How To Flash Trim Siding

When it comes to flashing siding corners many builders simply use a 1x wood corner.

How to flash trim siding. Snap a chalk line cut out the siding and tack up the ledger board. Then slip flashing behind the siding covering the top edge of the ledger. Use a felt paper spline wrapped around the corner and extending 6 inches beyond the corner board to protect the joints where the siding meets the corner boards see figure 1 5 at left. Normally this wall would have a house wrap on it like tyvek.

Lift the bottom shingle and slip in the kickout flashing. I don t think the joints caulked when it was installed. Many times builders fail to use proper flashing at the top of windows. The joints now have separated and i can see a white paper below.

Begin at either end of the wall and set the level middle section of the z flashing onto the top edge of the siding panel with the wider flange upward and against the wall framing. Start by making an outline on the siding where you want to position the ledger board. In an existing construction you might have siding whether it be vinyl wood or brick. There you have a z trim and an end wall flashing that have been joined using a stitch screw.

In this case we ve gone against new construction. Here s an example of proper installation of dormer trim siding and flashing installed by crown builders siding and windows inc. Nail it to the sidewall or glue it if nailing isn t possible. Here are four ways to use metal flashing to prolong the life of siding.

Building siding flashing finish details for building corners use overlapping 1x4s or 1x6s at outside corners or use 5 4 stock for a heavier look. I can t find any information on the web as to what this would mean. Flush the end of the flashing length with the wall corner and secure the flashing to the framing with an 8d nail at each wall stud. Inside corner w flashing.

Inspect the sidewall around and underneath the fascia and inside the house for signs of moisture damage and repair any rotted areas.