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20X20 HENNIN POST & BEAM OPEN PLAN KIT

The original Hennin Post & Beam. In 1973, Pat and Patsy designed and built this house with timbers hewn on site using traditional all-wood joinery. Since then we have seen this frame used for dry storage, a starter cottage on vacant land, workshop, bedroom addition, family room addition, two-horse barn, first home, two car garage with game room, or guest house (for the guest who you can tolerate for up to a week at a time). Expand this frame in 10-ft increments.

20X20 PRICING*

Using a special “tusk” tenon, this frame features a 20’ clear span with no interior posts for maximum design flexibility. The kneewall on the second floor is two feet; the 12/12 roof pitch.                                                                                     

Each “bent” adds a 10’x20’ space. Dormers and shed additions are easy to add. The kneewall height is also adjustable based on your needs. The possibilites are endless. Estimate for adding an additional 10 foot bent is decribed below.

Our kits exceed the R-value requirements of the 2012 International Energy Conservation Code (IECC). The details of the structure as well as the insulation can be modified to meet your project, site and budget needs. Remember, most of the timber frames that we build are custom designed!

 
20x20 Pricing
 
20'x20'pre-cut kit
 
18,800
 
kit raising
 
3,400
 
SIP** Enclosure
 
21,600
 
Install SIPs
 
8,800
 
metal roofing
 
5,200
 
Install Roofing
 
2,600
 
20'x20' Subtotal
 
$60,400
       
 
Make this building longer by 10-ft increments
  additional bent   8,700
  bent raising   1,600
  SIP** Enclosure   8,800
  Install SIPs   3,600
  Metal Roofing   2,200
  Install Roofing   1,150
  20'x30' Subtotal   $86,450
NOTES

*All Pricing subject to change without notice. Prices are FOB Woolwich, ME; shipping is not included. Included, but not shown, are second floor boards: planed nominal 2-in V-match T&G with rough opening for stairs.

Timber Frame Specs: posts: up to 12-ft - knee wall: 2-ft - ceiling height: up to 10-ft - roof pitch: 12/12

**Panel Specs: 5-1/2-in R-25 wall, 11-1/4-in R-45 roof EPS foam-core panels

The Wood: We can build these frames with nearly any wood species. Prices above are for Eastern Hemlock or Eastern White Pine. Green timbers are planed, chamfered, and oiled to protect the surface, reduce checking, and slow the drying process. All timbers are planed full dimension unless otherwise specified.

Kits include all pegs and wedges, as well as nominal 2-inch tongue and groove decking on the second floor.

Curved or straight braces are available per your specification.