Installation Of Step Flashing Behind Lap Siding

Leave a 1 4 inch gap between the step flashing and wood siding or cement board.

Installation of step flashing behind lap siding. The roofing felt should be installed before you start tin. 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 step flashing with minimum 4 inch 102 mm upper leg. Flashing behind butt joints is an effective low maintenance way to comply with building code and help protect against water intrusion.

Nail j channel for vinyl or metal siding onto the 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. Bend the 10 in. However some local building codes may require different size flashing.

Wide and 2 in. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. Make sure that you remain cautious when you are on the roof. Install siding on the walls down to the flashing.

Cover with cap flashing. Alternatively use j channel nails for vinyl. Do not extend the siding or trim into the kick out flashing or gutter. This allows each step flashing piece to overlap the piece below.

Nail the metal siding onto flashing by following siding manufacturer directions for material installation. Longer than the shingle s exposure. However in most instances step flashing should be installed behind siding. Nail it to the sidewall or glue it if nailing isn t possible.

Riley explains its easy to do when it comes to new construction. 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. Step flashings are quite often improperly installed on the exterior of siding. Slip in the flashing.

In certain instances flashing may need to be installed on the exterior of siding. Extra things to remember when installing step flashing. Use housewrap flashing tape z flashing or other items as needed to maintain the counterflashing principle. It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc.

Properly integrate flashing with the secondary water resistant barrier. Cut step flashing pieces to be 10 in. 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 says most roofers use.

It is a good idea to use a harness so that less hazard appears. Length to extend 5 in. Riley shows his way the only way how to install step flashing.