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Key Steps for a Proper Roof-to-Wall Seal During Opening Work

https://getwindowinstallationindex.brightsora.com/posts/key-steps-for-a-proper-roof-to-wall-seal-during-opening-work

When cutting into a roof for a new skylight or vent, the real challenge is keeping water out. Start by stripping back shingles far enough to expose the sheathing, then cut your opening cleanly. Install flashing in a step-fashion, weaving the top layer under the shingles above and overlapping each lower piece. Seal every nail head with a dab of roofing cement, and run a continuous bead of butyl sealant where the vertical wall meets the roof deck. Finally, check that your counter-flashing is regl…