Do I Need A Door Sill Pan On Concrete

An interior threshold simply rests on the floor with no sill under it.

Do i need a door sill pan on concrete. Installing a door on an uneven sill can cause the slab to bind reduce the effectiveness of the weather stripping and produce latching and locking hardware misalignment. Assume code requires pan flashings at door sills. Gregg hoyer walks you through the sill options available to you when building an exterior door unit and the pros and cons of each. The safest bet for builders.

Specifically section r703 8 1 requires pan flashing to be installed on doors and windows either to manufacture instructions or to code. The pan can be cut to size if needed. Sill options for exterior doors. Cedar shims are ok over a dry concrete subfloor but if the doorway is damp or unprotected use plastic shims.

Door thresholds come in a variety of materials such as wood marble and metal and make the transition from doorway to floor smooth and easy. Assuming that the sill pan drains to the exterior exactly like any other sill pan it s always possible to build a wooden ramp or an entry deck that provides a smooth entry method for wheelchairs. Sill options for exterior doors. Sloped sill pan for vinyl sliding door and window installation and flashing.

You may also want to replace an interior threshold because the old one is ugly or because new flooring on one side of the doorway calls for it. Sloped sill pan 3 1 4 in. Complete pack can help protect your investment against water intrusion and mold. If you want your door unit to last make sure the subsill is made from a composite material.

And even within states that have not formally adopted those codes some municipalities have. Installing a new threshold and sill will take between two and three hours.