Fill the hollow space behind the damaged area with insulating foam sealant to allow filler material to be applied over the hole and to provide strength and support for the completed patch so it does not crack under use
Use epoxy filler material to fill the damaged area and bring it flush with the finished surface
Create a silicone mold of the finished surface texture of the door (in this case, a faux wood grain texture)
Use the silicone texture mold and casting resin to reproduce the texture over the filled and sanded patch
If you find that the DIY doesn't come out as well as you like, you could get lucky and find one very inexpensively in the right size at a Habitat Rehab store.
That is a super tough repair to get looking like it never happened. Hollow core doors are pretty inexpensive and it may be that it's less expensive than the repair products combined. Try a Habitat ReStore, other architectural salvage, or Craigslist "materials" section.
Our 14 year old cord controlled blinds are all giving us trouble with raising and lowering and tilting. Many of the top mechanisms are coming unglued from the top. I ...
See more
This link has great information for you:
https://upgradedhome.com/how-to-repair-punch-holes-in-hollow-core-doors/
Here's help for a smooth door and a wood grain pattern:
https://www.instructables.com/How-to-Fix-a-Hole-in-a-Hollow-Core-Door/
Best to you.
This video on Youtube shows you just how to do that
https://www.youtube.com/watch?v=4K233OoNfKk
here is info for you
https://www.youtube.com/watch?v=OZI1zc41bAM
https://www.youtube.com/watch?v=H-lAOe9k22Y
7 Steps for Fixing a Hole in a Door
https://www.youtube.com/watch?v=OZI1zc41bAM
If you find that the DIY doesn't come out as well as you like, you could get lucky and find one very inexpensively in the right size at a Habitat Rehab store.
They sell patches for holes on doors or walls at home depot
That is a super tough repair to get looking like it never happened. Hollow core doors are pretty inexpensive and it may be that it's less expensive than the repair products combined. Try a Habitat ReStore, other architectural salvage, or Craigslist "materials" section.
If you have the technique to do this go ahead and get a repair kit, a replacement door may be cheaper and less stressful.
https://www.youtube.com/watch?v=H-lAOe9k22Y