Installation Of Step Flashing Behind Lap Siding

Make sure that you leave a quarter of an inch gap between cement board or wood siding and step flashing.

Installation of step flashing behind lap siding.

Step flashings are quite often improperly installed on the exterior of siding. Nail it to the sidewall or glue it if nailing isn t possible. Properly integrate flashing with the secondary water resistant barrier. Make sure that you remain cautious when you are on the roof.

It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc. Nail the metal siding onto flashing by following siding manufacturer directions for material installation. Longer than the shingle s exposure. The roofing felt should be installed before you start tin.

This allows each step flashing piece to overlap the piece below. 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. Bend the 10 in. However some local building codes may require different size flashing.

This has proven problematic over time as caulking the joint results in unsightly surface appearances due to the different textures as well as resulted. 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. Riley explains its easy to do when it comes to new construction. Do not extend the siding or trim into the kick out flashing or gutter.

Cut step flashing pieces to be 10 in. Alternatively use j channel nails for vinyl. It is a good idea to use a harness so that less hazard appears. Leave a 1 4 inch gap between the step flashing and wood siding or cement board.

Riley says most roofers use. Length to extend 5 in. James hardie recommends 6 inch wide flashing that overlaps the course below by 1 inch. Install step flashing with minimum 4 inch 102 mm upper leg.

Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. Use housewrap flashing tape z flashing or other items as needed to maintain the counterflashing principle. 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. Flashing behind butt joints is an effective low maintenance way to comply with building code and help protect against water intrusion.

Riley shows his way the only way how to install step flashing. Nail j channel for vinyl or metal siding onto the flashing. Extra things to remember when installing step flashing. Cover with cap flashing.

Wide and 2 in. In certain instances flashing may need to be installed on the exterior of siding. Lift the bottom shingle and slip in the kickout flashing.