Flashing Windows Wood Siding

The installation sequence of flashing and wr products can depend on builder preferences and subcontractor trade responsibilities.

Flashing windows wood siding.

For example if the framer installs windows during framing and the siding contractor installs the house wrap the windows are installed before house wrap and the trades must coordinate to ensure proper flashing. This helps direct water out away from window. Then place the top piece of flashing tape over the cap flashing and layer the house wrap over the tape. Flashing a water repellant adhesive that s applied over window flanges and sheathing to seal out any potential leaks in or around a window.

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. See window flashing for details. Minimizes the potential for water damage. In this type of installation seal the cap flashing directly to the sheathing with high quality sealant.

These leaks are primarily around windows and doors but also occur at other penetrations and joints in the siding and trim. This is where the top of a window unit goes when installing. If you ve added wooden trim around the window the cap flashing goes over the wood trim. When it comes to flashing siding corners many builders simply use a 1x wood corner.

Inside corner w flashing. At the top tuck metal drip cap flashing under the siding and on top of the second layer of wrap. Install the kickout flashing underneath the first shingle photo 1. Here are four ways to use metal flashing to prolong the life of siding.

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. Lap the flashing tape 2. The long term solution is proper flashing. Next comes another layer of building wrap installed like the first layer.

Apply a bead of caulk to the felt and set the window in the caulk. Run the tape over the jamb. Head jamb the top of a rough opening. 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.

Caulking can help in some cases but never lasts for long and in some cases can do more harm than good.