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The Benefits of White Cedar
versus Pine
White Cedar |
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Pine |
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White cedar has the highest "R" value of any of the wood species used in log home production. A rating of 1.41"R"/inch thickness.
SOURCE: U.S. Dept. of Agriculture - Wood Handbook |
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The "R" value of various Pine species used in log production averages 1.12"R"/inch of thickness. |
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According to the ASHRAE Handbook, the "R" Factor/Thermal Mass Factor of White Cedar is 3.78"R"/inch thickness .
SOURCE: ASHRAE (American Society of Heating, Refrigerating, & Air-Conditioning Engineers) Handbook of Fundamentals. |
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According to the ASHRAE Handbook, the "R" Factor/Thermal Mass Factor of Pine is 2.76"R"/inch thickness. |
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Kenomee homes are built from logs of Northern
White Cedar, a particularly beautiful wood with fine growth
rings, uniform texture and delicate coloring. White cedar
needs neither preservatives nor pressure-treating but the
logs can be stained and in fact hold paint or stain very well.
White Cedar is highly resistant to decay and insects which
means that no chemical treatment of the logs is needed. Kenomee
logs are air-dried, a gradual and natural process.
The thermal mass of solid timber makes
all log homes energy-efficient regulators of heat and humidity;
however Northern White Cedar has one of the highest R-value
of all timbers. It is, therefore, highly prized for a variety
of uses. White Cedar also warps much less than commonly used
timbers and has the lowest incidence of shrinking and cracking.
| Round logs,
which include the heartwood of the tree and more closely
follow its natural contours, are much less likely to twist
and warp than logs which are milled by cutting through
the natural growth rings. Because they do not expose the
growth rings to the elements, round logs are also more
durable than square logs. Kenomee uses round White Cedar
logs, milling only one log from each tree. |
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Cedar is easy to work with and, because
of its density, can be precision-milled. Kenomee's patented
technology uses very precise milling of the logs to create
a unique double tongue and groove compression seal that is
air tight. The drip edge ensures that no moisture can get
between the logs; and the compressed sealant between the joints
ensures that the perfect seal is maintained. The air trapped
inside the joint is an additional natural insulator. The combination
of Kenomee's technology and cedar's natural thermal resistance
makes a wall of unsurpassed energy efficiency.
Each log is precisely pre-cut and pre-drilled
to plan specifications - no cutting is required on the building
site. The logs are coded in accordance with the construction
plan developed for your home, bundled and wrapped in protective
covering, and shipped to your site.
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