Flashing Exterior Windows Over Siding With Wood

The best option for windows is the type with a vinyl flange all the way around.

Flashing exterior windows over siding with wood.

On the exterior the pan flashing should lap over the deck or masonry flashing below. If windows and doors are properly protected with splines of felt or flashing tape there is no need to caulk the joints where siding meets the side casings. Flashing details for windows and doors. Figure 3 27 above pan flashing and threshold details below an entry door.

At the top of a door or window always direct the sheathing wrap over the head flange or cap flashing. If the sidewall is stucco or solid wood like ours and you can t open it to get flashing behind it continue the step flashing to the peak of the roof then cover the step flashing with cap flashing. Zip system sheathing exterior rigid foam insulation housewrap peel and stick membrane and fluid applied wrb. If the shingle already has flashing on it the kickout flashing has to slip beneath it and you ll have to loosen or remove siding to do this.

For a wood window unit drip cap flashing can be installed over the trim piece often called brick molding that comes. The type and location of the flashings will vary depending on the type of windows and doors. If you have vinyl or metal flanged windows for instance you can install drip cap flashing 4 the home depot over the window itself or over the top trim piece that you install. How to install z flashing on t1 11 siding hunker.

The flashing can be used over window trim band boards panel intersections and other vertical surfaces. How to install nail fin windows in 5 common wall types builder jake bruton demonstrates trusted window flashing details for walls with the following water resistive barriers. Install the window and tape the flanges to the housewrap or tar paper with flashing tape such as tyvek contractor tape. Instruction on how to install exterior 2x4 trim around a new or old window.

Whatever material is used all pans should have a dam on the ends and along the inside edge. Figure 3 26 above flashing details above and below an exterior door.