Therma Tru Sill Extender Installation

To install the new door thresholds you need to refer to the manufacturer s instructions.

Therma tru sill extender installation.

Place the right and left sill pan ends onto the sealant beads and tightly. The kit will extend the frame and sill from a 4 9 16 wall condition to 6 9 16. The purpose of these instructions is to illustrate how to install a therma tru door system using methods and materials that help eliminate water related leaks. Because door thresholds are made using different material your manner of installation should also differ according to the make.

If a sill extender is used place a large bead of caulk at the junction of the extender and the sill. If a sill extender is used place a bead of elastomeric or polyurethane. Step 2 if applicable. Door system frame extender install the sill extender onto the threshold by inserting the radius edge of the extender into the groove at the front outside edge of the threshold fig 4.

Apply sealant to the floor beneath the door opening affixing any sill pan sill extender or brickmould you may be using. Put the curved edge of the extender run a 1 8 bead of caulk in around the perimeter of the frame fig 6 and then apply the extension jamb sides onto the. If the directions. Installation with a sill pan.

Regardless of the material you need to lay your door threshold on top of your door sill and secure it there. Our adjustable sills allow flexibility to adjust the sill cap vertically to close gaps over time helping to maintain a tight seal between the sill and bottom of the door. 3 place unit in opening and temporarily fasten. If a sill extender is used place a large bead of caulk at the junction of the extender and the sill approach.

Be sure to use at least an entire tube when caulking along the sub floor and follow sealant manufacturer s instructions. Genuine therma tru sills are engineered with features to help minimize the potential for leaks and drafts. This extender kit is designed to work with masonite 3 0 x 6 8 36 x 80 and smaller inswing and out swing door systems. Caulking back side of brickmould.

Therma tru is not responsible for improper installation. Is to illustrate how to install a therma tru door system using methods and materials that help eliminate water related leaks. Rather than eliminate or change any steps that. Installation without a sill pan lay the door unit on edge or face so that the bottom surface of the sill can be caulked place very large beads of caulk across the full width of the sill.