Install Z Flashing Siding
At the top tuck metal drip cap flashing under the siding and on top of the second layer of wrap.
Install z flashing siding. Galvanized z flashing so called because of its z shaped profile keeps water from getting through horizontal joints between sheets of plywood siding. Window and door cap 1 25 in x 120 in x 1 56 in aluminum z flashing. Add felt if needed before nailing the new wood on and prime the new wood on all four sides before installing it. How to install z flashing on rotted t1 11 siding 1.
Inspect the sidewall around and underneath the fascia and inside the house for signs of moisture damage and repair any rotted areas. Next comes another layer of building wrap installed like the first layer. Complete the installation of the first horizontal row of t1 11 siding following standard construction practices. Test the rotted area of the t1 11 siding by poking it with a nail or a screwdriver.
This is to facilitate water flow. Attach j molding to the sides of the opening. You set flashing upon top edge of each piece of plywood over a fat bead of caulk and hold it in place with just heads of roofing nails driven into sheathing. The instructions also call for at least a 1 4 gap between the materials at the site of the z flash.
When reading the installation details for hardie siding lp smart lap and tru wood sidings the z flashing is always shown with at least a 5 degree angle away from the building. Install the first length of z flashing. Attach z flashing at the top of the opening. This allows you to bend the center part of the flashing over the sides of the door to cover the.
Again slide the pieces under the siding and remove pieces of siding as necessary and reattach them after you ve nailed the flashing and molding in place. Begin at either end of the wall and set the level middle. We see it most often used at the horizontal joint between two sheets of plywood exterior siding to provide protection from water seeping in at the opening. Scrape loose paint off the rotted area with a putty knife and use 80 grit sandpaper to smooth the rough surface if.
How to install z flashing on t1 11 siding. If only the surface is damaged. Although commonly called z flashing the z has squared corners and it could as easily have been named stair step flashing. Cut half inch notches into the z flashing on both ends where the flashing bends using the tin snips.
Item 3807 model 5504900120. Install the trim just under the drip cap.