How Do You Repair A Rotted Windowsill?
Replacing a rotted or damaged windowsill is pretty simple: Take out the old sill, cut a replacement sill and install it. Step 1 Take some overall measurements of the windowsill for width, length and thickness. Step 2 Remove the sash channel trim and side pieces of casing trim to get access to the sill. Work loose any trim with a small pry bar. Rest the pry bar on a small block of scrap lumber to keep it from marring other trim or walls. Step 3 Pull all nails left in the walls or window jamb. Remove nails in the trim with pliers, pulling them through the back of the trim. Step 4 Remove the sill piece itself, trying damage it as little as possible. (The easiest method is to use the old sill as a template for the replacement.) Step 5 Take the old sill to your local lumberyard or home improvement center. Purchase replacement lumber and 6d or 8d finish nails. Step 6 Trace the pattern of the old sill directly on the new lumber – or make careful measurements and transfer those to the new lumb
Replacing a rotted or damaged windowsill is pretty simple: Take out the old sill, cut a replacement sill and install it. Take some overall measurements of the windowsill for width, length and thickness. Remove the sash channel trim and side pieces of casing trim to get access to the sill. Work loose any trim with a small pry bar. Rest the pry bar on a small block of scrap lumber to keep it from marring other trim or walls. Pull all nails left in the walls or window jamb. Remove nails in the trim with pliers, pulling them through the back of the trim. Remove the sill piece itself, trying damage it as little as possible. (The easiest method is to use the old sill as a template for the replacement.) Take the old sill to your local lumberyard or home improvement center. Purchase replacement lumber and 6d or 8d finish nails. Trace the pattern of the old sill directly on the new lumber – or make careful measurements and transfer those to the new lumber. Cut out the new sill with a saber saw.
