Step Flashing Slate Roof

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Step flashing slate roof.

Step flashing protects the joints between the roof deck and chimneys or dormers. However step flashings are used for slates and double overlapping flat profile tiles with accompanying lead soakers like the plain tiles pictured. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Gibraltar building products 4 in.

The flashing extends up the wall at least 4. Or greater step flashing aluminum step flashing. Roof flashing chimney flashing aluminum flashing roofing shingles 50 in. If this is a repair job the siding must also be removed and replaced with the flashing.

Step flashing protects roof to wall transitions. Step flashing redirects the water back onto the shingle. Galvanized steel step flashing in weathered wood model 18912 62. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.

Step flashings there are two distinct types of step flashing on a roof and getting them wrong can create leaks. Jamsill guard sill pan flashing 4 5625 in x 40 in plastic step flashing. The metal flashing is formed with a hook edge and cleated on 12 centers. Item 831018 model 4916sp 30.

Proceed up hip with first pair of hip slates cut at an angle to fit against ridge slates. Bottom edge of strap folds up to hold pair of slates in place while adhesive sets up. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. The majority of step flashing is made out of aluminum or galvanized steel which helps to prevent rusting and the gauges are normally going to be somewhere between 011 and 019 although commercially it is typically going to be around 040 gauge.

First step flashing must be installed before the siding so that the siding can cover the top of the flashing. Step flashing fits to each course of shingles and appears to step up the wall of the chimney. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Second step flashing needs to extend 8 to 14 inches above the shingles according to the national roofing contractors association nrca.

In this case lifetime caulk. Vent pipe flashing fits over flues or pipes. All ridge slates should be caulked at joint. Step and cover flashings are mostly used for profiled tiles.

Install step flashing under each pair of hip and ridge slates.