
SIP Collection
Little Twig 480 SIP
One level, metal roof and siding, and R-40 overhead. The 480 plan in panels.
Base kit price. Freight and sales tax depend on where your land is, so every order starts with a written proposal that includes both.
The same one-level plan as the 480 Cedar Log, built from structural insulated panels: a foam core bonded between two skins, cut and numbered at the mill.
A bedroom with a walk-in closet, a full bath, laundry, and an open kitchen and living room under a ceiling vaulted to the ridge. R-26 in the walls, R-40 over your head.
No loft and no stairs to build. Metal roof, siding and trim come in the kit, with stamped drawings for most areas.
Blue Ridge overlookFloor plans
One level, every room.

Main Floor · 480 sq ft
In the plan
- Bedroom with a walk-in closet
- Full bath with a corner shower
- Open kitchen and living along the glazed gable end
- Washer/dryer closet and refrigerator bay
- Vaulted ceiling open to the ridge, with glass high in both gables
- Every room on one level: no loft, no ladder, no stairs
- Same plan as the 480 Cedar Log
Construction
How it’s built.
A structural insulated panel arrives as a finished wall: rigid foam bonded between two structural skins, pre-cut and numbered to the drawings. There are no studs to insulate around, which is where the R-values come from, and why a SIP shell closes in faster than a stick frame.

R-26 walls / R-40 roof
Continuous foam core, no thermal bridging through framing
Pre-cut and labeled
Panels arrive numbered to the panel drawings
Metal roof, siding, and trim
Corrugated, in colors you choose
Stamped drawings included
Permit-ready panel drawings ship with the kit for most areas
Any foundation
Slab, pilings, or full basement
Cold-climate option
Northern Version
Upgraded SIP package for cold climates and heavier snow loads.
- R-29 wall panelsThicker SIP walls tuned for cold-climate performance.
- R-57 roof systemHigh-performance SIP roof panels for snow-load regions.
R-33 SIP floor system available as an additional option.
Colors
Choose your colors.
The plan is fixed — that’s what keeps the price honest and the lead time short. The metal is not. Roof, siding, and trim each come from the mill’s twenty-color palette.
Metal roof — 20 colors
Black34
Metal siding — 20 colors
Charcoal24
Metal trim — 20 colors
Black34
Window frames
Andersen 100 Series, with screens. Frame colors are chosen during the order process — white, sandtone, terratone, and dark bronze are the usual suspects.

Your 480 SIP
Black roof
Charcoal siding
Black trim
What’s included
What’s in the crate, and what isn’t.
In the crate
- Pre-cut, labeled SIP panels: R-26 walls, R-40 roof
- Andersen 100 Series windows & doors with screens
- Corrugated metal roofing, siding, and trim in your chosen colors
- Partition framing
- Hardware kit: SIP screws, adhesives, caulk, underlayment, hangers, and nails
- Stamped engineered panel drawings, included for most areas
On you (or your builder)
- Foundation: slab, pilings, or basement
- Interior doors
- Site prep, permitting, and assembly labor
- Plumbing, electrical, HVAC, and interior finishes
Northern Version available: R-29 walls / R-57 roof for cold climates and snow loads. Ask when you request a quote.
The 480 is built for living on one level. The ceiling is vaulted to the ridge instead, so there’s nothing to climb and no stair to frame. It suits a backyard ADU, a guest house, or anyone who would rather not take stairs.
SIP for thermal performance and price: R-26 walls, R-40 roof, stamped drawings and the hardware kit included. Cedar log for the look and feel of solid wood. Both use the same 20′×24′ plan.
Yes, for most areas. Your local building department has the final say on what they’ll accept.
The standard kit is R-26 walls / R-40 roof. The Northern Version is R-29 walls / R-57 roof for heavier snow loads and colder winters.
Other models
Compare the models.

SIP Collection
400 SIP
Our best seller. The same 20′×20′ plan in structural insulated panels — faster to raise, cheaper to heat, and $7,400 less than the cedar.
- 400 sq ft
- +200 loft
- Sleeps 4
- 1 bed
- 1 bath
$54,750View

Cedar Log Collection
480 Cedar Log
Solid 6×6 cedar logs on a 20′×24′ footprint. One bedroom with a walk-in closet, a full bath, and every room on the ground floor.
- 480 sq ft
- Sleeps 4
- 1 bed
- 1 bath
$69,520View

Get a quote on your home package within one business day.
Tell us about your site and your timeline. We’ll match the kit, quote the freight, and put $1,000 toward it.
60-day price lock at signing