Residential Insulation
Proper insulation in your home can save you money and increase your homes value!
Installing more insulation in your home (if you are under the current state code), increases the R-Value an the resistance to heat flow. The effectiveness of an insulations resistance to heat flow depends on on how and where the insulation is installed.
The overall R-value of a wall or ceiling will be somewhat different from the R-value of the insulation because heat flows more readily through joists, studs and other building materials, known as thermal bridging.
The amount of insulation or R-value you will need depends on the climate, type of heating and cooling system and the part of the house you plan on insulating.
For Montana & North Dakota - Zone 6
| CLIMATE ZONE | UNINSULATED ATTIC | 3-4 INCHES OF EXISTING ATTIC INSULATION | UNINSULATED FLOOR | UNINSULATED WOOD-FRAME WALL | INSULATED WOOD FRAME WALL |
|---|---|---|---|---|---|
| 1 | R30–R49 | R19–R38 | R13 | R13 or R0 + R10 CI* | N/A |
| 2 | R49–R60 | R38–R49 | R13 | R13 or R0 + R10 CI | N/A |
| 3 | R49–R60 | R38–R49 | R19 | R20 or R13 + R5 CI or R0 + R15 CI | Add R5 CI |
| 4 EXCEPT MARINE | R60 | R49 | R19 | R20 + R5 CI or R13 + R10 CI or R0 + R15 CI | Add R10 CI |
| 4 MARINE AND 5 | R60 | R49 | R30 | R20 + R5 CI or R13 + R10 CI or R0 + R15 CI | Add R10 CI |
| 6 | R60 | R49 | R30 | R20 + R5 CI or R13 + R10 CI or R0 + R20 CI | Add R10 CI |
| 7 AND 8 | R60 | R49 | R38 | R20 + R5 CI or R13 + R10 CI or R0 + R20 CI | Add R10 CI |
*Table from energy.gov/energysaver/insulation
Where should you insulate your home?
* Unfinished attic spaces
* Finished attic rooms with our without dormers
* Exterior walls
* Floors above unconditioned spaces.
* Caulk and seal around windows and doors
* Duct work in unconditioned spaces
* Basement
If you are in Eastern Montana or Western North Dakota, contact us today for a free quote! 701-651-7882 or jfieler@pcsinsulation.com
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