How To Install Flashing Under Siding

Flush the end of the flashing length with the wall corner and secure the flashing to the framing with an 8d nail at each wall stud.

How to install flashing under siding.

Apply a bead of caulk to the felt and set the window in the caulk. The water then runs off the flashing because it can t go up the flashing as it extends up behind the siding. Next comes another layer of building wrap installed like the first layer. At the top tuck metal drip cap flashing under the siding and on top of the second layer of wrap.

Otherwise you can just pry up the siding to tuck the flashing underneath. Cut a piece. This flashing is typically field fabricated from a sheet of 26 ga. Install the flashing before you install the siding during the brick wall installation for ease of use.

Lift the bottom shingle and slip in the kickout flashing. Lay a shingle over the step flashing starting at the roof edge. Begin at either end of the wall and set the level middle section of the z flashing onto the top edge of the siding panel with the wider flange upward and against the wall framing. Posted march 4 2017 filed under roof installation roof repair maintenance.

Fasten that shingle with two galvanized nails at the. Install the first length of z flashing. Snap a chalk line cut out the siding and tack up the ledger board. Bent into an l shape.

Where a slope roof meets a sidewall slip the upper legs of the step flashing under the sheathing wrap see illustration. How to install step flashing under siding 1. Galvanized sheet metal bent at a 90 degree angle i e. Nail it to the sidewall or glue it if nailing isn t possible.

Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips. If the kick out and step flashing can t tuck behind the siding screw on cap flashing to cover it then caulk along the top. Where snow buildup is likely add a wide band of peel and stick membrane lapped over the step flashing but under the sheathing wrap. Install the trim just under the drip cap.

Start by making an outline on the siding where you want to position the ledger board. Slip in the flashing. Then slip flashing behind the siding covering the top edge of the ledger. With the flashing in place let s see what happens.

Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides. Cover with cap flashing.