Want to protect your things and save on your energy bills? Then you should install garage insulation.
You don’t need to shell out for a professional to install your garage insulation. In fact, this is a fairly easy project to DIY. Once it’s done, you’ll see your home’s energy efficiency go up.
You’ll also be able to store more things in your garage, without worrying about temperature or the elements having an effect.
Ready to learn how to install garage insulation? In this detailed guide, we’ll show you what you need to know to get started.
Is garage insulation really worth it? We think so – here are some of the top reasons why.
Perhaps the best reason to install garage insulation is to lower your monthly energy bills.
An uninsulated garage provides a place for heat to escape in winter, and cold air to escape in summer. You might not actually be heating or cooling the garage, but if it’s attached to the house, it can still negatively impact your home’s temperature.
Even if you have an insulated, weather-stripped door between the house and the garage, the air still gets into the house every time you open that door. That means a blast of freezing air in winter and hot, humid air in summer.
Also, if there are rooms above the garage, the cold or hot air can get through the floor, making things very uncomfortable.
When your garage is insulated, you can effectively heat or cool it if you want to, and it won’t affect the temperature of your home if you don’t.
With insulation, your garage becomes an extension of your house, rather than just a storage space. You’ll be able to work on projects that are too big or too messy for the house in your garage, all year round.
Want to take up painting? Now you have an art studio! Need more room for the kids to play? The garage can easily convert into a playroom.
From workouts to woodworking, you’ll maximize the potential activities you can do in your garage when you insulate it. Insulation keeps the temperature right all year, so you can use the space no matter what’s happening outside.
Even if you don’t spend a lot of time in your garage, you might keep certain appliances there, like a washer, dryer, or deep freezer.
Extreme temperatures aren’t always friendly to appliances. Avoid issues like frozen pipes and other complications by installing garage insulation.
Many of us use the garage to store our things, such as equipment or sentimental items that we don’t need, but aren’t ready to throw away. You might even use the garage for its original purpose: to store your car.
You’ll want all of these belongings to stay in good shape for as long as possible. Garage insulation helps. Humidity can cause rust, mold, mildew, and other forms of decay. Insulation offers a layer of protection from these issues.
Now, let’s take a look at the five steps to follow to install insulation on your own.
First, you’ll need the right materials for installation.
Head to your local home center for insulation. You may want to do some research ahead of time to decide what type will be best for your needs. There are different types for different needs, such as fire-proof insulation.
Many stores offer easy-to-use garage door insulation kits, and you’ll also need separate insulation for the walls.
Since garages are all different sizes and heights, you’ll likely need to buy rolls of insulation and cut them to size.
Now that you have your materials, the real work can begin. The biggest part of the project is insulating the walls, so you’ll probably want to start there.
Hopefully, there isn’t any drywall on your walls, so you can start by prepping the framing. First, you have to air seal the cavities in the wall between the garage and the house.
If the drywall is already there, it might not be worth the work it takes to remove it and replace it. But if it isn’t, air sealing should be your first step.
Air sealing is easy and inexpensive. You just need a few cans of insulating foam sealant and some silicone caulk. Anywhere you see a gap or hole in the wall where air can escape, apply the foam sealant. On small spots where wires or outlets come through the wall, use silicone caulk instead.
You can also have air get through the bottom of the wall where the wood meets the foundation. Run a line of silicone caulk along this edge and use your finger to make it smooth.
Once this process is done, you can apply the insulation. On the parts of the garage where the wall is adjacent to your home, you actually should install it backward. This means the fuzzy part is facing you.
On the other walls in the garage, install the insulation the regular way, with the paper side facing you. Make sure to staple the paper on the edge of the stud, rather than inside it, so the insulation will completely fill the space.
Your next step is to insulate the garage doors. This is fairly easy – you can simply use a kit (you may still need to cut it to size). Follow the instructions on the kit, and you’ll have it done in no time.
If your garage ceiling has attic access, you’ll want to insulate that as well. All you need is a basic layer of insulation here like you added in Step 2.
Now, it’s time to double-check that each insulation roll is snugly against the next one. Make sure there aren’t any gaps where air can get through.
Insulating your garage is a simple DIY project that can increase the value of your home, as well as how much you enjoy your garage.
However, sometimes you need more space to enjoy all year round. To add a garage, or give more space to your existing garage, check out our garage buildings here.
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