A roof cricket is a ridge structure designed to divert water on a roof.
How to build a metal roof cricket.
Cricket length points a to b generally the longer of the 2 cross sections.
Roof surface slope the slope that is in the structural deck the slope created by tapered insulation or a combination of the two.
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 junction between a roof and a chimney or skylight is one of the most prone to leak in a roof.
Both pieces are screwed tot he roof.
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.
Roof crickets are found on the high side of a chimney or when one roof meets another.
The roof cricket is normally the same pitch as the rest of the roof but not always.
In this example a pitch of 12 12 and 1 1 2 x 5 1 2 rafters are specified.
Building a cricket on an existing chimney.
Roof crickets can be covered with metal flashing or with the same material as the rest of the roof.
Riverside custom fabricates all crickets sold.
Do not check build roof planes.
The roof shingles and step flashing are then replaced.
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.
Reinstall the roof panel under the cricket snapping its seams back in place.
Cricket width points c to d generally the shorter of the 2 cross sections.
Cricket panel slope the slope of the cricket panel.
The horizontal ridge board is installed level and matches the roof angle on one end and sits on a vertical support at the chimney.
