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Install step and kick-out flashing at all roof-wall intersections to protect walls from water intrusion, and install boot or collar flashing at all roof penetrations to protect roofs from leaks. Install corrosion-resistant flashing pieces that are overlapped in a shingle fashion.
- Flashing of Roof-Wall Intersections in Existing Homes
Either continuous L-metal flashing or step flashing is used...
- Flashing of Roof-Wall Intersections in Existing Homes
Place a piece of step flashing on top of the first row of shingles that butts up against a vertical wall or structure. Embed each step flashing piece in a 3-inch-wide application of asphalt plastic cement and nail to the roof deck with two nails. Do not nail the flashing pieces to the vertical wall.
Water can easily seep into the joints where the roof meets a vertical wall, leading to severe damage like leaks, mold, and rot. Step flashing effectively directs water away from these vulnerable areas, ensuring that your home remains dry and protected.
16 Δεκ 2023 · Master roof flashing installation against walls with our step-by-step guide. Ensure proper water drainage and protect your home from leaks.
13 Μαΐ 2021 · Flashing is vital for specific areas around the roof: where the roof abuts a wall, low points where two roof slopes converge (called valleys), roof protrusions (such as skylights), and roof edges (called rakes and eaves).
Either continuous L-metal flashing or step flashing is used to prevent water intrusion into the wall where a sloped roof intersects a vertical wall. Step flashing is used with shingle roofs; continuous flashing is used with metal and rubber membrane roofs.
Unless you’re careful, step flashing can allow water from the roof to slip behind the gutter and get behind the siding and even the housewrap. A key part of my approach is using a special piece of flashing at this vulnerable intersection called kickout flashing or kickout diverter.
