This style of garage door is boarded on both sides which enables a layer of insulation to be sandwiched between the two side of the door for warmth and stability.

Insulated garage doors offer unbeatable security, strength and durability. There are various styles of insulated doors to choose from, each with unique features and visual appeal to enhance your home, so you don’t need to compromise on aesthetics.

With a core thickness of up to 45mm for optimal efficiency, insulated garage doors provide a warm, dry environment year-round, and also offer a host of benefits in terms of soundproofing and weather-resistance.

Novoferm Insulated Sectional Garage Door

What are the benefits of insulated garage doors?

Investing in an insulated garage door brings many advantages for your home. Quality insulation provides the following key benefits:

  • Improved energy efficiency: Insulated doors prevent heat loss in winter and keep your garage cooler in summer. This regulates the temperature, so you maintain a comfortable environment all year round and lower your heating bills.
  • Noise reduction: The insulation absorbs external noise as well as internal sound from music or mechanics. This creates a quieter space and reduces noise transfer to other rooms.
  • Added strength: Insulated doors are more resistant to dents, damages and weathering. The materials are durable for enhanced longevity.
  • Practical usage: Insulated garages can be up to 20 degrees warmer than external temperatures in winter. Noise is also reduced by up to 16 decibels compared to uninsulated doors.
  • Kerb appeal: More insulated door styles, colours and materials to choose from to match your home’s exterior.

Quality insulation offers all-around benefits. Investing in an insulated garage door is a smart way to enhance utility, comfort and efficiency in your home

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Our Latest Reviews

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DAN GOSTT profile picture
DAN GOSTT
12 September 2026
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Had an issue with a door Wessex fitted, after an email on a Bank Holiday, they replied had a proffessional Team with me first thing Tuesday and fault ectified completely Friday, I was update ever day on progress, extremely proffessional trustworthly company.
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Sally-anne Cox
2 September 2026
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Excellent service from Ian and Hayden! Ian and Hayden from Wessex Garage Doors recently repaired my garage door. I was highly impressed by their professionalism, promptness, and excellent customer service. They fixed the issue quickly and left everything tidy. I highly recommend Wessex Garage Doors for any repair needs!— Sally-Anne
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Simon Williams
24 August 2026
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Excellent Service We had a fantastic service from Wessex garage doors. Any issues we had were dealt with effectively and efficiently. We are really pleased with our new electric doors and would thoroughly recomend.
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Sandra Peddy
17 August 2026
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Amazing service - always!! Personable and friendly technicians. Very satisfied customer 👌
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Chris Crocker
21 July 2026
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Garage door was fitted six years ago. It developed a fault and I phoned the office. Spoke to an engineer who advised that I tried replacing batteries in the system. New batteries solved the problem. Much cheaper than a call out fee. So it's not all about company profit, more about customer service. Hurrah
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Clive Ellston profile picture
Clive Ellston
3 July 2026
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Wessex installed our garage door a couple of years and we were very happy with both the service and the actual product. When one of the springs popped off I called and spoke with Beth who arranged for a new spring to be dropped off to me whilst I was away which I fitted in seconds and all works perfectly again. Excellent service, high quality product and design and really nice people to deal with.
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Ade Fagbire
20 April 2026
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Absolutely first class from Mark and the team at Wessex Garage Doors from start to finish.
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Stephen Hazell
15 April 2026
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Extremely pleased with the doors , the fitters thoroughly professional and very polite Fitted the doors in under 2 hrs and took the old doors away Very happy
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Kevin Doyle profile picture
Kevin Doyle
1 April 2026
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The installers were cheerful and professional. We're very pleased with their work and the product so would highly recommend the company.
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27 March 2026
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Trustworthy, reliable, excellent service Excellent in every respect. I would not consider anyone else after they have provided me with outstanding service.
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A range of door styles to choose from

A lot of heat loss can occur with single-skinned doors, particularly if they are made from thinner materials or have no sealing to the sides or bottom of the door. Whether you have a roller door, sectional or automated garage door, the added benefits of insulation can elevate your garage space for greater security and comfort.

Sectional doors, by their very nature, are durable and highly secure but they also are perfectly suited to insulation. Double-skinned steel sections can be filled with a foam core for a hardwearing and thermally efficient garage door. Vertical roller doors are similar, with built-in weather seals, but because each slat pivots to the next in order for the door to operate, the U-value will naturally be compromised in comparison to a sectional door.

There are various types of mechanisms and materials for garage doors with medium to high levels of insulation, depending on your requirements, including steel, aluminium and timber, for a door that looks great and delivers higher levels of security.

For many homeowners, the garage is an extension of their home, serving as much more than simply a storage space. By choosing to insulate your garage, you can maximise this area even further and ensure that the space you have available is secure, weather-tight and comfortable.

If you use your garage space for more than just storing your vehicle, or you’d like to convert your garage for an alternative use, such as for a home office, a gym, a play room or a workshop, having insulation creates a much more comfortable environment year-round, whatever the weather has in store.

What forms of insulation are available?

Depending on the model or manufacturer you choose, you’ll find several options when it comes to insulating a garage door.

  • Fibreglass Batt Insulation: Fibreglass batts are a classic insulation material made of spun glass fibres. The batts are available in different thicknesses to fit between garage door panels. Fibreglass provides good acoustic dampening and thermal resistance at an affordable price. However, it can sag over time.
  • Rigid Foam Insulation: Rigid foam boards made of polystyrene or polyurethane are another common choice. The foam panels are lightweight yet add structural rigidity. Foam insulation offers excellent noise blocking and energy efficiency with minimal thickness, but the boards must be properly sealed in the door to prevent moisture issues.
  • Spray Foam Insulation: Spray polyurethane foam is a highly effective insulation, though more expensive. The liquid foam expands and hardens to create a seamless air seal extremely resistant to heat transfer and sound transmission. Professional installation is recommended when using spray foam.
  • Cellulose Insulation: Cellulose is a fibrous material made from recycled materials like paper and wood. As loose-fill insulation blown into wall cavities, cellulose has good thermal performance and acoustic damping. However, moisture can compact cellulose over time so make sure proper moisture barriers are in place to prevent this.

When choosing insulation for your garage door, consider factors like efficiency, cost, ease of installation and any potential drawbacks. can recommend the right type for your needs and climate.

What does the U-Value of a door mean?

When researching insulated garage doors, you’ll come across an important specification called the U-value. This measures the rate of heat transfer through the door and indicates how well the door insulates against energy loss. The lower the U-value, the better the insulating performance. Most standard garage doors have U-values between 0.5-1. A higher U-value means faster heat transfer and more energy loss. Insulated doors should have U-values of 0.3 or less.

The best insulated garage doors use advanced materials and construction to achieve U-values as low as 0.15. This extremely low rate of heat conduction keeps your garage consistently comfortable in any season. Checking the U-value is the best way to compare the real insulating power of different garage doors. Always look for the lowest U-values when shopping for an insulated garage door to ensure maximum savings on your energy bills.

Browse Our Garage Doors

GRP Garage Doors

Glass reinforced polyester garage doors are renowned for their strength, stability and resilience.

Superior real timber effect
Made in the UK
Colour matching service available
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Sectional Garage Doors

Sectional garage doors offer the ultimate in practicality and as such can be fitted to almost any size or shape of garage.

Available in natural wood stains or painted colours
Classic timeless appearance
Made to measure
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Automated Garage Doors

Automated garage doors are popular for the level of convenience they provide. They also offer a higher level of security than manual doors.

Convenience of remote opening
Made to measure
Added security benefits
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Up and Over Garage Doors

Our popular range of up and over garage doors are mounted on tracks that run across the ceiling of your garage.

Available in steel, GRP and timber
Made to measure sizes
Free 12 month installation warranty
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Steel Garage Doors

Steel garage doors combine the ultimate in durability and style, and are built by some of the leading manufacturers.

Free 12 month installation warranty
Durable
Low maintenance
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Roller Garage Doors

Mounted on tracks that run up the side of the door. As the door rolls up it is stored in a barrel like compartment.

Available in natural wood stains or painted colours
Classic timeless appearance
Made to measure
Learn More

Leading manufacturers of insulated garage doors

At Wessex Garage Doors, we install insulated garage doors from a wide range of leading manufacturers, including Hormann, and Garador  who offer the very best in high-quality insulated doors. Combined with our skilled team of experienced fitters, you can be sure that the door you choose will stand the test of time.

Using state of the art materials for enhanced security and durability, upgrading to an insulated door provides excellent results for your property that will benefit you for years to come.

Talk to our team today for more information about how switching to an insulated garage door can benefit your home. You can call us directly on 01737 309103 or email us at info@wessexgaragedoors.co.uk, and we’ll respond as soon as possible.

Garador
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Hormann
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Areas we cover

We primarily cover Surrey, Sussex, Dorset, London and Kent, delivering to everywhere from Guildford and Woking to Crawley, Tunbridge Wells and throughout the area.