Cat Flap in a Solidor Anthracite Grey Door
Anthracite Grey is Solidor's best-selling colour by volume — a versatile deep grey that reads as near-black in low light and softens in sunlight.
Solidor's Anthracite Grey is our most-fitted door colour full stop. The solid timber core takes slightly longer to cut than foam-cored composites, but the finish is second to none — a brown-framed microchip flap is virtually invisible against the darker background.
From £170 supply & fit · 3-year workmanship guarantee
SureFlap Microchip Cat Flap (Brown)
Brown reads as near-black on Anthracite Grey and blends better than the white variant, which would create a visible bright rectangle.
Also works well
- PetSafe Microchip (Grey)
- Pet-Tek Superior (Black)
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What's included in a Solidor Anthracite Grey installation
Frequently asked questions
Other Solidor door colours
Cat flap brands we recommend
Related guides
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How-To GuidesHow to Replace an Old Cat Flap Without Damaging Your Door or Glass
Start by measuring the existing hole, not the old flap. Most standard cat flaps use a 170mm circular cut-out, so a like-for-like swap is straightforward. If the new flap is larger you can enlarge the aperture in uPVC, composite, wood and aluminium — but never in glass, where a new pre-cut toughened panel is the only option.
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