R19 Vs R30 Attic

What you want to do is fill the space between the framing members. Don t stuff r 30 into a space that just fits r 19 5 1 2 because you will lose efficiently if you do. I ve been renovating parts of my home over the last year and am finally rounding third base on my kitchen dining room.

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If you use the attic for living space you should insulate the ceiling of the attic if not then do the ceiling of the house itself.

R19 vs r30 attic.

Wall insulation whenever exterior siding is removed on an. Over the ajoined rooms is a vaulted ceiling. So r19 is better insulation than r13 and r30 is better than r19. We now know what r value is but how does this compare to u value.

In florida 2 000 sq ft ceiling r19 to r30 reduces btus by 2 002 btus with r4 duct in the attic. The u value is a measure of how much heat is lost through a given thickness of a particular material but includes the three major ways in which heat loss occurs conduction convection and radiation. No attic just your ceiling joists with insulation between them and your roof the drywall was cracked and there were some leaks in the roof so i went ahead and removed all the old drywall and fixed the. Drill holes in the sheathing and blow insulation into the empty wall.

The bigger the r value the better the insulation is at slowing down the heat transfer. That said use as much as you can.

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