Best Way To Flash Bottom Of Siding

Otherwise dripping water will leave its mark along the siding.

Best way to flash bottom of siding.

Avoid horizontal butt joints in vertical siding. Where the step flashing terminates along a sidewall is a common trouble spot for moisture problems. 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. Slip in the flashing.

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. 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 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. Large roof overhangs can provide protection in some cases.

When it comes to flashing siding corners many builders simply use a 1x wood corner. The best solution is a preformed or custom bent kick out flashing to divert the water away from the siding. 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. With plywood sidings use a z flashing at horizontal joints to shed water to the outside see figure 1 13 at above left.

Fasten that shingle with two galvanized nails at the. Cover with cap flashing. Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips. Vertical and plywood siding butt joint details.

Lift the bottom shingle and slip in the kickout flashing. Sometimes with the siding trim and door out of the way a flashing can be slid in between the house and the concrete. 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. Lay a shingle over the step flashing starting at the roof edge.

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. Inside corner w flashing. But unlike fiber cement siding. Install flashing under the bottom edge of the house wrap or other weather resistant barrier shingle fashion to direct water out of the wall.

Where a butt joint is necessary use a scarf joint sloped down toward the building s exterior. How to install step flashing under siding 1. Cut a piece. Here are four ways to use metal flashing to prolong the life of siding.