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            DIY Message Boards  Hop To Forum Categories  Home Improvement  Hop To Forums  Painting    How to Repaint a Window Sill with Cracks in its Paint
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        How to Repaint a Window Sill with Cracks in its Paint Sign In/Join 
        posted
        Hi,

        The window sill has visible cracks in the paint. However, the paint is not peeling. I have already tried light scraping and light machine sanding. What is left is shown in the photo below. I need your help for various approaches to repaint, so that the problem does not surface again soon...

        I suppose covering the existing sill with a new sill could be a last option, since the window frame will be installed after the sill repairs. Do you think that would block the window from being removed in the future, though?

        Thanks

         
        Posts: 11 | Registered: Jul 04, 2013Reply With QuoteReport This Post
        Picture of Jaybee
        posted Hide Post
        Your cracks are caused by having many layers of paint applied to the sill over the years. While you could use a filler in the cracks and then sand smooth before painting, ultimately you will just be adding another layer or two of paint to the sill, making the problem worse. In other words, if you paint on top of all those layers of paint, eventually it too will crack.

        The long-term solution is to scrape almost all the paint off, fill to repair any damage, sand smooth then reprime and paint. Sometimes it is easier to just replace the sill with new material.


        Jaybee
         
        Posts: 10289 | Location: Knoxville, Tennessee | Registered: Sep 27, 2003Reply With QuoteReport This Post
        Picture of joecaption
        posted Hide Post
        Replace it or I would use a stripper on it and get it back to bare wood.
        A stripper like Peel Away II, or a citrus stripper is safer to user

        This message has been edited. Last edited by: joecaption,


        joecaption
         
        Posts: 18021 | Location: Hartfield VA | Registered: Jan 31, 2004Reply With QuoteReport This Post
        posted Hide Post
        that is a mild case of what is called "alligatoring." trying to fix it will make it worse, there is too much darn paint and it can't flex any more. you do have to remove it, reprime the bare wood with a good sealing primer, and repaint.


        sig: if this is a new economy, how come they still want my old-fashioned money?
         
        Posts: 5706 | Location: North Burbs, MN | Registered: Mar 14, 2007Reply With QuoteReport This Post
        posted Hide Post
        Thank you all for your suggestion. There seems to be a consensus.... ;-)
         
        Posts: 11 | Registered: Jul 04, 2013Reply With QuoteReport This Post
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