Over 20,000 customers can't be wrong!

We’ve had so much fantastic feedback from our wonderful customers over the years that we thought it only right to share it with you, everyone here at Thermaglaze is extremely proud of the kind words and recommendations we’ve received and we all work tirelessly to maintain our reputation.

All of our testimonial sheets are filed in our showroom and our visitors are more than welcome to browse through them all, we take all of our feedback very seriously and wherever possible implement any changes necessary in order to improve the ‘Firmseal Experience’.

Good products at a very competitive price
Mr S N – Doors, Yeovil, Somerset
The choice and speed was good and the installation guys were excellent, couldn't be happier - Thank you.
H E – Composite Doors, Gillingham, Dorset
We saw some new doors in the road opposite and asked the people about them, they were really pleased so we rang up for a quote.
Everything from start to finish was fantastic. Jason, who fitted the door, was fantastic and such a nice man.
J C – Solidor, Mere, Wiltshire
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
Excellent Service, Honest Pricing.
Mr & Mrs A – Windows, Taunton
I Had leaky wooden doors and you were recommended to me because you were good at fixing any building problems that may arise. Your fitter was friendly and brill at his job. Thank you.
Mrs G.D. – Patio Doors, Merriott
Completely satisfied, you came recommended by my sister who has had various work done by yourselves.
Mrs C – Back Door, Yeovil
Existing customer happy with Firmseal
Mrs C – Garage Door & FSG, Yeovil
We had dealt with Firmseal in the past, knew Paul. 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
Good service and quality product
Mrs L – Front Door & FSG, Yeovil
You were recommended - excellent product and service.
Mrs Q – Windows & Doors, Yeovil
Existing Customer - good service, a keen price & always accommodating. Many thanks.
Mrs D – Windows & French Door, Wincanton