R80 Attic Insulation

It will also help to absorb noise from your ducting system.

R80 attic insulation.

Covers up to 60 sq. Duct warp insulation to reduce condensation in your duct system. Both can be added to uninsulated attics or layered over existing material. If the walls are uninsulated r80 in the attic is a complete waste of investment.

The trick to insulation is not to maximize in one location but to have an even level everywhere. I have a 6 year old home with about 12 inches r 30 of blown in insulation in the attic. The costs of additional insulation far outweighs any potential energy savings. Higher r attic insulation is generally a cheaper performance upgrade than many most and an r60 attic will have half the heat gain loss of a current code min r30 and you ll probably be able to feel the difference at 2pm on that 100f day in july.

Wraps around new or existing ductwork. Recommended inches of cellulose attic insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Loose fill cellulose insulation is composed of pulverized paper and fabric material treated with a flame retardant.

Attic existing 3 4 inches of insulation uninsulated floor uninsulated wood frame wall insulated wood frame wall 1 r30 to r49 r25 to r30 r13 2 r30 to r60 r25 to r38 r13 to r19 n a 3 r30 to r60 r25 to r38 r19 to r25 and add r5 insulative wall sheathing beneath the new siding. Unlike fiberglass insulation. Recently door to door sales representatives for an insulation company offered a free inspection and quote to add additional insulation. Loose fill or batt the common term for blanket insulation.

Of duct surface measures 2 ft. If you gave it the full 18 of cellulose on day 1 the settled depth over time would be about 16. If you live in northern canada and have 5 8 on 16 centers go with r80. The pitch was that the r value at the time of construction was sufficient but that codes have been revised and more.

Use this master flow r 8 0 60 sq.