What is rope caulk made of? Is it waterproof?

The stuff was determined to be non-toxic after I called the vet and the company.Titanium dioxide is the main ingredient.

Is rope caulk waterproof?Powerful glues as well as sealants can be found in caulks.

Woodtone can be used with wood, plastic, metal, masonry, glass and concrete and forms a seal on porous and non-porous surfaces.

A roll of rope caulk is used to reduce window drafts.It can be found in rolls as long as 90 feet if you want to seal 6 standard-sized windows.