven temperatures between rooms high heating cooling bills and ice dams in the winter i e those pretty icicles that hang from the.
Depending on your climate an r value between 38 and 60 is optimal.
In older homes specifically asbestos may be found in many different materials from pipe insulation to flooring adhesive to roof shingles.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Batt insulation can be added to the underside of the roof between rafters and a layer of batt or loose insulation can be added over the attic flooring.
Rigid insulation is extruded into board form and is often made of plastic.
Closed cell and open cell aka 2 pound and pound respectively.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Cold areas require a higher r value like an r 49.
This old house general contractor tom silva explains the wide world of spray foam insulation how to install insulation learn how to beef up your wall s weather protection in 4 easy steps.
Choose from two types.
Increase your r value by layering insulation.
Both can be added to uninsulated attics or layered over existing material.
Keep your space dry with faced insulation.
Spray foam offers the best attic insulation performance available.
When installed properly both types of insulation fill all of the nooks and crannies in a space and.
Loose fill or batt the common term for blanket insulation.
But just because your insulation is old doesn t mean it is dangerous.
The format of house insulation you need depends on where you put it and if you need to control moisture.
Foam insulation is sprayed into place and expands to fill the cavity.