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Profiles, Interfaces and Corner Styles for Log Homes

When selecting the size, shape and look of the logs, the log home buyer is spoiled for choice. Here’s how to navigate your log profile and corner style options.



So now that you know the timber options from which to choose, how do you turn this raw material into a home? First you need to choose whether you want the look of a milled or handcrafted home. The primary differences here are the size and uniformity of the logs and the technique used to prepare them.

Handcrafted logs are prepared as the name implies: People — not machines — strip, shape and cut the timbers until they are suitable for construction according to your plans. The shape of the logs is usually very organic and uneven, giving a home a distinctive look.

Milled logs are run through an automated de-barker, then a computerized sawmill that shapes and cuts each timber to a precise, uniform diameter and “profile.”

Check out our guide to the differences in milled and handcrafted logs here:


Log Profiles

If you are opting for the milled-log variety of log home, choosing a profile is your next step after choosing species. Profiles and how your logs fit together will significantly impact how your home looks, both inside and out. This also includes how they intersect at the corners.

In addition to personal preference, the region where your home will reside may influence your decision. For example, log homes boasting a square profile with dovetailed corners are prevalent in the Southeastern United States and Appalachia. Round-on-round and Swedish-cope profiles with butt-and-pass or saddle-notch corners are highly popular in the Rockies. But don’t feel pigeonholed into regional preferences. Log profiles and corner systems will perform well in just about any climate — and you may want your log home to stand out from the pack.

The shape of your logs can have a major impact on your home's looks. Here are the most popular styles.


How Logs Become Walls - Interface Styles

The logs intersect at the corners but rest securely on one another the entire length of the wall. There are three basic ways to design full-length support systems:


Flat-on-flat horizontal interface surfaces are perhaps the simplest. They usually use a butt-and-pass corner design, dry or well-seasoned wood that isn’t prone to twist or warp, a good sealant and a nailing schedule. The logs provide a broad base for support, but there’s no second line of defense should the logs twist or warp and the sealant fail.

Swedish Cope

Swedish cope is a concave-over-round design where the top of the lower log is left naturally round or milled round, and the bottom surface is cut away to a concave or half-moon shape. The two outside edges of the concave surface rest on the round top of the lower log, providing two sealing points and a wide support base.


Tongue-and-groove surfaces require precision milling machinery, which cut lengthwise into the horizontal surface to form a single, double or triple tongue-and-groove configuration. The tongues are generally on the top where they won’t catch and retain water, and the grooves are usually milled into the bottom. When the logs are stacked, the tongues and grooves fit together to create a tight seal, and the inside and outside edges of the surfaces provide a wide base for structural stability.

Your log profile will influence how the logs are fitted together horizontally. Check out common techniques.


Corner Styles

How your logs intersect at the corners is one of the most defining features of your home. Here are some examples of different looks for log homes: 


See also: How to Choose the Right Producer for Your Log Home

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