Calculating how many panels are needed
- How many panels will I need?
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This depends on the size of your radiator.
The dimensions of a panel are 580mm high x 450mm wide x 8mm deep. -
You will need 2-2½ panels for a typical household radiator. Please see our guide to how many panels you will need. HEATKEEPER Panels are designed with vertical and horizontal segments with cutting marks to help you adapt the panels to almost any size of radiator. (See also the question about the precise measurement of these segments below).
To help me calculate precisely how many panels I will need, what are the sizes of the segments which made up the total panel?-
The vertical struts are 90mm, 120mm, 165mm and 75mm (measuring from left to right). The horizontal struts are 115mm, 55mm, 200mm and 200mm (measuring from top to bottom).

