Step flashing is recommended for use with asphalt shingles slate and wood roof systems instead of a continuous l shaped flash ing piece so water is directed onto the top surface of the roof covering and not the underlayment.
Roofing step flashing 10x12.
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However because of the unique shape of many.
Step flashings the detail also applies to slate tile and wood roof systems.
The pitch of the roof is the rise over a 12 inch run.
Posted march 4 2017 filed under roof installation roof repair maintenance.
For example a 4 12 pitch roof that is 100 square feet.
Install the step flashing before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.
Bent into an l shape.
This flashing is typically field fabricated from a sheet of 26 ga.
Step flashing has its name due to its look after installation as steps going up on a wall.
It is used for protection against water leakage when a roof meets a vertical structure such as a wall or chimney for example.
L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface.
Place the nails on the base of the step flashing piece so you re nailing into the deck.
First apply sealant to the base of the flashing.
Use our roof pitch calculator to find the pitch of your roof.
Or greater step flashing aluminum step flashing.
Roof pitch area multipliers.
Use roofing cement and two nails to secure it to the roof deck.
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Also place the nails high so the next course of shingles will cover them.
Galvanized sheet metal bent at a 90 degree angle i e.
Gibraltar building products 4 in.
Roof flashing chimney flashing aluminum flashing roofing shingles 50 in.
L flashing can be cut into smaller lengths to use as step flashing.
More product details close.
Item 831018 model 4916sp 30.
How doers get more done.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
100 1 054 105 4ft 2.
Galvanized steel step flashing in weathered wood model 18912 62.
Once the kick flashing and first piece of step flashing are secure you have to apply a shingle.
Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area.
