How To Install A Cricket On A Flat Roof

The height should be at least as high as the slope in order to direct water away from the chimney so if the slope is 4 in 12 place.

How to install a cricket on a flat roof. Roof surface slope the slope that is in the structural deck the slope created by tapered insulation or a combination of the two. The horizontal ridge board is installed level and matches the roof angle on one end and sits on a vertical support at the chimney. A cricket or saddle diverts water around the high point of a chimney or from one roof area to another. Before installing a roof cricket you first should understand what it is and why it is important.

Today firms make tapered roof insulation crickets that are pre cut. Benchmark foam expanded polystyrene eps crickets are used to divert water around rooftop units or obstructions correct differential heights of adjacent roof decks and. The lead counter flashing on the chimney will be installed next. Both pieces are screwed tot he roof.

Install a waterproof membrane over the cricket sides and edges fastened to the cricket with a construction stapler. Cricket length points a to b generally the longer of the 2 cross sections. This cricket s components are four pieces made from 2 4 and 3 4 plywood. Roof crickets are found on the high side of a chimney or when one roof meets another.

Cricket width points c to d generally the shorter of the 2 cross sections. A roof cricket is a ridge structure designed to divert water on a roof. The roof shingles and step flashing are then replaced. Cricket panel slope the slope of the cricket panel.

The roof cricket is normally the same pitch as the rest of the roof but not always. Put metal flashing along the sides of the cricket nailed in place to overlap seams with the roof. Any tapered foam roof system will be a vast improvement over an older flat roof design.