https://historydb.date/wiki/Ca....t_Flap_Installation_
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Consider installing a cat flap onto the door made of upvc for those who want to let your pet go inside and out of the house without fearing that they'll leave behind unwanted "gifts". This option is cheaper than replacing the whole door and is simpler to install. is possible to set up an animal flap on your own uPVC doors but it's an extremely difficult task that could lead to costly errors. Easy to insta