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Plastic Secondary Glazing : Perspex Magnetic Secondary Glazing Kit

Perspex Magnetic Secondary Glazing Kit

Our Perspex acrylic magnetic double glazing kit is a quick and easy way to insulate your home from cold and draughts.

The kit consists of a sheet of our extruded Perspex acrylic and enough magnetic tape to fix the sheet to the inside of a window frame, and is a simple to assemble insulating double glazing kit. Extruded Perspex is championed as a lightweight, strong and terrifically clear alternative to glass. It is as much as ten times more resistant to impact than plate glass, but displays excellent UV stability and is optically clearer than glass.

A fantastic choice of insulating material, Perspex creates a strong barrier with no reduction in light admittance. The magnetic tape included in this kit creates a firm and air-tight seal but allows the acrylic to be removed and replaced time and time again. We have seen that this makes them suitable for building works too, where temporary windows are required to keep building works protected from the elements.

Key features:

  • Includes: Cut to size Perspex sheet and magnetic tape
  • Reduce heat loss through windows
  • Eliminate draughts
  • Improve sound insulation
  • Optically clearer than glass
  • Impact resistant
  • Easily cleaned with a soft cloth and warm, soapy water

This magnetic secondary glazing kit is delivered cut to size to fit your window perfectly, keeping cold and draughts out through cooler weather. Please enter the dimensions of the Perspex you require into our price calculator below to receive an instant on-screen quote.

The maximum size we recommend is 1000mm x 1000mm. The 2mm thickness option may not sit flat on larger windows, so we recommend 5mm which has enough rigidity to sit completely flat and be almost indistinguishable from glass.

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100 100

Standard Sheet

cm  mm  inches 
cm  mm  inches 
Edge Finishing: - What is this?

Sheet Cost: £19.94 Inc. VAT
£16.62 Excl. VAT
Excl. Magnetic Tape Cost: £16.00


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Delivered to your door in 5 - 7 working days
75% of orders delivered within 2 working days

Circular Sheets

Diameter: cm  mm  inches 

Sheet Cost: £43.94 Inc. VAT
£36.62 Excl. VAT
Excl. Cutting Cost: £10.95 per unique size


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Request Samples
75% of orders delivered within 2 working days
Delivered to your door in 5 - 7 working days
Perspex Magnetic Secondary Glazing Kit

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Delivery Rates

Standard UK Mainland

Order value                            Cost (exVAT) Cost (IncVAT)
Orders under £10 £17.60 £21.12
£10 - £20 £12.70 £15.25
£20 - £30 £8.33 £10.00
£30 - £80 £7.68 £9.22
£80 - £120 £9.88 £11.86
£120 - £625 8% of order value  

Please note some postcodes e.g. Scottish Islands, Isle of Wight may incur excess shipping charges, we reserve the right to request this from our customers before shipment. If you do not want to incur this additional cost you may cancel your order and obtain a full refund.

How quickly will my order arrive?

We aim to dispatch your order within 3 working days from when payment is received. However, during busy periods this may extend to 5 – 7 working days. We will keep you up to date with the status of your order via email.

How can I track the status of my order?

We pride ourselves on great customer service and communication – during the order process you will receive several emails to keep you up to date with the status of your order and also when it has been dispatched. If you require extra information please contact our customer support team on 01752 897921 or Please include your full name and order number in all communications with us.

Packaging information

We have an excellent relationship with our courier service and all orders are meticulously packed using a variety of materials to ensure the sheets arrive in excellent condition. Where necessary, larger sheets may be shipped on a pallet(s) to guarantee against breakage.

Delivery to alternate address

If you require your order to be sent to an address different to the billing address you may do this during the checkout process.

Collecting orders in person

If you wish to collect your order in person please select 'collect in person' from the delivery options in the checkout. All orders collected in person will not incur any delivery charges however there is a minimum order charge of £50.


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