Roof Cricket Detail

This detail illustrates the use of a cricket to divert water above the chimney to either side.

Roof cricket detail.

Construction details are provided for the following spf roof system types. Mark the height of the cricket on the back edge of the chimney. Cricket roofing from wikipedia the free encyclopedia for other uses see cricket disambiguation. The roof cricket is normally the same pitch as the rest of the roof but not always.

Jun 15 2017 explore anibal carbonell s board roof cricket on pinterest. In this example a pitch of 12 12 and 1 1 2 x 5 1 2 rafters are specified. A roof cricket is a ridge structure designed to divert water on a roof. The detail drawings are grouped by details and can be downloaded below in dwg or pdf format.

Do not check build roof planes. The cricket can be a one piece design or a two piece joined by a standing seam at its ridge. 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. Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems.

Chapter 8 construction details provides technical information concerning the design and installation of construction details for quality spf roof systems. Cricket valley slope is independent of the cricket material slope. The functionality of the cricket is determined by the cricket valley slope. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.

Cricket panel slope is typically double the roof surface slope. 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 crickets can be covered with metal flashing or with the same material as the rest of the roof. Depending on the roof surface slope there is an accepted maximum length to width ratio.

This introduction is intended to supplement the special notes on the individual construction details. Roof crickets are found on the high side of a chimney or when one roof meets another.