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. This cricket s components are four pieces made from 2 4 and 3 4 plywood. The roof cricket is normally the same pitch as the rest of the roof but not always. Caulk the joints where the cricket meets the panel and the chimney as well as the screw heads. A roof cricket is a ridge structure designed to divert water on 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. Things needed ruler tape measure 2 foot level hammer nail pry bar utility knife chalk line 2 inch by 4 inch board circular saw safety goggles drill 3 inch decking screws 1 2 inch oriented strand board or plywood galvanized nails ice and water shield step flashing galvanized roofing nails shingles. Cricket panel slope the slope of the cricket panel. The lead counter flashing on the chimney will be installed next.
Both pieces are screwed tot he roof. Cricket length points a to b generally the longer of the 2 cross sections. Building a cricket on an existing chimney. 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.
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. The roof shingles and step flashing are then replaced. Roof crickets can be covered with metal flashing or with the same material as the rest of the roof. Do not check build roof planes.
A well flashed joint with a cricket from riverside is key in avoiding any problems. This way you can get the precise fit fr your chimney or skylight every time. The junction between a roof and a chimney or skylight is one of the most prone to leak in a roof. Reinstall the roof panel under the cricket snapping its seams back in place.
Riverside custom fabricates all crickets sold.