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Metal pieces that direct water away from joints and transitions on a roof.
Metal or synthetic material installed at roof joints, transitions, and penetrations to prevent water infiltration. Flashing is one of the most failure-prone elements of any roofing system.
A guide to the main types of roof flashing, including step, drip edge, valley, counter, kickout, and chimney flashing, each designed for a specific transition or penetration.
Individual L-shaped pieces of metal woven into each shingle course where a roof plane meets a vertical wall, creating a stair-step water barrier.
An angled metal strip installed along the eave and rake edges of a roof that directs water runoff away from the fascia and into the gutter system.
The process of fixing or replacing damaged, corroded, or displaced flashing to restore a watertight seal at roof joints and penetrations.
Flashing installed where a roof plane meets a vertical wall surface, including both sidewall (step flashing) and headwall (continuous apron flashing) applications.
Metal or membrane material installed in the channel where two sloping roof planes converge, directing high volumes of water safely down to the eave.
A multi-part flashing assembly that seals the junction between a chimney and the surrounding roof, typically consisting of base flashing, step flashing, counter flashing, and a rear cricket or saddle.
Metal flashing installed over the top of base or step flashing, typically embedded into a masonry wall or chimney mortar joint, to create a two-layer water barrier.
An angled diverter installed at the bottom of a roof-to-wall intersection that directs water into the gutter instead of allowing it to run behind the wall cladding.
The process of cutting, bending, and securing metal flashing at roof transitions, penetrations, and edges to create a continuous watertight barrier across the roofing system.
Specialized flashing assemblies designed to seal the junction between a chimney and a standing seam or exposed fastener metal roof, accounting for the unique profile and thermal movement of metal panels.
A continuous piece of bent metal flashing installed at headwall junctions where a roof slope terminates at the base of a vertical wall, also used as the front base flashing at chimneys and skylights.
Flashing components specifically designed for standing seam and exposed fastener metal roofing systems, including trim profiles, transition pieces, and closure strips that integrate with the raised panel geometry.
Flashing used where a metal roof transitions to a different roof material, a lower roof plane, a wall, or a change in slope, bridging the gap between dissimilar surfaces or profiles.
Roof flashing made from copper sheet metal, valued for its extreme longevity, corrosion resistance, and distinctive patina, commonly used on high-end residential and historic buildings.
Flashing installed where the upper end of a roof slope terminates at a vertical wall, also known as headwall flashing, using a continuous apron piece to redirect water away from the wall junction.
Valley flashing specifically designed for metal panel roofing systems, addressing the unique challenges of sealing the convergence channel between two metal roof planes with raised ribs or standing seams.
A simple L-shaped piece of bent metal used at various roof-to-wall transitions, window and door head details, and other locations requiring a basic angled water diverter.
A cone-shaped rubber or lead collar with a flat metal or rubber base that seals around plumbing vent pipes, HVAC exhaust pipes, and other round penetrations through the roof deck.
Metal flashing installed at the top of a parapet wall or roof curb on a flat or low-slope roof that caps the wall and prevents water from entering the wall assembly from above.
Roof flashing fabricated from aluminum sheet metal, valued for its light weight, natural corrosion resistance, and suitability for coastal and corrosive environments where galvanized steel degrades quickly.
A pipe boot flashing specifically designed for metal roofing systems, with a base profile that conforms to standing seam or corrugated panel ribs and a flexible collar that seals around vent pipe penetrations.
Flashing installed where a lean-to (shed-style) metal roof attaches to an existing building wall, managing the critical wall-to-roof transition on a single-slope structure.
A multi-piece flashing kit that seals the junction between a skylight frame and the surrounding roof, typically including sill flashing, step flashing, head flashing, and a saddle or cricket on wider units.
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