My outside fiberglass door was stained several years ago. It now has lots of bare spots from shoe/boot toes hitting it and also being bumped when carrying packages into the house. I want to restain it the same color. How do I do it?

I shellacked the knots before I painted but they still bled through the 2 coats. If I paint again will they still come through?

I am using Kilz 2 to prime a bedroom but it doesn’t seem to stick. Why?

Cannot find a professional in my area to restain and finish my front door. A friend (carpenter) did it for me. He tried to strip the old stain, but was unsuccessful. Instead; he painted or used a primer of some sort – then, used gel stain over that. He polyurethaned

We have casement windows we would like to paint. They have been stained and varnished. After sanding them, is it best to use an oil based primer and then a latex paint. Is it good to put on two coats of paint? Thanks. I am painting just the sash.

What is the proper colour to paint the door jamb? The colour of the inside door or the outside door colour?