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Causes of condensation on bifolding doors & windows

What are the causes of condensation on bifolding doors and windows? In the Autumnal months, we see many different fluctuations in external temperature. There is a mixture of warm days and colder nights. A result of this is that you may be surprised to see condensation on the outside of your double glazed units.

Causes of condensation on bifolding doors

What causes condensation on bifolding doors?

If you see condensation on the outside of your double glazed unit, it is logical to assume that either your doors are at fault, or there is a problem with your glass.

Condensation is often evident in September and October, but there is no great cause for concern. We offer some information and advice about condensation and what you can do about it.

No new windows or doors eliminate condensation.

The sales message of some window companies wanting to sell you new windows and doors is that you will elimiate condensation.  No new window or door cures condensation.  While double glazed doors or windows with insulated frames certainly help reduce it, other factors cause moisture in the home.

Heating, cooking, living and even sleeping affect moisture levels in the home. Do your research and you will see a standard message amongst professional window and door companies, and the glazing industry bodies that condensation can never be eliminated.

Why do you see condensation on your double glazed windows and doors?

Condensation on your new windows and doors can occur even on the most thermally efficient of products. If you can see the formation of condensation on the outside of your glass, this is perfectly normal.

Condensation on the outside of double glazed units just means that your new energy efficient doors and high specification glass are working together. It is keeping the heat in your home and the cold out.

Why is condensation on the outside not the inside of your doors?

You may be confused as to why you are getting condensation on the outside of your windows, but this is merely demonstrating how useful modern glass is.

On older single glazed windows or timeworn double glazing without insulation, the “cold spot” was previously on the inside of the window. The thermal efficiency of polyamide thermal breaks in the aluminium, argon gas, coatings and warm edge spacer bars in the glass has shifted the cold spots to the outside, where they should be.

Simply put, the heat is now being retained in your property, rather than being lost through the glass or the frames. Naturally, this condensation will disappear as soon as the temperature rises outside.

Tips for reducing condensation in your home.

  • Ventilate your home as much as possible.
  • If you have trickle vents in your windows, do keep these open.
  • Avoid sudden temperature increases – it is better to have a consistent temperature in the home.
  • Ensure you regularly clean off any moisture.
  • Use kitchen and bathroom fans where fitted.
  • Avoid drying washing in the home.

What to expect from frameless glass doors by FGC.

Our unique and patented frameless doors feature the latest in thermally insulated aluminium extrusions and very high specification glass with insulated spacer bars, advanced coatings and a top quality construction.

If you do see condensation on your windows or our doors, there is nothing to worry about.

At this time of year, condensation has formed on the outside of your doors. This is largely due to the increased moisture in the air.

Where your bifolding doors or windows are located is also likely to affect whether you get condensation on the outside and how much. North and South facing properties can differ, your location can be a factor as well.

So if you do see condensation on your new windows and doors, these are doing what they have been designed to do. To keep the heat inside your home.

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What our customers say

A FIRST CLASS JOB FROM A FIRST CLASS COMPANY

From contacting FGC for a quote to having them installed was seamless.
We were kept informed every step of the way and installation was earlier than quoted when we paid our deposit. On the day Mick and his team installed the doors talking us through each step and left our house and patio cleaner

Tony Hobbs
Tony

Frameless Glass are one of the most impressive companies I have ever come across

This company have a product which to my mind is “second to none”. Their glass doors really let you feel you are outside as they have the tiniest of joins…I used to know the exact cm measurement! I was initially worried though about what would happen on follow up problems as their main office is

Fiona Robinson
Fiona

Excellent Service

The guys phoned, as promised, to let me know their ETA. Arrived punctually and did a great job. It’s apparent they know the system inside out and we’re very thorough. All after sales follow up has always been efficient. Chatty and polite guys. Thanks FGC.

Mel Crann
Mel

Great Service

We had a problem we discovered yesterday -wrote an email Sunday-got a reply Sunday that the engineer would be with us at 7.0am this morning monday!
And he was!- as usual Liam was there on the dot. As a businessman myself I know the importance of great service and great Staff .
Couple

andrew scrimgeour
Drew

Really Thrilled

We are really thrilled with our doors and the whole process carried out by yourselves. Thank you so much again. Mrs Newell 20160722

Luff – Caernarfon

As to how we were from initial contact (were we polite)? Staff were polite and prompt in answering telephone questions. There were technical problems with our installation and staff were open and discussed options and were polite. The fitters were surprised at the distance they had to travel to reach us each time, although we

Glass Curtains

Had to call FGC to come and undertake first maintenance visit of 5m curtain installation from 2013. Excellent friendly service and all seals repaired within an hour. Learnt need to silicone spray the seals as well as the floor track. Been a great purchase and very pleased.

simon ellis
Simon E

Delighted

The frameless doors we had fitted are exactly what we had hoped for, they look amazing and bring the outside in and inside out !The service from the company was exceptional at all times.

Lorraine Hucker
Lorraine

Courtesy and Efficiency

Somewhat belatedly may I thank your team for your no quibble, courtesy and efficiency in fixing the problem with my door. All down here are most impressed! Thank you for your input into all this. MBH, Essex

MBH, Essex

The most stylish doors!

We first saw FGC at the Grand Designs exhibition in the autumn of last year (2019). We have had frameless glass doors and windows fitted to our house extension and they look fabulous from inside and outside, and make the rooms extremely light. Opening these doors is quick and easy. The service has been attentive

Ashley Fulton
Ashley

A sincere thank you to your installation team

We would like to say how pleased we are with our fabulous new FGC doors and conservatory.  We thought the transformation would be great, but it’s only once they’re in that we’ve been able to see the full glory of the design – and our view!  We’ve had all the making-good done now, taken off

Mr R

Style Builders, South Croydon

Your fitters were on time on site and I managed to speak with them before they started. They were very helpful and offered me a solution for a small problem we had regarding the level of the bottom track, I was impressed that we found the best solution and they agreed to proceed with the

Published on September 30, 2016

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