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How Thick is the Insulation on a Roller or Sectional Garage Door?

Once the place in which cars were stored, garages are increasingly becoming home offices, gyms, band practice rooms, workshops, and even YouTube filming studios.

If you’re using your garage creatively and intend to spend a fair bit of time in there, you probably have one concern on your mind.

How will you keep the space warm?

No one wants to work, practice, or play in a cold garage, and that’s where insulation comes in.

Good news: if you’re opting for a roller or sectional garage door, you’ve got plenty of options.


So, how thick is the insulation?

Let’s start here, because it’s probably the first question on your mind. After all, how can these modern garage doors which are so easy to operate and non-cumbersome contain enough insulation to keep you warm?

Good news – they can. Here’s how much insulation you’ll typically find in these two types of garage door:

  • Roller garage door insulation: 12-15mm
  • Sectional garage door insulation: 42mm or 67mm

You’ll notice that sectional garage doors contain more insulation, and that’s simply because of the way they’re designed. It certainly doesn’t mean roller garage doors are any less efficient, though.


Why is insulation important?

If your garage is attached to your house, it’ll have a significant impact on the energy efficiency of the entire home. This might be why the bedroom immediately above the garage is colder than it should be, or why you seemingly have to constantly turn up the heat in the living room.

By having a properly insulated garage, you’ll keep the rest of the house warm, too, thus saving on your heating bills.

Most importantly, if you’re using your garage for something other than storing a car, you’ll want to retain one of best home comforts: warmth.

As temperatures drop outside, so too will the temperature in an uninsulated garage. Add a fully insulated garage door, and it’ll do a far better job at retaining the heat.

The result? Another room in your house that you’ll want to use.


Benefits of having an insulated garage door

Hopefully, we’ve convinced you that an insulated garage door is a great investment, but there are some additional, compelling benefits that are worth exploring.

Here are three of our favourites


  1. A stronger door

As you might expect, an insulated garage door is considerably tougher than a non-insulated door.

This means it can stand up to constant opening and closing and is far better at resisting damage from vehicles, weather, and the kids’ football.

Like every modern garage door, they’re made to last and resist anything Mother Nature can throw at them, but they’re arguably better at dealing with heat, wind and life’s other challenges which typically shorten the lifespan of non-insulated doors.


  1. Much better energy efficiency

We’ve used this phrase a lot, but it really does bear repeating.

Insulated garage doors are far more energy efficient than their counterparts. By preventing hot air from escaping, they’ll keep you warm in the winter, but the reverse is true in the summer.

If it’s boiling hot outside, your insulated garage door will limit how much hot air enters the room, thus keeping it pleasantly cool. And, as noted earlier, the temperature within your garage will always have a direct impact on the overall temperature of your home.


  1. Quiet operation

If a garage door has been insulated, it’s usually far quieter during operation.

Non-insulated doors are susceptible to developing creaks and rattles over time, but insulated doors absorb those sounds.

If you use the door a lot or spend significant amounts of time in the garage itself, that quiet operation (even in the face of strong winds) will be a godsend.


More questions?

We hope we’ve given you a great insight into the benefits of insulated garage doors, but if you’ve got any further questions, the CA Shutter team would be happy to help. Just get in touch today and ask away!