Step flashings are quite often improperly installed on the exterior of siding.
Installation of step flashing behind lap siding.
Extra things to remember when installing step flashing.
Cover with cap flashing.
The roofing felt should be installed before you start tin.
It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc.
Use housewrap flashing tape z flashing or other items as needed to maintain the counterflashing principle.
Wide and 2 in.
Riley shows his way the only way how to install step flashing.
Flashing behind butt joints is an effective low maintenance way to comply with building code and help protect against water intrusion.
Nail the metal siding onto flashing by following siding manufacturer directions for material installation.
Longer than the shingle s exposure.
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.
Install siding on the walls down to the flashing.
Slip in the flashing.
Install step flashing with minimum 4 inch 102 mm upper leg.
This allows each step flashing piece to overlap the piece below.
Riley says most roofers use.
Cut step flashing pieces to be 10 in.
However some local building codes may require different size flashing.
Alternatively use j channel nails for vinyl.
In certain instances flashing may need to be installed on the exterior of siding.
A common problem with cement board siding products and some other types of horizontal lap siding is that older installation guidelines called for caulking the joint instead of flashing the joint.
This has proven problematic over time as caulking the joint results in unsightly surface appearances due to the different textures as well as resulted.
James hardie recommends 6 inch wide flashing that overlaps the course below by 1 inch.
Length to extend 5 in.
Riley explains its easy to do when it comes to new construction.
It is a good idea to use a harness so that less hazard appears.
Lift the bottom shingle and slip in the kickout flashing.
Properly integrate flashing with the secondary water resistant barrier.
If the kick out and step flashing can t tuck behind the siding screw on cap flashing to cover it then caulk along the top.
However in most instances step flashing should be installed behind siding.
Nail j channel for vinyl or metal siding onto the flashing.
Make sure that you leave a quarter of an inch gap between cement board or wood siding and step flashing.
Do not extend the siding or trim into the kick out flashing or gutter.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
Nail it to the sidewall or glue it if nailing isn t possible.
