You could possibly cut out the torn up area into a shape with straight edges and buy a new piece of vinyl and put it in the cutout shape. Click on the link below for the video on how-to. Your torn vinyl appears much larger, but it will still show you how to repair.
I googled what to do for this same issue and this post came up. When I saw the picture I was in shock. My dog has done the exact same thing, but what really freaked me out is I have the exact same linoleum print. This looks exactly like my kitchen floor! Did they put something in the manufacturing of this floor covering to make it tasty to dogs? I am sorry I do not have an answer for you as I am looking for a solution as well. But I had to comment.
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You could possibly cut out the torn up area into a shape with straight edges and buy a new piece of vinyl and put it in the cutout shape. Click on the link below for the video on how-to. Your torn vinyl appears much larger, but it will still show you how to repair.
https://www.todayshomeowner.com/video/how-to-repair-damaged-vinyl-flooring/
Bad dog! Your message was cut off, but I would investigate the cost of fixing it versus replacing it on the entire floor. You might be surprised.
Can't repair that damage. Replace it.
I'm sorry to say that I think it is too damaged to repair.
I googled what to do for this same issue and this post came up. When I saw the picture I was in shock. My dog has done the exact same thing, but what really freaked me out is I have the exact same linoleum print. This looks exactly like my kitchen floor! Did they put something in the manufacturing of this floor covering to make it tasty to dogs? I am sorry I do not have an answer for you as I am looking for a solution as well. But I had to comment.
You could try cutting out the bad section and piecing in a new piece of linoleum.