Flashing A Slingle Pitch Roof

Typically these supports are flashed in with a rectangular box that is referred to as a pitch pan.

Flashing a slingle pitch roof.

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. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. 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. The pitch pan can be fabricated from metal or plastic.

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. 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. One common method is to lay the edge metal under the eaves membrane and over the rake image. Select an angle of slope away from a house into an area with good drainage.

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. This type of detail is common with all membrane systems and installation is similar with all of them. If single piece flashing is to be used according to mr. Measure the outline of the structure to be roofed with a tape measure or get dimensions from a house plan.

It s the same piece. I hem the 6 inch edge and the 1 2 inch drip bend to stiffen the flashing and minimize oil canning when it expands. I adjust the angle between the roof and drop legs to match the slope of the roof. Step 1 use prefabricated mono trusses for the easiest and best framing on a single slope 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. For pitched roofs regardless of the application or type of flashing used the purpose of flashing is to direct the flow of water that leaks into the intersection down and away from the interior of the structure to the topside of the roofing material. 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. Flashing is installed to surround roof features such as vents chimneys and skylights.

The key to a good single slope roof is strong framing underneath. Closer look at flashing.