Weatherproofing Windows and Doors for Reduced Heat Loss During Winter

The onset of winter brings about an added focus on keeping the cold and wet weather outside (where it belongs!) and conversely retaining the cozy conditions indoors…There are several ways to do this, primarily through the following insulation techniques, resulting in a warmer, drier home, and a saving of 10-15% on your energy bill.


This primarily involves the use of glues and sealants to block up any gaps where the door or window meets with the related frame…The drone of wind coming through a partial space between a closed window or door entrance to the house allows cold, windy and inclement weather into your home, something which is less than desirable during the darker, more solemn months of the year.

Effectively, caulking uses pliable substances such as silicone, putty or similar materials to fill up the offensive void. To do this you will need a caulking gun or a putty knife to apply, shape and smooth the finish to the desired result. Once the caulking has been applied, leave it to set so that a permanent bond can be created.


You will need to purchase good ‘weather-stripping’ lining from your local DIY/hardware shop, a task that your resident expert can provide assistance on, as there are many varieties on offer. Weather stripping lining is applied to the perimeters of your windows and doors with adhesive (some come with adhesive strips pre-applied) to block up unwanted gaps. They can be color-coded to match your house décor and are attractive, professional looking solutions to previously unwanted heat transfer problems.

Window Film.

Applying Window film is another insulation technique that can be adopted to reduce heat loss during winter using a ‘glazing’ effect. This window film is usually made up of synthetic material such as polyester and has several beneficial properties, both for protective and practical purposes. Window film is applied with a low-emissivity coating to the insides of windows (including glass sliding/French doors) and this converts solar radiation into infrared energy, both warming the house and preventing unwanted heat transfer to the outside.

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