In these log samples, note:
1. Our Triple Tongue-in-Groove weather-seal.
2. The logs are usually at least as wide as they are high, to provide
more stability to the log wall.
3. Lags (screws) are staggered between tongues, to add to wall stability.
4. The heart of the tree is contained within the log.
5. Look closely at the interface between the top and bottom logs.
Where one log rests on another, there is a space on top of each tongue. (and
below the groove in the log above it.) This is extremely important,
and this is why......
Please pay attention here......
You have read this far, and the next
paragraph describes how any weather-seal acts in log homes.........
This is where the weather seals are located, and there must be
permanent spaces here after the wall is constructed. This space is allowed
for a purpose- to keep the gaskets from becoming part of the load-bearing
surface. If there were no room allowed here for gaskets, they would be
crushed flat during construction. Then, when the logs are subject to their
first heating season (winter), they will dry more and shrink somewhat.
The gasket that was crushed during construction will not rebound to
maintain the seal, and the logs will develop air leaks.
With our weather seal, this potential problem is solved by
allowing room for the gasket in the first place. Our log gasket is a canned, pressurized foam that expands when it
is exposed to air. It fills in all spaces in the wall, and sets to a
flexible semi-solid state that "follows" the logs as they move with the
seasons. This ability to follow is crucial to preventing air leaks.
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