Wednesday, July 25, 2007Separate Sills - Wood doors More manufacturers are furnishing the overhanging portion of their sills as a separate piece to fit into the main sill with a tongue-and-groove joint. Having no overhang on the sill enables the unit to nest tightly during shipping, which eases handling and reduces damage. Separate sill extensions can be cut in the field to create whatever length of horn is necessary. However, separate sills have a serious drawback: Water can infiltrate the joint between the extension and the primary sill and lead to decay.
To prevent this, set them in a generous bed of caulk exception is a door that takes a full step down to a deck or stoop. In that situation, the casing runs past the sill to the deck, while a durable kick board fits between the leg casings instead of the siding. A kick board can take more abuse than siding. Keep the ends of the casings and the bottom of the kick board at least ½ in. above a deck or patio to prevent decay. Joining the casing is pretty straightforward. Join brick mold with miters. Flat casings are better joined with butt joints, because large miters tend to open in exterior work. I like to reinforce the joint by driving a screw down from the headpiece into the leg. For more information please contact Greatdoorsandgates.com developer of Wood doors and Wrought iron doors.
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