The Tiny house Blog

Are Log Cabins Drafty?

By
Jason Francis
Designed and built over 100 custom tiny homes, lived on a sailboat for 9 months, and loves to live life to the fullest with his wife and their 4 kids.
Updated on:
June 9, 2023
tiny house Log Cabin styled exterior

With the cold weather settling in, we’re always looking for warmer options to keep your cabin cozy and warm. It’s essential to take suitable insulation measures.

Coziness, comfort, and warmth are super important factors for cabins. Like any building, cabins should also have walls, floors, and roofs so the building can stay warm.

The inside temperature depends on the log cabin’s construction. Some cabins may not be drafty at all, even if they are well-insulated. Others might not have the proper insulation but can still be drafty. It’s always important to consider the insulation and sealing before getting a log cabin. 

For instance, in most cases, you’ll need a wall thickness of more than 6 inches for your cabin to stay warm during winter.

So in this article, we’ll look at different factors affecting log cabins and their temperature. We’ll also look at factors that may cause a log cabin to be drafty and ways to minimize air leakage.

Do log cabins hold heat?

Log cabins have an energy-efficient insulating factor. The thick wall provides natural insulation and keeps the interior warm. The type of wood used also affects the cabin’s ability to retain heat. The logs have a high R-value (thermal resistance), which helps to keep the heat inside the cabin. 

Logs are known to have natural insulation. They’re considered six times warmer than brick constructions, four times warmer than concrete clocks, and fifteen times warmer than stone. It’s also essential to ensure the cabin is adequately sealed and insulated from everywhere.

However, they still need a secondary heat source to retain more heat. For instance, placing a fireplace at the center of your log home is one of the best ways to heat it efficiently.

Proper insulation and sealing of the cabin help ensure that no heat escapes through gaps or cracks in the walls. Thus, you can mitigate these effects by ensuring that the walls, windows, and attic are properly sealed in your log home.

Insulators help prevent heat transfer from one side to the other. A good insulator prevents the inside heat from going outside in the winter and keeps the heat out during summer.

Are log cabins cold during winter?

Movies depict log homes so romantically. They always look so warm and cozy, giving off a delightful vibe. Due to their high thermal resistance, logs are a natural way of insulating your home.

With proper insulation and heating techniques, log cabins can be warm during winter. Weatherstripping and adequate techniques can be energy-efficient for the cabin and keep it warm during the winter. 

Using an effective ventilation system and a reliable heating system is very important. However, the construction is the most crucial thing that influences the cold within the cabin.

Log homes can only be warm during the winter if they have the right construction. So, log homes should have walls thicker than 6 inches at the minimum. Cabins with thinner walls than this will be cold during the winter.

Moreover, placing windows strategically can benefit the inside of the log home. It also keeps the moisture away so the cabin won’t feel cold.

What may cause a log cabin to be drafty?

Caulked log joins
View Eric and Oliver's house 

When log homes come to your mind, they seem like the perfect, quaint getaway out in the woods and away from everyday life.

Log homes can only be tranquil when they’re comfortable and well-maintained. You can only enjoy beautiful snowy weather when you don’t feel cold.

Caulked log joins or poorly sealed windows can allow air to leak in and cause a log home to be drafty. A poor ventilation system, lack of weather stripping around cracks, windows, and doors, or poor roof ventilation can prevent your log home from being drafty. 

But if your log home gets cold quickly, it’s best to look at some root causes that may be responsible for the draftiness and fix them.

So let’s look at some reasons that may cause a log cabin to be drafty.

Log cracks

Cracks in log homes can occur due to change in temperature and humidity, improper construction, or environmental factors. 

These cracks can be fixed using a wood filler to prevent water infiltration, prevent drafts, and improve energy efficiency.

Lack of weather stripping

Weatherstripping is a material used to seal gaps like cracks to help prevent infiltration. Insufficient weather stripping measures can result in increased energy consumption. 

So, it’s always essential to use quality material and install it properly for it to be effective.

Lack of ventilation

Lack of ventilation paves the path for moisture to creep in, which causes mold and rot. The buildup causes a log home to be drafty. 

Fresh air needs to circulate throughout the cabin to help control the humidity levels. Therefore, installing vents in key areas like the attic, eaves of the roof, and crawl spaces is very important.

Poorly designed chimneys

Poorly constructed chimneys can lead to problems with drafts and leaks. They may even cause fire hazards. Hence, chimneys should be placed in the correct position for optimal heating in the cabin. Maintaining the chimney and preventing creosote buildup, damage, or blockages is also important.

Log joints

Poorly sealed or caulked log joints are another leading cause of drafts in a log wall. They also result in less energy efficiency and water infiltration in log homes. Joints are the spaces between the logs that must be properly sealed to prevent air and water from entering the cabin.

Where do you lose heat in a log cabin?

Log cabins aren’t bad for keeping the temperature moderate all year round. But, it would be best if you took care of some places where log homes tend to lose the most heat.

Through air gaps

Air gaps in the walls of log homes are one the most common reasons for heat loss. Although the solid logs allow for very minimal airflow, there can be places where log homes can be prone to drafts if not maintained.

The most common place for air gaps is in between logs. The chinking (filler between the logs) should be properly sealed and close off any gaps in the wood. The chinking should also be regularly monitored for cracks in a log wall.

Through the roof

Air rises when it gets warm and gets replaced by cool air. That happens because warm air is lighter than cool air.

So, when hot air rises and hits the ceiling, it can escape from there if your roof isn’t properly insulated. Without the proper insulation, your ceiling will have a lower R-value, resulting in lower thermal energy efficiency.

That is why insulating your cabin roof is an energy efficient way to regulate the temperature and keep it warm. You can use fiberglass, wood cladding, or anything else for log wall insulation.

Through the floor

Even though warmer air rises, log homes can still lose heat from the surface. Especially if you have wood flooring with no insulation, you can expect your log home to lose a lot of heat. 

That’s why it’s always a practical idea to include insulation between the floor joists beneath your floorboard

How to minimize air leakage in a log cabin?

Log home Air leakage
View the Alpha house on wheels  

Air leakage can cause your log home to be drafty. Winter winds and snow can make the inside temperature cold and reduce heat flow, so it’s important to prevent air leakage.

Logs have a natural tendency to compress and expand with weather changes. This phenomenon can lead to cracks, making space for air leakage and ruining your cabin.

Dry weather can also cause cracks due to moisture evaporation. These cracks can increase with time and lead to increased air leakage and reduced energy efficiency.  

Log walls can be tricky to seal and insulate due to irregularly shaped logs and because they expand and contract with weather changes. Using techniques like caulking, chinking, or expanding foam is best to seal gaps around places like windows and doors. You should also seek professional assistance if the problem persists. 

Here are a few ways listed to minimize air leakage in a log cabin:

  • Installing weatherstripping around potential loopholes where air can creep in from like windows and doors.
  • Using proper ventilation.
  • Applying door sweeps in gaps like under the door to reduce drafts.
  • Installing double-paned windows instead of single-paned windows to minimize air loss.
  • Regularly maintaining and inspecting for any problem.

Make your log cabin a cozy haven

Log cabins can become a drafty nightmare without the proper insulation, caulked log joints, poor design, lack of ventilation, and more. These problems can cause decreased energy efficiency and make your cabin drafty. 

Therefore, it’s essential to maintain your log cabin regularly.

If you would like to learn more about tiny homes, visit TinyHouse.com!

Did you enjoy this post and find value in it? Share it with your friends with the links below!

Need more info? Get

By submitting your email, you agree to our Privacy Policy and Terms

Subscribe to get the latest news

This is a new way to communicate faster than any communication platforms

Thank you!
Your submission has been received! Check your inbox for an email from info@tinyhouse.com with more info!
Oops! Something went wrong while submitting the form. Please try again or email us at support@tinyhouse.com. Thanks!
Want all the latest tiny house inspo and news?

Get free resources, updates, tips & tricks, and special offers by joining the Tiny House Plan Newsletter.

No items found.

Frequently Asked Questions

Find answers — straight from the author — for the most common questions about this article.

Don't see your question here? Contact us!
No items found.

Join The Tiny House Community

Occasionally: Community Events, DIY Tips and Tricks, Tiny House Guides
Never: Junk or Spam and we don't sell or misuse your email.
Welcome to the fam! We're excited to have you join the community.
Oops! Something went wrong while submitting the form. Please try again or use the form below.