Low Slope Roof Cricket Design

Polyiso and polystyrene roof insulations work with the crickez system.

Low slope roof cricket design.

The building owner and roof system designer are responsible for determining the roof assembly s design and method of slope for drainage and the roof deck. How to build a cricket on a low slope metal roof. Duration policies for ponding for various roof system types. I e if the roof surface slope is 1 4 ft the cricket panel slope should be 1 2 ft there are.

The industry rule of thumb is that the cricket panel slope should be twice that of the roof surface slope. The crickez system helps to simplify roof crickets with quicket. Some ponding water along cricket and saddle valleys typically will occur and should be anticipated. Skip navigation sign in.

How to build a cricket on a low slope metal roof. The functionality of the cricket is determined by the. Current practices of commercial low slope membrane roof installation frequently result in up to 50 unnecessary cricket waste. Field cut sumps valleys hips and ridges of tapered insulation sheets also create 50 material waste.

Polyiso xps and eps roof insulation all work well with quicket. Providing positive slope many components contribute to a roof system s slope and some elements are outside your responsibility. Slope cricket valley slope cricket angle distance between points 3 and 4 cricket angle 2 the manufactured slope of the cricket panel. For low slope roofs where a tapered insulation cricket or saddle creates a valley the valley s slope will be less than that of the cricket or saddle.

Crickets figure 2 are most often used in conjunction with two way tapered systems in the low points of the tapered system. Based on our experience and for the sake of argument we believe positive drainage will generally occur when the underlying slope is 1 8 inch per foot. Crickets are a secondary application of tapered insulation used to divert water from rooftop curbs valleys and low points to drains and scuppers. It means the roofer had better understand cricket design when the existing slope is less than 1 4 inch per foot and he or she wants to meet the building code.

Flat and low slope roof designs to avoid moisture condensation problems flat roofs call up a whole new breed of building moisture problems how to avoid moisture traps under flat roofs avoid mold rot caused by moisture trapped under un vented flat roofs questions answers about the cause cure prevention of moisture problems in flat roofs and similarly hard to ventilate structures. Tapered roof insulation and crickets are designed to provide effective drainage for epdm tpo pvc and built up bur membranes. Home addition design ideas duration. Depending on the roof surface slope there is an accepted maximum length to width ratio.