Installation Of Step Flashing Behind Lap Siding

Alternatively use j channel nails for vinyl.

Installation of step flashing behind lap siding.

Do not extend the siding or trim into the kick out flashing or gutter. Riley explains its easy to do when it comes to new construction. Leave a 1 4 inch gap between the step flashing and wood siding or cement board. Install step flashing with minimum 4 inch 102 mm upper leg.

Bend the 10 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. Nail the metal siding onto flashing by following siding manufacturer directions for material installation. It is a good idea to use a harness so that less hazard appears.

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. However some local building codes may require different size flashing. It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc. 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.

Length to extend 5 in. Use housewrap flashing tape z flashing or other items as needed to maintain the counterflashing principle. Make sure that you remain cautious when you are on the roof. Slip in the flashing.

Cut step flashing pieces to be 10 in. Flashing behind butt joints is an effective low maintenance way to comply with building code and help protect against water intrusion. Step flashings are quite often improperly installed on the exterior of siding. Install siding on the walls down to the flashing.

Nail j channel for vinyl or metal siding onto the flashing. Cover with cap flashing. The roofing felt should be installed before you start tin. Properly integrate flashing with the secondary water resistant barrier.

However in most instances step flashing should be installed behind siding. Wide and 2 in. Lift the bottom shingle and slip in the kickout flashing. Make sure that you leave a quarter of an inch gap between cement board or wood siding and step flashing.

In certain instances flashing may need to be installed on the exterior of siding. Riley shows his way the only way how to install step flashing. James hardie recommends 6 inch wide flashing that overlaps the course below by 1 inch. Extra things to remember when installing step flashing.

Riley says most roofers use. 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. This has proven problematic over time as caulking the joint results in unsightly surface appearances due to the different textures as well as resulted.