Metal Roof Chimney Cricket Flashing

A stone and mortar chimney has an uneven surface and it is difficult to cut into.

Metal roof chimney cricket flashing.

Riverside custom fabricates all crickets sold. A cricket is sloped like a tent roof to deflect water around the chimney. The intention of a cricket flashing is to divert the water and debris around the chimney rather than allowing it to collect behind the chimney. 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. 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. This way you can get the precise fit fr your chimney or skylight every time.

The front back and side flashing metal. Chimney flashing kits are normally composed by 3 parts. Crickets are always fabricated with flanges all around. Base flashing has several components.

A well flashed joint with a cricket from riverside is key in avoiding any problems. 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. Crickets are normally but not always sold in conjunction with chimney flashing kits.