Cat flap double glazing
Fit a cat flap through double glazing by ordering a compatible sealed unit with the required opening manufactured into it.

Cat flap double glazing — order a sealed unit with a prepared pet opening, with specification, handling and safe installation requirements agreed, with the installation method, protection and finishing details planned.
The flap model and mounting adaptor establish the aperture, while the existing unit's size and glass specification are measured.
The detail that matters
Can the existing sealed unit be drilled in place?
A suitable replacement unit is normally ordered with the opening formed during manufacture.
Before the work
is agreed.
Can the existing sealed unit be drilled in place?
A suitable replacement unit is normally ordered with the opening formed during manufacture.
What is assessed for cat flap double glazing?
The flap model and mounting adaptor establish the aperture, while the existing unit's size and glass specification are measured.
Can catflap double glazing use the existing panel?
The existing glass is assessed, but sealed and toughened glass normally needs a purpose-made replacement panel or sealed unit with the opening prepared before fitting.
Cat flap double glazing by area
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