This way you can get the precise fit fr your chimney or skylight every time.
How to build a metal roof cricket.
This cricket s components are four pieces made from 2 4 and 3 4 plywood.
Roof crickets can be covered with metal flashing or with the same material as the rest of the roof.
Cricket panel slope the slope of the cricket panel.
A well flashed joint with a cricket from riverside is key in avoiding any problems.
The lead counter flashing on the chimney will be installed next.
Riverside custom fabricates all crickets sold.
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.
Roof crickets are found on the high side of a chimney or when one roof meets another.
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.
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.
Roof surface slope the slope that is in the structural deck the slope created by tapered insulation or a combination of the two.
Building a cricket on an existing chimney.
In this example a pitch of 12 12 and 1 1 2 x 5 1 2 rafters are specified.
The junction between a roof and a chimney or skylight is one of the most prone to leak in a roof.
The roof shingles and step flashing are then replaced.
Cricket length points a to b generally the longer of the 2 cross sections.
Cricket width points c to d generally the shorter of the 2 cross sections.
Caulk the joints where the cricket meets the panel and the chimney as well as the screw heads.
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.
Do not check build roof planes.
