Cement Door Sill Replacement

We have a metal threshold over a concrete sill and our front porch is a concrete slab about 4 x6.

Cement door sill replacement.

Cut the new door sill to size and bevel the outer edge. We ve been having some issues with water leaking into our basement under our front door. If your threshold is in rough shape replace it. Position the old door sill on the new sill and trace around it.

In winter this sill is a fantastic transferrer of heat and i always wind up with condensation and mould on the inside edge of the sill. 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. Replace the metal. Learn how to install the threshold on a concrete slab floor employing varying methods that include the use of screws or fasteners and adhesives.

The sill is beveled on one side to drain water away from the house. It looks like a massive undertaking to replace the whole sill and my new door frame and sill will fit into the opening with merely grinding down the hump on the cement sill. Paint or stain the new door sill. Caulk around the outside of the door sill.

Most exterior thresholds also have a sill beneath them. Thresholds come in wood and metal both of which come with a rubber gasket for sealing out the cold. Fit the new door sill in place under the door frame.