Hi guys I’m siding my house with Hardie plank in some areas and cedar shingles in others. Roof pitch is about 4/12 in one place and very steep (gambrel) in others. Lots of places where roof runs into a wall and needs flashing. We are in a heavy snow area. I want to do a really good job of flashing (most of it step flashing) using “ice and snow” and copper or whatever is the best. Roof doesn’t need replacing for another 5 years. How do I best install the flashing so the roofer (possibly me) will have the least problem installing the shingles (archetectural asphalt) and flashing later–hopefully using the flashing I put in with the siding now. Currently there is plain 12 x 36 asphalt shingles on the roof which I could replace with new 12 x 36 ” ” where I am installing flashing as I do the siding. The arch. shingles have a 6″ exposure as compared with the 5″ exposure on the present roof, so the flashing would have to be slid up when reroofing, am I not correct? Should I leave the step flashing un-nailed for future adjustment. I’d like to work “ice and snow” into the roof sidewall area too in the process. Any ideas? Thanks Charlie
Discussion Forum
Discussion Forum
Up Next
Video Shorts
Featured Story
Traditional lime wash still has tons of useful applications.
Featured Video
Video: Build a Fireplace, Brick by BrickHighlights
"I have learned so much thanks to the searchable articles on the FHB website. I can confidently say that I expect to be a life-long subscriber." - M.K.
Replies
yeah do the roof first
I've never seen an architectural shingle with a 6" reveal. Most have 5 5/8" or 5". Some have 8". If you flash the existing shingles, chances are good most of the steps will line up. You might have to alter a few. In a perfect world, doing the roof first is desirable, but not always feasable.
keep the siding 3/4" above the decking and make sure to nail the step flashing to the decking ONLY, not the side wall. A good roofer will have minimal problems re-flashing in a situation like that.
my stepflashing is not nailed anywhere and 99% of it has stayed in place (friction I guess)