Sliding doors are making the present trend and providing a dog door for sliding door to it is the best idea.It would make easier for one with pets.
Especially dogs never love to be restrained to a room,they play ,enjoy our company. We often find our dog lingering around us. So what i feel is providing the dog doors would give them more comfort when ever they want to move out.
A better reason would be they don’t even damage your doors. This cute little door will even more beautify your sweet home. So set free your pets so that they show the best love towards us.