Re: How to repair stairs after carpet removal
On the molding that is pulled away, hold a piece of wood up against it an tap it back in place with a hammer. Hitting the scrap wood with the hammer will help prevent dinging the molding. If you are repainting it use painters putty (here's directions for use http://crawfords.com/c/htmlos/00249....tty_Directions ) or you can use drywall compound but you need to let is dry throughly before painting, or even paintable caulk. Whatever you use I would recommend that you prime the patches before painting.
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