How do you store deco mesh?

Not necessarily. It will depend on the manufacturer and how they preassemble these tiles with mesh netting. Typically, with proper coverage of your adhesive product (glue or mortar), the netting...

Lots of places, depending on where you live. Hardware stores and farm supply stores should have it, and some pet stores carry it as well.

Filet mesh is crochet that has larger-than-average holes, or windows, in it.

Interlocking crochet is one way, but there are multiple ways to connect filet mesh.

Spread out the mesh and carefully go over it with a blow dryer on a warm setting. The heat will help relax the mesh so that you can reshape it...

A rotary cutter is the best option. Not only will it minimize fraying, but it’s quicker and easier to use than scissors.

Probably not, if the glue failed. Stainless fender washers or aluminum strapping and stainless screws will last longer than the mesh.

Applying a quick-grab glue to the area before cutting can prevent fraying. The mesh can also be melted with a thread burner tool or a soldering iron as a substitute....

Yes, you can store an excess of the paste in the refrigerator. Unless you freeze it, I would use the refrigerated left-over paste within three to four days.