Do not use the eaves as a guide instead because they can be uneven.
Install flashing rolled roofing.
Flat roof installation.
Step flashing step flashing redirects the water back onto the shingle.
Install a drip edge around the perimeter of the roof.
How to install roof flashing against a wall.
Remove flashing and install a layer of roof cement within the marks.
Attach drip edge along the edge of the roof with roofing cement.
In roofing one square equals 100 square feet.
Set it in a bed of roofing cement smooth out any creases and drive nails near the edges.
Lay it from the bottom of the roof to the top ensuring 4 inches of overlap at each base line.
How to install polymer bituminous flashing.
Install an asphalt roll surface with polymer bituminous flashing on a low pitched but not flat roof.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Install a lead flashing mark edges of flashing on the new roof.
The roofing should overhang the eaves by inch except where you install drip edge flashing on top of the roofing along the rake edge.
Install roll roofing measure 35 inches up from the eaves at several intervals along the roof and mark them.
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.
This aluminum flashing protects the edges of the roof sheathing from water.
On this video i showed you how to prepare a basic flat roof step by step hope you learn something and.
Prepare roof edges cant strips.
Install the rolled roofing first making sure it is cut tight to the plumbing vent.
Snap a chalk line as a guide for the first layer roofing.
Provide 6 inches of overlap under each side of the flashing.
You will need 1 10 gallon of lap not mastic cement for every roll and 2 pounds of roofing nails for every square.
Nail the roofing strips parallel to the roof edge set in 1 and 8 from the roof edge with nails spaced 4 o c.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
An underlayment of felt roofing is optional.
You can install roll roofing on your own but it goes more smoothly with a helper so grab a friend and get started.
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.
You can install metal valley flashing but it is common to simply apply an 18 inch wide strip of roll roofing instead.
Reinstall lead flashing mechanically fastening it to decking.
