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The Six Seal Patented

Tongue and Groove System

True north's Six Seal system is an example of the kind of research and technology that makes True North the #1 Choice among log home buyers today.

Patented Log Lock Compression System

The jaws hidden inside the LOG LOCK combined with the 2500 lb. compression spring are designed to permit the LOG LOCK to ONLY go downward one-way on the LOCKING threaded rod. the LOG LOCK prevents logs from lifting, bowing or separating due to the naturally ocuring shrinkage and the settlement in log walls. Log Lock Compression Systems are placed on each side of doors and windows and spaced evenly where ever needed around your log Home.

The Finest Wood in North America

The most valuable soft wood in North America goes into every True North log home. Only the durable heartwood of the log is used, making the log extremely stable. This assures that settlement of the logs will be minimal - not exceeding one inch in an eight-foot wall height. Western red cedar is also available upon request.

How can "Prairie Log homes" be the ONLY log home dealer that offers a 25 YEAR NO AIR INFILTRATION GUARANTEE?

Because True North Log Homes is an industry leader with the BEST log home technology than anyone presently in the industry or in the past!

If you would like more information, please contact us

Patented Key Spline Air Seal Systems

True north again uses the naturally occurring shrinkage in the width and length of the log to its fullest advantage, making the logs butting joints tighter (as shown with green arrows). True North's patented Key Spline when inserted, tightens the log interfaces together. Over time the log shrinks towards the Key Splines ensuring an airtight seal.

​Patented Butt Spline Assembly

The Green arrows demonstrate the natural shrinkage in the width of the log. The log squeezes on the radius of the butt spline assembly. At the same time, shown with blue arrows, the log shrinks longitudinally, pulling on the butt spline assembly, making the joint progressively tighter over time.

Check out our 25 year no air infiltration Warranty!

Let us help you design your Custom Log Home Cabin Plans; True North has a catalog of Beautiful log homes and Beautiful Log Cabin Homes.

The Patented

Keylock Air Spline Systems

True north uses the naturally occurring shrinkage in the width of the log to its fullest advantage, making the corner tighter (as shown with green arrows). True North's patented Keylock, when inserted, tightens the log interfaces together. Over time the log shrinks towards the Keylock ensuring an airtight seal.