Is flashing required on siding?
In certain instances flashing may need to be installed on the exterior of siding. However, in most instances, step flashing should be installed “behind” siding. It is always recommended to install step flashing behind stucco, Dryvit, wood panel, lap siding, vinyl siding, cedar shingle siding, etc.
How do you flash around existing siding?
Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips.. Lay a shingle over the step flashing starting at the roof edge. Cut a piece of flashing along the bend line about half the length of the strip to flash the peak of the roof.
Is metal flashing necessary?
Roof flashing, usually made from metals like aluminum, copper, or steel, is flat and thin, and prevents water from getting under shingles. All of these areas leave shingles and underlayment vulnerable to water, so the flashing is necessary to prevent leaks.
Is kick-out flashing required by code?
Wall flashing and kick-out diverters are required in the 2009 and 2012 International Residential Code (IRC) Section R703. 8 and 2015 IRC Section R703. If sidewall flashing is lacking or inadequate, water runoff can get inside the wall and cause serious damage.
What type of metal is flashing?
Flashing Materials Concealed or external flashing is typically made from sheet metals, bituminous-coated fabrics, plastic, or other waterproof membrane materials. Exposed flashing is commonly made from aluminum, copper, galvanized steel, zinc, lead, or terne.
How much does it cost to install kick-out flashing?
Generally, the cost of fixing flashing is anywhere between $15 to $25 per linear foot, which includes both the price of the new flashing itself and the caulking used to seal it in place (which is about $10 on its own or sometimes more). A total flashing replacement might cost anywhere between $300 to $600.
Where should kick-out flashing be installed?
Kick-out flashing should be installed at the end of a roof-wall intersection to divert water away from the wall and into gutters. The kick-out flashing should be large enough to handle expected stormwater flows.
