A well-insulated garage will remain cool in the summer and warm in the winter. Place a seal along the floor at the front of your garage and this should help to weatherproof the garage and protect it from rain.  

Is it necessary to run a strip along the width of the garage though?  

This blog explores the merits of garage door seals. If you haven’t used them yet this could make an interesting read.

What are garage door seals?

Door seals are water and draught excluders. They are sometimes used on the floors of garages, you can buy them to fit around the edges of doors and some customers install them to the tops of doors as a precautionary measure.

(Image courtesy of WeatherStop.co.uk)

Most seals are made from rubber materials. This is a durable compound which proves to be hard wearing in all types of weather conditions. It makes a good solution for weatherproofing the interior of a garage, particularly when it’s windy or when it rains.

In most cases a sturdy seal is all that’s required to prevent moisture penetrating the floor of the garage. They’re simple to fit and very effective at what they do.    

The way they work

Floor seals are fixed into position at the threshold of the garage. When the door closes it gently ‘kisses’ the edge of the seal and this forms an immediate barrier against the outside world.

Different heights and lengths of door strips are available to cater for a wealth of domestic and commercial structures. They come in kit form and popular heights include:

  • 15mm
  • 20mm
  • 25mm
  • 30mm
  • 40mm

It’s a good idea to check the gap distance at the bottom of the garage door before you order a weatherproof strip. This will indicate the height of the strip you require and ensure a watertight seal.

If you fit them properly and get the sizes right your strips will start working straight away and you should have a waterproof garage. 

What should you look for when you buy a garage door seal?

Obviously the height of the door seal is important. Fit a strip too low and water, dirt and debris will still be able to penetrate your garage.

Length is important too. Measure the width of your garage and find a strip that comfortably sits within the door frame.

Sizes vary. These are some of the most common widths…

  • 2.0 metres
  • 2.5 metres
  • 3.0 metres
  • 4.0 metres
  • 4.5 metres
  • 5.0 metres
  • 5.5 metres
  • 6.0 metres
  • 7.0 metres
  • 8.0 metres

Quality of materials is something else to consider when you invest in a door seal. Avoid anything that feels flimsy. The strip should feel rugged and robust. Remember, you’ll be driving over it in your car.  


Garage door strips are useful for a number of reasons. For starters they prevent rain water from penetrating through the bottom of your garage door. This is important, especially when wind is driving the rain directly at the door.

Keep a garage dry and this prevents damp, avoids tools rusting and stops items in storage becoming infested with mould.

They also prevent leaves, dirt and debris in general from penetrating your garage. In essence a seal serves two purposes. It acts as a barrier against flooding and seals the garage from unwanted debris as well.

Summary of benefits

  • Block rainwater
  • Prevent debris blowing under the door
  • Stop condensation
  • Keep out rodents
  • Improve insulation

So the big question is, are garage door seals worth the money?

This is our humble opinion at Camber Garage Doors…

You bet they are!