Cement Door Sill Repair

If desired protect and liven up a sill with a metal sill cover which wraps around the front of the sill.

Cement door sill repair. Slide the threshold underneath the doorstops and position the notches you cut around the door jambs. Remove the old door sill from beneath the door frame. Cut the new door sill to size and bevel the outer edge. Then test the threshold for fit.

We have a metal threshold over a concrete sill and our front porch is a concrete slab about 4 x6. Install a cover alone or purchase a cover and sill combination. If it fits apply liquid nails glue to the concrete and attach the threshold. If i raise the concrete pour mounting the sill i might be able to cantilever and extend the lip of the sill about 75 1 into the air over the exterior brick landing.

We ve been having some issues with water leaking into our basement under our front door. Position the old door sill on the new sill and trace around it. Remove all debris from the concrete slab. Hold the new door sill in place with construction adhesive and fasteners.

There are a number of weatherproofing issues we need to address but the most urgent is the concrete sill under the door which has been crumbling for a while and presumably is the source of our leak. If it prevents the door from closing comfortably you can plane down the door or lower the threshold. Cut it with a hacksaw. Caulk around the outside of the door sill.

Tap it snugly into position using a rubber mallet. 2 mix a moderate amount of liquid detergent with 1 quart of water in a. Paint or stain the new door sill. The aluminum door threshold should sit level on the sill and join to it with a waterproof flexible and adhesive sealant polyurethane.

If there s carpeting trim the carpet where frayed material hangs loosely. Fit the new door sill in place under the door frame. Lay a bead of caulk along what will be the back edge of the threshold. Drive a new 3 16 by 1 inch concrete anchor into each of the holes with a hammer.