Another effective material for most security safes is automotive headliner material.
Gun cabinet carpet.
Speaker cabinet carpet comes to mind.
Keep in mind what is on the other side of the wall.
100 high uv olefin fiber.
Polymat is a multi purpose non woven felt which comes in a roll.
This is great for keeping your safe dry to.
Excellent for bases of gun stands gun cabinets safes sportsmans work table pads and other small surfaces needing a durable but soft padding.
The durability of this shotgun cabinet hardware will give you the peace of mind you need.
Other gun owners go in for tool chest drawer liners coupled with a 3m mounting tape for lining their gun cabinets.
Cut the liner to the shape and size of your shelf.
It is easy to cut fit and mold to your desired shape.
Use polymat to carpet a shelf or speakerbox line a gun safe as a place mat for pet s eating area create a trade show or classroom display cover windows to line drawers and cabinets make decorations baskets diys and much more.
This organizer kit for your safe is incredibly easy to install in any gun security cabinet or safe.
The style of gun cabinet you choose will usually depend on the size you need.
Wall safes are smaller and are often used for small handgun collections or personal property.
Floor safes tend to be larger to accommodate long gun barrels or multiple firearms.
All weather commercial indoor outdoor non woven carpet.
I m going to toss out something else to consider as you build this inside a wall.
Available in red really a wine or maroon green brown black and gray.
Then attach the included loop fabric shelf liner with a staple gun or upholstery tacks.