Fix Window Sill

How to repair the interior window sill and trim tools and materials.

Fix window sill. Small cracks or chipping paint on the window sill can be handled easily by scraping all loose paint and applying a high quality exterior paint in under 30 minutes assuming you have the tools and materials you want to include getting materials out and cleaning up. This old house general contractor tom silva shares some tricks of the trade for installing a new long lasting windowsill. If the casings are rotting as. Set the depth of the router bit to create a stepped patch to fit into the window sill.

If parts of the sill or caulk remain use. Measure the thickness and length of your sill and add it to your list. How to repair a concrete window sill preparation. See below for tools and a shoppin.

Many window sills including ours are 1 1 2 thick. Make a plumb cut flush with the sheathing along the length of the rotten sill. Use the rag and utility knife to clean away any debris left on the window frame. If you had damaged siding behind the apron or sill you need to replace that too.

The first step is always the most worrisome right. The casing comes off to clear the way for removing the old sill. How to repair a rotted windowsill remove the side casings. Rub the surface of any and all damaged areas with a stiff brush.

Check the where the window sill meets the jamb. The window sill and jamb vertical frame pieces should be sealed together. Rot that occurs deep inside of the sill is more difficult to repair. Surround the damaged area with wood strips to serve as a router guide.

Remove as much concrete debris as possible. Saw off the old sill. A circular saw with. We ended up replacing all four window sills along the front because we made them an inch.

This makes replacement simple as the new sill can be cut from a standard 2 4 or 2 6. Use a utility knife and if necessary a hammer to carefully break and remove any caulking or sealant that s binding the old sill to the. Before working on the sill seal off the house interior from dust. Every window should be installed into the wall.

Fix any small or medium cracks in your concrete window sill with caulk.