Flashing A Slingle Pitch Roof

Using aluminum flashing as a connector between the lean to and adjacent structure is an even better way to waterproof the roof of your shed and the adjoining wall.

Flashing a slingle pitch roof.

To do this begin on one end of the ridge and place the ridge cap so that the asphalt portion points towards the end of the ridge and the adhesive points in towards the center of the roof. Step 1 use prefabricated mono trusses for the easiest and best framing on a single slope roof. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. Flashing is installed to surround roof features such as vents chimneys and skylights.

Closer look at flashing. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. I hem the 6 inch edge and the 1 2 inch drip bend to stiffen the flashing and minimize oil canning when it expands. Select an angle of slope away from a house into an area with good drainage.

It s the same piece. The piece that s going to allow us to join the panels on the lower slope and the panels on the higher slope is the pitch transition flashing or the pitch change trim. If you look here at the lower slope roof you can see that we ve already put panel on it and installed z trim as we have been doing elsewhere on this project. Drive a nail through the adhesive portion of the ridge cap into the roof decking.

The key to a good single slope roof is strong framing underneath. One common method is to lay the edge metal under the eaves membrane and over the rake image. I adjust the angle between the roof and drop legs to match the slope of the roof. Berg paraphrasing the flashing needs to be installed before installing the roof shingles the metal flashing is formed with a hook edge and cleated on 12 centers the flashing extends up the wall at least 4.

If single piece flashing is to be used according to mr. Pitch pan flashing it is very common to install pipes or other penetrations for supports through the roof surface. Standard sizing calls for a 6 inch wide roof leg and a 4 inch drop leg with a 1 2 inch drip bend at the bottom. The pitch pan can be fabricated from metal or plastic.

Measure the outline of the structure to be roofed with a tape measure or get dimensions from a house plan. Although this solution is more likely to produce a solid long term result it does require a little more work than simply applying sealant along the top edge.