Best Way To Flash Bottom Of Siding

Many times builders fail to use proper flashing at the top.

Best way to flash bottom of siding.

Where a butt joint is necessary use a scarf joint sloped down toward the building s exterior. Cover with cap flashing. The most common approach here is to install sill trim at the soffits rip down the top course of siding and crimp the siding so the sill trim holds it in place. Lay a shingle over the step flashing starting at the roof edge.

Nail it to the sidewall or glue it if nailing isn t possible. 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. Slip in the flashing. When it comes to flashing siding corners many builders simply use a 1x wood corner.

This works fine most of the time but always add a few blobs of caulking inside the bottom lip of the top course for extra security. Where the step flashing terminates along a sidewall is a common trouble spot for moisture problems. Cut a piece. If you were going to remove all of the siding for this repair you d install new housewrap and bring it down over the outside of the top of the zee flashing.

Lift the bottom shingle and slip in the kickout flashing. Vertical and plywood siding butt joint details. Otherwise dripping water will leave its mark along the siding. But unlike fiber cement siding.

Inside corner w flashing. Sometimes with the siding trim and door out of the way a flashing can be slid in between the house and the concrete. Fasten that shingle with two galvanized nails at the. Other times an l flashing over the surface of the concrete and work but keep in mind this can also trap moisture behind the the concrete.

The best solution is a preformed or custom bent kick out flashing to divert the water away from the siding. Stucco cladding install self adhesive flashing behind the weep screed a perforated metal strip at the base of the exterior walls at the height above grade specified by the local building code. Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips. Large roof overhangs can provide protection in some cases.

Avoid horizontal butt joints in vertical siding. Here are four ways to use metal flashing to prolong the life of siding. How to install step flashing under siding 1. With plywood sidings use a z flashing at horizontal joints to shed water to the outside see figure 1 13 at above left.