Flasing Against Panel Siding

The seat dimension 3 8 in corresponds to the siding thickness.

Flasing against panel siding.

Oftentimes if you re installing in a re roofing situation you re going to be coming up against vinyl siding brick wood. J flashing on transitions. However in most instances step flashing should be installed behind siding. 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.

In certain instances flashing may need to be installed on the exterior of 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. Galvanized steel z flashing is made from 28 gauge galvanized steel. How to use flashing between brick siding.

Installing the z trim. One of the most vulnerable areas for siding is transitions. The exterior of a house presents plenty of opportunity for leaks. Many homes have a transition point somewhere up the wall where brick gives way to some type of siding whether it s aluminum panels or cedar shingles.

A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates. Slip in the flashing. Unless you re careful step flashing can allow water from the roof to slip behind the gutter and get behind the siding and even the housewrap. Install the first length of z flashing.

After building in the proper flashing the homeowner will have a highly weather resistant engineered and treated wood siding backed by a five year 100 percent labor and replacement feature and a 50 year prorated limited warranty on the substrate. It is used to protect the horizontal joints between sheets of siding from water infiltration. A key part of my approach is using a special piece of flashing at this. The large leg of the metal goes against the wall leaving the seat and face covering the top edge 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 those instances the best thing to do is remove the siding and run the flashing up against the wall and replace the siding so that you have a watertight finish. The flashing can be used over window trim band boards panel intersections and other vertical surfaces. 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.

The warranty is transferrable to the next homeowner. 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. Nail it to the sidewall or glue it if nailing isn t possible.