Roof underlayment requirements over drip edge.
Is flashing needed on the bottom edge of gambrel roof.
About half way down the roof the pitch changes from the initial gentle slope to a steeper slope designed to shed rain and snow and provide more space inside the structure of the roof.
Later on we ll investigate the finer points of applying shingles to the top row of a lean to type shed.
A gambrel or barn roof is similar in style to a gable roof with one exception.
Bend the piece in the middle of the cut slowly so that it fits over the top point of your gable and is flush to the rake fascia on both sides.
A gambrel roof is very common on barn roofs and barn style homes.
If you have a standard gable shed roof not a lean to type then you ll make a cut at the bottom of the piece of drip edge that goes over the point of the gable.
How to install drip edge.
Roof drip edge specifications are given here.
Single slope and lean to.
Also i did email asc roofing sales and their answer was drip edge flashing is installed at the leading edge of your panels top and bottom on shed type roof generally is a 1 x 3 or 1 x 2 piece of metal flashing slipped under the roofing material and over the top of the paper felting underneath the roofing panels or shingles so i suppose either would work.
Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.
Drip edge overhangs the sides of the roof and has a small metal flange that is bent away from the fascia.
Shed roofs come in all shapes and sizes but we are looking specifically at two types.
Roof drip edge is important for proper roof installation to avoid leaks and to give a straight edge to the roof eaves and gable ends.
A well installed and maintained metal roof can last a half century or more.
Now nail a roll of aluminum flashing to cover the exposed tops of the shingles on the steep section of the roof and fold it over and nail it to the top section of the roof.
Cut the z flashing as needed using metal snips or a hacksaw.
When the full length of the siding s top edge has been flashed continue installing the t1 11 siding with the bottom edge resting on top of the installed z flashing.
Seal all the nail heads with flashmate roofing sealant then cover it with flex flashing and lay down starter course the same way you did before bottom first then sides.
Installing flashing at areas where there is an interruption to the solid line of the pane such as a vent pipe roof edge chimney or wall is critical to avoid water leaking in at these junctions and water seeping into the roofing panels which can cause water damage and rotting of the roofing materials and wood.
