Log Wall Characteristics

Looking at all the beautiful full-color glossy photos ofyour builder will place it at eye level, since each knot
log home in magazines gives us an idealized vision ofis truly unique. However, don't be surprised if the
the perfect wooden house. Like a supermodel, weknots ooze sap on the sunny exterior walls of your
can't imagine wrinkles and imperfections, but like anyhouse. Even the sealant won't stop the sap from
natural product, log walls are full of traits that are anworking its way out. This will not happen on the
integral part of their character.inside of the house, or on the shady side. It only
CHECKING: The new visitor to any log home ishappens when the sun is beating down on the logs
invariably struck by the cracks in the logs, sometimesand heating them up in the summer time.
stretching for several feet. Initially they might lookHAND-PEELED or MILLED: (or anything in between).
alarming, but these cracks, or checks, are a naturalHand-crafted log homes are just that: the logs are
process that occurs over the first few years whencut and peeled by hand with a draw-knife, which
logs are still drying and reaching equilibrium with thecreates a uneven surface along the log. For an even
environment. In no way do they weaken themore rustic look, some of the bark is left intact. If
integrity of your log wall.the log is milled, the machine takes off the layer of
When trees are cut down, there is naturally still somebark, leaving a fairly smooth surface to the log. This
moisture left in the cells, especially when the tree iscan be sanded to a fine finish, if you have enough
cut down live. These logs are called "green" and willtime or money. Sometimes, the manufacturer might
settle many inches if used right away to build atake that milled log and run a draw-knife across it to
house. Some manufacturers let their logs dry naturallymake it look peeled. The type of finish is totally up to
- air dried - while others put the logs in a kiln andthe buyer.
bake them for 30-45 days, which removes 80-85%CHINKING vs. CAULKING: Chinking is historically done
of the moisture. However, they can't go any fartherto a hand-crafted log home in order to keep the
without doing damage to the wood, so the logs drywind from howling in between the logs. It looks like a
naturally for the next few years, and this processbroad white band between log courses. When cut by
can create checks in the wood to relieve thehand, logs can be scribed so that an upper log is
pressure. However, the heartwood closest to theshaped to match the contours of the log beneath it.
center of the tree is so hard that the checks will notHowever, not all logs are scribed; some just rest
go beyond the center of the log. As a result, you willatop the log below, creating large gaps in the uneven
not see the checks go all the way through.surface. Either way, handcrafted log homes tend to
SETTLING: As you may already suspect, there is abe chinked, which was historically a mix of clay, sand,
relationship between moisture content and settling oflime, mud, thatch, you name it, but is now an acrylic
your log walls. No, settling does not have to be acompound which expands and contracts with the
"dirty word". As long as your builder knows how towood. Some homes still require chinking, and others
deal with the settling and make provisions for theuse chinking for aesthetic purposes.
windows, doors, plumbing, and interior walls, yourMany milled log homes are actually caulked with an
house can settle many inches and still ageacrylic product designed for log homes. This comes
comfortably. Any log home will come with about a 2"out of a caulking gun, and creates a neat, finished
gap above all the doors and windows, which will needlook as well as protecting the seams from infiltration.
to be filled with insulation. The builder will cut aWe tend to caulk milled homes or do nothing at all
vertical groove in the frame and affix nails to thebetween log courses, because the joinery system is
windows and doors that will slide down the grooveso tight that this step is not mandatory.
as the building settles, so nothing gets crushed. MostEvery log home is unique, and each has its own
kiln-dried homes will only settle a couple of inchespersonality. It's amazing how many different
overall, and much of that will occur during theconstruction systems are available to create homes
construction phase.out of logs, and every style has its own
KNOTS: Depending on the species of wood used incharacteristics. But overall, no matter what your log
your log home, some logs have more knots thanhome looks like, the cozy warmth of logs cannot be
others, just as some trees have more limbs thanduplicated in any other kind of house.
others. The more interesting the knot, the more likely