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Keep the cold out by improving your window insultation with one of our secondary glazing kits. Our window insulation kit will help you install DIY double glazed windows to save on heating by adding a second layer of glazing to your windows.
The Magnetic Secondary Glazing kit available right here at The Plastic People is one of the simplest and quickest ways to secondary glaze your existing windows without any planning permission or expense. Our solution is an easy to remove magnetic secondary glazing system that provides cost effective heat insulation, helps reduce condensation and still allows instant access to your window. This glazing kit consists of an acrylic window pane and 1 steel and magnetic tape. The tape is used to hold the acrylic window pane in position. This tape is supplied as a 5m long and 13mm wide coil. You can order DIY secondary glazing cut to the size or shape you need it. Simply enter your preferences and dimensions into the secondary glazing cost calculator above and get your quote for your double glazing made to measure today. Download our new Secondary Glazing PDF guides including Measuring Guide (Standard), Measuring Guide (Extreme) & Secondary Glazing Installation Guide for an insight into how to measure and install your Secondary Glazing kit for the best results.
Secondary glazing works as an additional layer of glazing for your existing windows. If measured and fitted correctly, it will essentially form a double glazed solution for your windows - that in turn helps with heat retention, condensation reduction and security. Plastic secondary glazing is a much more cost-effective alternative when you compare it to glass - and when you can cut it to any size or shape you need it to be - then installation should be a straightforward and safe process. Secondary double glazing should always be fitted on the interior side of your window.
There are a number of reasons why DIY secondary glazing is a great investment.
First of all, you don’t need to replace your existing window pane to add secondary glazing yourself. This saves the cost you would incur when adding a double glazed glass window.
Again, if fitted and sealed correctly - secondary glazing will do a useful job of retaining indoor heat, reduce condesation and save money on heating bills. You’ll also find that secondary glazing does a good job of preventing indoor draughts that could cause a chill.
We supply clear as glass acrylic for secondary glazing panels because it is lighter yet much stronger (17 x ) than glass and provides near perfect optical clarity. Double glazing made to measure is the perfect choice for any window shape or dimensions.
We suggest at least 2mm acrylic, although 3mm and 4mm acrylic will give more rigidity and should be chosen for larger windows.
Enter the sizes you need for your secondary glazing pane above then select the number of rolls of magnetic tape you require. The magnetic tape comes in a pack containing 5m of white steel tape to attach to your window frame and 5m of magnet tape (with a white backing) to attach to your acrylic panel.
DIY double glazed windows provide easy, quick and cost effective heat and noise insulation too, along with instant access to the window making cleaning and ventilation simple.
Measuring up for our DIY secondary glazing is simple:
Measure the length and width of the glass window pane that you want to secondary glaze. Measure the visible glass then add at least 25mm to the length and width measurements. This allows for space to attach the magnetic tape to your window frame.
Enter your measurements into our Cut To Size Quote Tool above and complete your order.
Our simple DIY secondary glazing is straightforward to fit:
Hold the acrylic window pane up to your window so that it overlaps your window frame equally on each edge.
Using a pencil, draw around the acrylic window pane onto your frame. Now cut and stick the white metal strip of the magetic tape to your window frame - stick it just inside the pencil marks.
Finally, lift your acrylic glazing pane to the window and click into place.
Always fit your secondary glazing to your main window frame, not to the opening part of the window.
Please check your existing window frame to see that you have at least 20mm of mounting surface available all the way round.
We do not recommend our magnetic plastic secondary glazing solution for sloping windows or ceiling/roof windows. If you would like to see examples of our Magnetic secondary glazing in use, please see our magnetic glazing customer projects page.
Yes, we can cut plastic to your specific measurements. Just key in your measurements into our Cut to Size calculator for an immediate quote/to place your order. If you need holes drilling or your plastic bending or shaping in any way we can also do that for you – just let us know what you need. You can tell us as you go through our online checkout process.
If you need a particular shape cutting, we can help. Send us your drawing/requirements to [email protected].
For large windows, such as 1200mm x 1200mm or bigger, you can place a couple of screws immediately below the secondary glazing panel to add support and prevent the chance of it slipping or detaching.
We offer standard, next day and named day delivery services. Our larger orders are delivered via specialist couriers and we will email you the day before their delivery. Whichever delivery option you choose, you will see your expected delivery date before you checkout. If you choose our standard delivery, this date is an estimate.
Standard Delivery - £9.96 All orders are delivered using our standard delivery service unless you choose our next day service. Standard delivery is usually 5 - 7 working days. Orders with optional extras or cut-to-shape pieces can take longer. Where possible, we will let you know if something is going to take longer than expected.
Standard delivery dates are estimated so please allow time to receive and check your order before you need to use the material or before contractors are due to begin work. If you need your delivery for a specific day, consider using either our Next Day or Named Day shipping services. There are certain postcodes where we cannot deliver to at our offer price of £9.00. They are postcodes with prefix letters PA and PH (charged at £30) and BT, GY, HS, IM, IV, JE, KW, PO Isle of Wight, TR and ZE (charged at £40). Next Day Delivery - £33.00 We can deliver orders for clear acrylic, polycarbonate (up to 12mm thick) and silver acrylic mirror next day. Where next day delivery is available we will offer you this choice during checkout. Please order before 1pm. Orders received after 1pm will be delivered the following working day after. Working days are Monday to Friday; weekends and public holidays are excluded. If any items ordered on a next day delivery are out of stock, we will contact you to organise alternative arrangements.
Named Day Delivery - £24.00
We have listened to your feedback & can now offer a named day delivery service across all of our products. Just add your plastic to your basket and select Named Day as the delivery option, and then pick your chosen delivery day. No more guessing when your parcels will arrive. Simple!
Safe Delivery If we think that your order cannot be delivered safely using our standard service, we will contact you to let you know and discuss the delivery options with you. This normally is only the case for orders so large they need to be delivered on a pallet. We recommend you allow time between receiving your delivery and starting any work in case any part of your order needs to be replaced. Collection - You are welcome to collect your order at our Trade Counter - please select this option during checkout. This service is free.
Our Trade Counter is open from 8am until 4pm Monday to Thursday and 8am until 3pm on Fridays. We are closed on weekends and bank holidays.