Below is an overview of the differences between our HUD code manufactured homes and our IRC modular homes. Click here for a printable PDF of this information and contact one of our retailers for more details.
| HUD |
MODULAR |
| Frame remains on home |
Removeable frame |
| 2"x6" or 2"x8" Floor Joists 16" OC |
2"x10" Floor Joists 16" OC |
Single 2"x6" (or 8") Rim Rail on exterior sidewall
endwalls and mating walls |
2"x10" Rim Rails Around floor (certain tie down
areas will have double rail when required) |
Exterior walls have 2"x6" Top Plates and 1"x6"
Bottom Plates |
Exterior walls have Double 2"x6" Top Plate and
2"x6" Bottom plate |
| Cedar Canyon Interior walls with 2"x4" studs 24" OC with 2"x4" Top Plate and 1"x4" Bottom Plate (Cedar Canyon LS interior wall 2''x3" studs 24" OC) |
Cedar Canyon Interior walls with 2"x4" studs 24" OC with 2"x4" Top & Bottom Plates (Cedar Canyon LS 2"x3" studs-forced option to go 16" OC) |
All Other Series Interior walls with 2"x4" studs 16"
OC with 2"x4" Top Plate and 1"x4" Bottom Plate |
All Other Series Interior walls with 2"x4" studs 16"
OC with 2"x4" Top and Bottom Plates |
| 30# Roof Load (HUD Rafter) |
30# Roof Load (IRC Modular Rafter) |
| Shingle Underlayment with 15# Paper |
Shingle Underlayment with 30# Felt Underlayment
and Ice Shield (ice shield only when required in certain
areas) |
Roof Pitches 2.66:12 on 40 Wides, 3:12 & 4:12 on
28 Wides, 3.31:12 on 30 Wides with eaves of 8", 12"
and 14" |
Roof Pitches on all houses at 3:12 with 12" eaves |
| Insulation R-40 Roof, R-21 Wall, R-33 Floor |
Insulation R-40 Roof, R-21 Wall and R-11 Floor Insulation that is Shipped Loose |
| Cresdeck Floor Decking |
3/4" Cres-X Floor Decking |
Typical Window & Door Headers are single 2"x6"
Lay Flat Headers (depend on size of window and roof
load) |
Double Vertical 2"x4" Window & Door Headers
(depend on size of window opening and roof load) |
7/16" OSB Underlayment w/House Wrap installed
under Lap, vinyl, log siding only--Not installed under
Smart Panel |
7/16" OSB Underlayment w/House Wrap installed
under all exterior sidings |
| 7/16" Facia Board |
5/4 Facia Board |
40 Gallon Electric Water Heater (50 gallon in
Golden State) |
50 Gallon Residential Electric Water Heater |
M/H Electric Furnace with return air vents in walls
above bedroom doors |
Residential Electric Furnace |
Plumbing with auto vents and some vents through
roof |
All plumbing vents through roof |
| No Water Softener Plumbing Loop required |
Water Softener plumbing loop (only required in
certain jurisdictions) |
| Drain water system complete |
Drain system plumbed through floor with on site
work required |
No Pressure & Temperature Balanced faucets
required on tub/showers |
Pressure & Temperature Balanced faucets on
tub/showers |
| 6" or 8" Heat Duct Boots |
10" Heat Duct Boots |
| 1-1/2" Drain and P-traps |
2" Drain and P-traps on tubs & showers |
| 1" x6" Sub Facia |
2"x4" Sub Facia |
Whole House Water Shutoff Valve included in
laundry plumbing hook up box |
Separate Whole House Water Shutoff valve box |
Cedar Canyon with non-FHA grade carpet, All
Others with FHA grade carpet |
FHA Grade Carpet |
Smoke detectors in all bedrooms and in living
areas |
Smoke detectors inside each bedroom and outside
each bedroom area and in living areas |
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