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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

Perfect product

These frameless glass walls have made a huge difference to our comfort at home. They are installed between our living rooms and conservatory. When open, they allow heat into the living area on a sunny day (reducing our heating bill) and when shut, they keep the cold and noise out. They are also much better

Heather Glasgow
Heather

Looks even better than we imagined

Your fitters have just left and we are very pleased with the installation, the door looks even better than we imagined and the guys were really professional. Looks like we will go ahead with the other one. However, we will wait awhile till we are sure it will look ok as it is a taller

ER
ER

Brilliant, on time and tidy

I just wanted to follow up as I was in the gallery this morning.  The guys were brilliant, on time, tidy, efficient and they fitted the door perfectly. We are very pleased   20151107

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

It is fabulous

Thank you.  It is fabulous  

J Comley (Margate)
J Comley (Margate)

Mr C R

How did we advise you on first contact? I was constructing a new extension and FGC were very helpful and understanding of the nature of the project. Updates to the original design (like addition of an extra door) were accomodated easily and efficiently Installation – were the installers polite and did they clean and tidy

After Sales Customer Service Exceptional

Thank you for your excellent after sales customer service it is exceptional.
The track coating was repaired to a very high standard by Dan the “Magic Man”, he is very professional and his work is very good, to the point that it is difficult to spot where the repair has been made.
Best

JD

Fantastic aftercare service!

I had an installation of 4 doors in December 2018. During the cold snap in January this year the outside glass handle cracked. I contacted Sara in customer support and the handle was replaced free of charge by Liam and Alf who did the job quickly and professionally. They also checked that all the doors

Bernard Perry
Bernard

Excellent

A great product from a great company. Friendly and efficient service from day one.

Ian Greenfield
Ian G

Mrs J @ Childer Crescent Little Sutton Cheshire

Following the installation of our “double glazed curtains” we would like to say we are delighted with the result. The amount of light now coming into the living room is so different, we are also pleased with the amount of noise they keep out, We are glad we had them double glazed. Paul was a

Replacement doors

I had been looking for some time to replace my patio doors in our lounge as they had very wide plastic frames and wanted something that wouldn’t restrict the view up the garden I asked to see if it was possible to view some already installed close by. Luckily there was, we went and viewed

Paula Sanders
Paula

Give a wow factor to our house

We recently bought our house with Frameless glass curtains installed and they certainly give a wow factor to our London Victorian cottage – admired by all our visitors – the aftercare service and warranty has been excellent . Many thanks

Jayne Banks
JAYNE

Published on September 30, 2016

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