R45 Attic Insulation

As a benchmark one inch of solid wood has an r value of 1.

R45 attic insulation.

This calculator is to be used as an estimating tool only. Kraft faced insulation has a vapor retarder that helps to control moisture. Homeowners prefer ecotouch pink fiberglas insulation because it maintains insulating power over time. Set your store to.

Blown in insulation is installed using blowing machines. R values are cumulative meaning that if you place r14 insulation over an initial layer with an r value of 30 the insulation ends up being r45. Ecotouch pink fiberglas insulation has outstanding thermal resistance for maximum energy savings. Take for example the extreme case of the attic being 100 degrees hotter or colder than the conditioned space and suppose the attic is atop 1000 square feet of ceiling.

We love our diyers so take up our incentive to improve your attic insulation situation yourself. In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and an inch of blown cellulose in an attic has an r value of 3 2 3 7. Insulated to r40 it loses 2500 btuh insulated to r50 it loses 2000 btuh a difference of 500 btuh. View the owens corning attic insulation 819 00 pallet 819 00 pallet standard delivery.

It makes adding insulation to your attic a breeze. Click the button to calculate the approximate r value for this job. Johns manville r 49 kraft faced fiberglass insulation batt 24 in. Input depth of existing blown in insulation in inches.

Along with knowing the r value of a particular insulation it is also important to calculate the r value of a total system. Set your store to see local availability add to cart. 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. Model k4924 897 80 897 80.

You get a free blown in machine rental with your insulation purchase. Get a free 24 hour blown in machine.