Best Way To Flash Bottom Of Siding

Where a butt joint is necessary use a scarf joint sloped down toward the building s exterior.

Best way to flash bottom of siding. Many times builders fail to use proper flashing at the top. When it comes to flashing siding corners many builders simply use a 1x wood corner. Lay a shingle over the step flashing starting at the roof edge. Cut a piece.

How to install step flashing under siding 1. Inside corner w flashing. Where the step flashing terminates along a sidewall is a common trouble spot for moisture problems. In areas where snow may build up add a wide band of peel and stick membrane over the step flashing but under the sheathing wrap as shown.

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. Avoid horizontal butt joints in vertical siding. The best solution is a preformed or custom bent kick out flashing to divert the water away from the siding. 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.

Otherwise dripping water will leave its mark along the siding. But unlike fiber cement 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. With plywood sidings use a z flashing at horizontal joints to shed water to the outside see figure 1 13 at above left.

Large roof overhangs can provide protection in some cases. Fasten that shingle with two galvanized nails at the. If you are just removing bottom courses of siding then you might get away with gooey flashing tape image at left that is taped over the top of the flashing and whose upper half is well bonded to the plywood or board wall sheathing. Cover with cap flashing.

Install flashing under the bottom edge of the house wrap or other weather resistant barrier shingle fashion to direct water out of the wall. 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. Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips. Slip in the flashing.

Vertical and plywood siding butt joint details. Lift the bottom shingle and slip in the kickout flashing. 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. Nail it to the sidewall or glue it if nailing isn t possible.