How To Build A Metal Roof Cricket

In this example a pitch of 12 12 and 1 1 2 x 5 1 2 rafters are specified.

How to build a metal roof cricket.

Cricket width points c to d generally the shorter of the 2 cross sections. Roof crickets can be covered with metal flashing or with the same material as the rest of the roof. This cricket s components are four pieces made from 2 4 and 3 4 plywood. Select build roof build roof from the menu and in the build roof dialog specify the pitch framing and any other attributes that you will need for the cricket.

Caulk the joints where the cricket meets the panel and the chimney as well as the screw heads. The lead counter flashing on the chimney will be installed next. The horizontal ridge board is installed level and matches the roof angle on one end and sits on a vertical support at the chimney. Reinstall the roof panel under the cricket snapping its seams back in place.

Building a cricket on an existing chimney. This way you can get the precise fit fr your chimney or skylight every time. The roof cricket is normally the same pitch as the rest of the roof but not always. The junction between a roof and a chimney or skylight is one of the most prone to leak in a roof.

Roof surface slope the slope that is in the structural deck the slope created by tapered insulation or a combination of the two. A well flashed joint with a cricket from riverside is key in avoiding any problems. A roof cricket is a ridge structure designed to divert water on a roof. Both pieces are screwed tot he roof.

Things you ll need waterproof membrane metal flashing and counterflashing level tape measure 2 by 4 inch lumber circular saw 3 4 inch plywood galvanized screws screw gun masonry saw shingles shingle nails hammer. Roof crickets are found on the high side of a chimney or when one roof meets another. Cricket panel slope the slope of the cricket panel. The roof shingles and step flashing are then replaced.

Cricket length points a to b generally the longer of the 2 cross sections.