Brick Window Sill Slope

The underneath side of the brick sill.

Brick window sill slope.

On top of the sill install a sill pan either a peel and stick membrane or a preformed sill pan. More videos in this series. I did the framing inspection on this house and gave the builder a head s up with documents images regarding the bia and irc requirements for a slope of 15 degrees. Since the primary function of sills is to divert water away from the building the top surface should slope downward and away from the building.

All horizontal brick surfaces must be sloped slanted or canted in order to promote drainage. The primary function of a sill is to channel water away from the building. Should i replace these window sills or buy all new replacement win. In the case of brick sills see figures 3 and 4 the slope should be at least 15 deg from horizontal.

I did a new home final today where the brick window ledges had a wonderful slope all the way from 0 to 4 degrees. Siltech innovative windowsill products designer white 1 2 in. Over 4 years by bv011915. Sloped sill windows feature a sill that flushes the dirt and debris out each time it rains.

Lay the brick on a flat surface with the holes facing up. I have about 7 window sills that are rotten on the outside edges. A sloped sill uses gravity to flush water out of the sill of the window. Acrylic bullnose window sill moulding model n6c108dw 212 00 212 00.

Brick 60 casing set 3 casing 634 chair rail backer 1 chair rail 413 corner block 5 cove 39 crosshead 194 crown inside. Mark a 15 degree angle on the end of each sill brick. Window sills are the major culprit with houses. The sill cannot be level or sloped back toward the building if it is to perform as intended.

Guess he didn t read or maybe it was his brick crew. Set your store to see local. Because all windows leak at some point rough openings need to shed water. One major advantage of this design is that there is little to no maintenance and less chance of structural erosion of your window frame over time.

You can slope the sill with a piece of beveled siding or install a backdam as shown in the detail.