Clean surface beforehand, then spray on surface, buff in with the included microfiber towel and wipe away any residue, then let cure for two hours before using the surface (though it's best to wait up ...
If you really care at all about your cat (s), there is the “catio.” Take a look down that rabbit hole. It’s fascinating. Habitathaven.com is brilliant in that it offers pre-designed, custom towers, ...