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Temporary Double Glazing

Skill Level: Beginner


Double glazing has been around for quite a few years now; it has developed into a super efficient way of keeping draughts and low temperatures out of our homes, conserving energy and costs along the way. Double glazing is available in UVPC, aluminium, or hardwood finishes, and comes in a variety of styles. Something to suit everyone, almost!
There are many older properties, including listed buildings, where changing the windows is not an option. Indeed, many people don’t want to change their windows; many owners of a period property wish to retain the charm and original features of their homes. How much better, easier, cheaper, to have the ability to install effective, double glazing quickly, and temporarily, without the need for tools or damage (screw holes and fitting attachments ) to window frames.

Simple, household cling film ( although film/tape kits are available, in a range of sizes ), a hairdryer or DIY hot air blower, a craft knife or scissors, and a roll of double edged adhesive tape, is all you need. Taped cling film as a means of double glazing is perfectly safe, and can be easily stripped away by hand should the need arise


Covering windows with film

With wooden sash windows, if you apply the tape to only sliding sash, you will significantly reduce heat loss through the glass, and maintain adequate ventilation, but you will not prevent nasty draughts, which is common with older timber windows.
Better to stretch the film across the whole of the window opening, and stop unwanted draughts at the same time.

Clean and dust free windows

Assuming you wish to install the double glazing for the Autumn and Winter period, leaving it in place for several months, it is best to clean the window glass first and as much of the window timber/paintwork, as possible. You want a secure and firm bond of the adhesive tape. If you are attaching the double sided tape to loose and flaking paintwork you may find you peel away some of the paint when you come to remove it.

Cutting the film to size

The first step is to measure the window opening, to the edges of timber to which you will fix the film then cut to size, allowing an overlap of about 10-20mm. This extra will be trimmed off afterward. Measure and cut each panel of film individually, as you work your way around the house.

Attaching the double sided tape

Cut the double sided tape in strips to suit the dimensions of the opening. Peel off the protective backing paper to one side of the tape only, and press into position. Try and keep them neat - vertical and horizontal.

Fitting the plastic film

When you have all the double sided tape in place around the window, the film cut to size; ready to just lift and press into position, strip off all the backing paper, and carefully fix the film along the top horizontal tape only. Then, holding each side of the film, under tension, slowly press the film against the tape, working your way from top to bottom. Do not press too firmly. Once you have covered the full opening, then rub the edges all round.

Removing creases and wrinkles

Starting from an upper corner, use a DIY hot air blower or hairdryer (on hot setting) and slowly work your way down the window. Keep the hot air nozzle close to the film surface, about 6-7mm, for maximum effectiveness


Trim excess film

The hot air will help increase the film tautness. When the film is nice and tight, wrinkle free, then trim excess film to complete the job.

Tools you will need:
Pack of 2 Rolson 200mm Multi Purpose Scissors
Pack of 2 Rolson 200mm Multi Purpose Scissors

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