Metal Roof Chimney Cricket Flashing

The nz metal roof and wall cladding code of practice recommends using a cricket flashing see figure 3 where the width of the penetration is more than 600 mm or the roof pitch is below 10.

Metal roof chimney cricket flashing.

The front back and side flashing metal. All metal roofing specialists feels roofing penetrations such as chimneys and skylights present some of the most challenging flashings on a metal roof. The front and back are custom fabricated to order for an exact fit. Kits made from copper lead coated copper freedom gray and tcsii are always soldered while aluminum parts are riveted and can be sealed before installation.

This way you can get the precise fit fr your chimney or skylight every time. A well flashed joint with a cricket from riverside is key in avoiding any problems. Crickets are always fabricated with flanges all around. Base flashing has several components.

A stone and mortar chimney has an uneven surface and it is difficult to cut into. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. Riverside custom fabricates all crickets sold. Chimney flashing kits are normally composed by 3 parts.

A continuous sheet metal apron across the chimney s downslope face l shaped step flashing running up both sides and when the chimney sits below the roof ridge a cricket or saddle running across the upslope face. The junction between a roof and a chimney or skylight is one of the most prone to leak in a roof. Crickets are normally but not always sold in conjunction with chimney flashing kits.