uPVC French double-opening doors

Still a popular choice for opening up your home to your garden.

Available in uPVC or Aluminium

Add a touch of class to your property with a traditional double-opening French door.

First popularised in the 16th and 17th Century, French doors feature full-length rectangular glass panels to maximise available light and are still a firm favourite with homeowners today.

Opening up your Double Doors allow the light and fresh air to stream in to your home.

The Firmseal process

We pride ourselves on offering the very best experience for our customers throughout every stage of the process.
Known fondly as the “Firmseal experience".

From quote to installation, we make it easy for you!

"We had dealt with Firmseal in the past. Came over and looked at showroom, was impressed, staff so helpful, everything went smoothly from start to finish. So nice to get to speak to a person at the end of the phone. Thank you to everyone."

Mrs M – Windows, Yeovil








What our customers say

Don’t just take our word for it. Hear what our customers have to say!

Excellent product & better value for money than competitor brands. Customer service has also been very impressive. We love our new windows.

Mr & Mrs T

Alitherm, Yeovil

Completely satisfied, you came recommended by my sister who has had various work done by yourselves.

Mrs C

Back Door, Yeovil