Metal Siding Window Flashing Detail

For best protection add a metal drip cap at the top of the window caulked directly to sheathing.

Metal siding window flashing detail.

To view more details about our metal flashings you can contact a corrugated metals representative at 1 800 621 5617. It is key to preventing water intrusion. At the gable edge use a gable or sidewall flashing. Head flashings should be installed with a positive slope to the exterior.

Head flashings are used to direct water away from openings such as windows and doors. Using metal window head flashing directs the water away from the wall and eliminates that problem. Building siding flashing finish details for building corners use overlapping 1x4s or 1x6s at outside corners or use 5 4 stock for a heavier look. Window flashing is arranged in a manner that directs water down and away from the structure.

The key to success with any flashing detail is to follow the shingle principle with upper layers of waterproofing materials overlapping lower layers shedding water to the building exterior. Roof pitch the metal roofing panels shown in this manual require a mini. Flashing corrugated metals incorporated proudly introduces metal flashings as the latest addition to its product line for metal roofing and siding. Window flashing is a thin continuous piece of material that is installed to prevent water from getting into a structure from an angle or joint near windows.

To shed water and to facilitate the installation of the siding. Use a felt paper spline wrapped around the corner and extending 6 inches beyond the corner board to protect the joints where the siding meets the corner boards see figure 1 5 at left. In a previous post on gba titled metal siding window head flashing detail j trim on the top is said to be a bad idea. This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance.

The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. The flashing profiles used for for metal siding were developed for two purposes. Window door jamb head trim flashings for 1 2 corrugated metal roofing although window and door flashings are often visually unimportant in terms of aesthetics and value because they represent a tiny part of the overall build cost they are the most important items in terms of the safety and weathertightness of the building. The flashing can be used over window trim band boards panel intersections and other vertical.