The Columbus is a PREMIUM model manufactured with 70mm (2-3/4″) thick wall logs. A 2 or 3 bedroom home with just over 1100 sq’ of living space. It has vaulted ceilings throughout and is delivered to site and ready to assemble on a concrete slab or wood sub floor.
 
This premium model can be insulated on the interior using metal brackets to mount 2×4 studs with 3/4″ tongue & groove boards applied over the studs. The solid wood of 2 3/4″ thick has a thermal mass rating of R-12 ….. add R-15 insulation and achieve exceptional energy efficiency of R-27.   Insulating kit is 10% of selling price,  includes brackets & T&G cover boards
Tip: Mineral wool  insulation is recommended  for log construction.  It’s impervious to moisture with a higher R-value per inch than fiberglass and is considered a GREEN building material, environmentally friendly insulation
Tips: Add a porch and dormers to enahance the appearance
The Columbus can be assembled in 9 days with 4 people and passes structural requirements for building codes. Modifications may be required for earthquake, heavy snow load regions and hurricane zones.  Approved structural engineered drawings available on request for a fee. 
Kit includes:
FREE SHIPPING in USA (Except HI & AK)
ready to mount on slab or wood sub floor
(70mm) 2 3/4″ pre-cut numbered exterior walls
(70mm) 2 3/4″ pre-cut numbered interior walls
vaulted ceilings
roof purlins
tongue & groove ceiling/roof boards
fascia trims
PREMIUM double glazed wood windows
entry doors c/w locks, deadbolts, keys
window & door trims
interior doors c/w hardware 
threaded steel storm rods at junctions