How Is Flashing Attached Behind Siding

Under the eaves of a roof with little overhang and no gutters.

How is flashing attached behind siding.

Where an attached backyard deck meets the house. The part of the house that it is attached to is wood lap siding. When he shingled the new roof he just used roofing caulk where the shingles meet the wall no flashing of any kind. When it comes to flashing siding corners many builders simply use a 1x wood corner.

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. Slip the back flashing under the siding at least 3 at the top and the sides. This has proven problematic over time as caulking the joint results in unsightly surface appearances due to the different textures as well as resulted in failure of the caulk joint and associated. It should tuck under the sheathing wrap above and over the flashing below.

You may need to pry out siding first. Keep water out of your home and running down the roof where it belongs with appropriate use of step flashing. I had a contractor build a shed roof on the back side of my carport that extended over and attached to the house. If the sidewall is stucco or solid wood like ours and you can t open it to get flashing behind it continue the step flashing to the peak of the roof then cover the step flashing with cap flashing photo 2.

If nails are in the way pull them out. 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. That should pop the nail head out far enough so you can pry it out. How to install step flashing under siding.

If the shingle already has flashing on it the kickout flashing has to slip beneath it and you ll have to loosen or remove siding to do this. Inside corner w flashing. In all cases make sure to detail the flashing membrane so that it sheds water. 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.

But unlike fiber cement siding wood is almost sure to rot. Step flashing is used where a roof meets a. Install the first length of z flashing.