Install a drip edge around the perimeter of the roof.
Install flashing rolled roofing.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Snap a chalk line as a guide for the first layer roofing.
This aluminum flashing protects the edges of the roof sheathing from water.
Set it in a bed of roofing cement smooth out any creases and drive nails near the edges.
Install a lead flashing mark edges of flashing on the new roof.
How to install polymer bituminous flashing.
Install drip edge flashings roofing felt and wsu if needed.
In roofing one square equals 100 square feet.
You will need 1 10 gallon of lap not mastic cement for every roll and 2 pounds of roofing nails for every square.
An underlayment of felt roofing is optional.
The roofing should overhang the eaves by inch except where you install drip edge flashing on top of the roofing along the rake edge.
Flat roof installation.
Install an asphalt roll surface with polymer bituminous flashing on a low pitched but not flat roof.
Remove flashing and install a layer of roof cement within the marks.
Do not use the eaves as a guide instead because they can be uneven.
How to install roof flashing against a wall.
While this flashing is self adhesive it is.
Lay it from the bottom of the roof to the top ensuring 4 inches of overlap at each base line.
You can install metal valley flashing but it is common to simply apply an 18 inch wide strip of roll roofing instead.
Prepare roof edges cant strips.
Reinstall lead flashing mechanically fastening it to decking.
You can install roll roofing on your own but it goes more smoothly with a helper so grab a friend and get started.
Provide 6 inches of overlap under each side of the flashing.
Water can accumulate in the roofing or flashing on a flat roof causing ponding that will eventually result in rotted underlayment and a roof leak.
Install drip edge and install 9 cant strips of roll roofing material along the rake and eaves edges gable ends and lower roof edge such that the roofing strip overhangs the roof deck by 1 4 to 3 8.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Step flashing step flashing redirects the water back onto the shingle.
Install roll roofing measure 35 inches up from the eaves at several intervals along the roof and mark them.
Attach drip edge along the edge of the roof with roofing cement.
Cut the sections of flashing with tin snips as needed and nail.
