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Cabin Building » Best Log Fasteners to Use

Best Log Fasteners to Use

Modified: Sep 20, 2021 by Logcabin · This post may contain affiliate links · Leave a Comment

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Log Fastners
close up of drill log Screws on a wooden plank

Typically there are half a dozen types of log fasteners used in log cabin building. If you’re buying a log home kit the manufacturer will tell you which ones they recommend to use and will supply them along with your logs. If you’re building on your own you need to decide which ones will suit you the best.

The most effective and most commonly used log fasteners are log screws, like these 14" log screws. They're strong, easy to drive and easy to remove if necessary. Check out our page on log screws for more details.

Dowels and Drift Pins

Wooden dowels in this size are typically made of hardwood such as oak. They can be used to hold logs in place but not to pull them together. A hole is first carefully pre-drilled before setting the dowels.

Drift pins made of rebar or galvanized pipe is set into pre-drilled holes to help resist sideways movement of the stacked logs. Again drift pins won’t help you pull the logs tight to each other.

Lag Bolts

close up of log screw

Lag bolts (AKA lag screws) are pointed bolts with screw threads and are set into pre-drilled holes through the logs. They are best used with washers to spread the load and prevent the crushing of the wood fibers. Lag bolts are very strong and will pull the logs together

Threaded Rod

Through-bolts (AKA all-thread) that run through the entire log wall vertically. Threaded rod is often used to help with settling issues with springs that automatically maintain pressure on the logs to keep them tight. They are a cabin maintenance item that needs to be tightened by the homeowner as the logs dry and shrink.

Spikes

close up of spike

Spikes are nothing but big steel nails driven through the logs to secure them together. It can get very tiring driving home spikes all day with a sledge hammer. Not only are they a chore to install, but there is also a risk of damaging the logs as you drive them. Consider that each log needs to be secured with some type of fastener every 18" - 24" and you can see how tiresome using spikes can be. They may be traditional but new developments such as the log screw make more sense.

Log Screws

close up of log screw drilling through wood

The most commonly used log fastener are log screws. They are self-tapping long screws which can be set quickly and easily with an electric drill. They do not require a pre-drilled hole so they are very fast to use.

Log screws have a shank diameter smaller than the threaded screw diameter so they pull the logs tight together as they are driven home.

Although they look thin and fragile, log screws are heat-treated for superior strength. If you need to remove them to change the position of a log it's possible to simply reverse the drill and back them out. Log screws come in many different lengths and can be used to tie together beams and engineered lumber.14"log screw

14in-log-screw
14in-log-screw

I typically use a heavy-duty drill/driver, like this 10-amp DeWalt, with a 5/16" hex head driver to drive the log screws. This is a robust set-up that can run all day without wearing you out by being too heavy.

DEWALT Electric Drill, Pistol-Grip, 1/2-Inch, 10-Amp (DWD210G)
DEWALT Electric Drill, Pistol-Grip, 1/2-Inch,...
Buy on Amazon
Irwin Tools 3051001 1/4' Magnetic Nutsetter, 4'
Irwin Tools 3051001 1/4" Magnetic Nutsetter, 4"
$6.26
Buy on Amazon

There are many different log cabin building systems that utilize their own proprietary fasteners for logs and if you are buying a log home kit it’s best to use their recommendations. If you plan to build your own log cabin, the fastest and strongest fasteners are the log screws.

More Log Cabin Building Pages:

Cabin Roofing Choices Your log cabin roofing choices will affect your budget and long-term enjoyment of your cabin.

Log Home Building School Learn practical ways to craft your dream at a log home building school.

Build a Log Cabin To build a log cabin means coordinating many aspects and prompt decision-making.

Cheap Hardwood Flooring Cheap hardwood flooring is available through my supplier, shipped anywhere in the country.

Build a Small Log Cabin How To Build a Small Log Cabin: Reprinted from December 1983 Popular Mechanics by Michael Chotiner with illustrations done by Harry Schaare.

« A Cheap Log Home Kit - Tips On Ways To Save Money
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