Flasing Against Panel Siding

To view more details about our metal flashings you can contact a corrugated metals representative at 1 800 621 5617.

Flasing against panel siding. 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 large leg of the metal goes against the wall leaving the seat and face covering the top edge of the siding. 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. Even if the roof has been properly flashed against the sidewall this one hasn t water can still run down the side of the house and behind the siding causing rot.

Flashing is a strip of metal usually aluminum about 8 inches long and bent at 90 degrees with each side at least 5 inches wide. Oftentimes if you re installing in a re roofing situation you re going to be coming up against vinyl siding brick wood. It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc. The solution to rotting sidewalls is a small piece of bent metal called a kickout flashing at roofing suppliers which simply directs all that water away from the wall.

J flashing on transitions. In certain instances flashing may need to be installed on the exterior of siding. It is used to protect the horizontal joints between sheets of siding from water infiltration. The seat dimension 3 8 in corresponds to the siding thickness.

One of the most vulnerable areas for siding is transitions. 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. On a wall to be covered with wood cement board vinyl or metal. The flashing can be used over window trim band boards panel intersections and other vertical surfaces.

A key part of my approach is using a special piece of flashing at this. Galvanized steel z flashing is made from 28 gauge galvanized steel. How to use flashing between brick siding. A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates.

However in most instances step flashing should be installed behind siding. Installing the z trim. 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. 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.