HomeMy WebLinkAboutPRESCRIPTIVE INSULATION 3.10.23 - 22-00795 - Madison Station Apartments - Bldg 1City of Rexburg Building Department
Building Division
Office (208) 372-2166
Planning Division
Office (208) 372-2167
Re: Prescriptive Insulation Path
To: City of Rexburg Building Department
From: Northern States Development
Contractor or Homeowner
I will be following the prescriptive insulation path for climate zone 6 for the home located at
Madison Station 512 Trejo St, Rexburg ID, 83440
.
Address
The prescriptive insulation values and u factors are shown below.
Table R402.1.2
Insulation and Fenestration Requirements by Components
Climate
Zone
Fenestration
U-Factor
Skylight U-Factor
Ceiling R-Value
Wood
Frame Wall R-Value
Floor R-Value
Basement Wall R-Value
Slab R- Value & Depth
Crawlspace Wall R-Value
6
.30
.55
49*
22 or 13+5*
30
15/19*
10, 4 ft
15/19*
*Notes :
13-5, The first value is cavity and the second value is continuous. Therefore “13+5” means R13 cavity plus R5 continuous insulation. 15/19, The first value is continuous insulation and
the second value is cavity insulation
R30 ceiling insulation may be used under certain conditions as per N1102.2.2
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