Installing A Roof Cricket

By Robert Robillard on Roofing

Installing A Roof Cricket

What’s a roof cricket?

Before installing a roof cricket you first should understand what it is and why it is important.

A roof cricket is a ridge structure designed to divert water on a roof. Generally found on the high side of a chimney or the transition from one roof area to another, the cricket is normally the same pitch as the rest of the roof, but not always. Crickets can be covered with metal flashing or with the same material as the rest of the roof.

Crickets are also often referred to as “saddles” in this context.

Installing A Roof Cricket

When the chimney is at the bottom of a roof slope or has roof sloping into it I always install a cricket. Below are some pictures of a cricket I recently installed.

Installing A Roof Cricket

 

Prevent Roof Leaks ~ How To Build A Roof Cricket

Chimneys are notorious for leaking, and the culprit is almost always the sheet metal flashing. It doesn’t take an expert to spot problems—simply look for water-stained ceilings or other telltale signs of leaking in the vicinity of your chimney.

Because chimneys are such a potential trouble spot, consider installing a roof cricket as well as  inspect them once every year or two for loose or missing flashing and cracks in the masonry. Small cracks can be sealed with caulk designed to repair masonry.

This chimney pictured below is on a Main Street Concord house. A leak caused rot roof sheathing rot, ant infestation and plaster damage in a bedroom below

We determined the cause of the leak to be several things; lack of an adequate waterproof underlayment [rubber ice and water shield], fatiguing lead chimney flashing and the lack of a roof cricket.

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About the author

Robert Robillard

Carpenter / Remodeler / Editor / Video Talent

Robert Robillard is a general contractor, carpenter and editor of AConcordCarpenter.com and principal of a full service renovation company located in Concord, Massachusetts; A Concord Carpenter, LLC. Rob is a recognized leader in tool and how-to information for building professionals, he also hosts the Concord Carpenter Cable TV Show, offering the do-it-yourself audience in Boston’s Meto West region expert advice on home repairs and maintenance. On his website, Rob covers all aspects of home improvement, remodeling, and specializes in problem solving for home maintenance. Rob is a recognized leader in tool and how-to information for building professionals. He enjoys using his knowledge and experience to help and educate on best practices in the remodeling industry. The Concord Carpenter’s motto: “Well done is better than well said!”. Rob is a a regular contributor to DIY magazine Extreme-How-To Magazine and assistant editor at ToolBoxBuzz. He is also a tool safety and training coordinator for Push America on their Build America project.

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Comments

  1. Tom Mayer says:

    My home has a roof where three different roofs meet together. The plans called for a cricket to be put in the middle of them. The roofer changed the pitch in the roof to such a low point that shingles can no longer be used. Rolled roofing looks bad and the color is very different. I am not happy as the roof looks patched. Can you tell me how a cricket can be used so matching shingles can be used?
    Thank you.
    Tom Mayer

    1. Concord Carpenter says:

      Hi Tom,

      I suggest using rubber roofing or if the budget can handle it – copper!

  2. [...] by a certified chimney sweep.8. Check the chimney flue and cap for cracks or leaking. Install a roof cricket if needed to prevent a roof leak.9. Inspect concrete steps, patios and slabs for signs of cracks or [...]

  3. rick durst says:

    thks for the tutorial it made this repair job easy, thkz

    1. Concord Carpenter says:

      Your welcome – did you do it on your own house?

  4. [...] than later, will have two rows [6 feet] of ice and water shield going from the roofs edge up.The roof leak was concentrated in one specific area which is over a closet that houses the air conditioner unit. [...]

  5. Gordon Axtman says:

    Is the Concord Carpenter for hire?? I need a roof cricket built on a flat rubber roof of the bedroom addition over the attached garage on my cape-style house in Arlington, Ma. Reason for wanting the cricket built is to eliminate water ponding and more importantly, snow build up in winter. Can no longer get up there to shovel the roof in winter. Am interested in having you look at the potential job or any advice or recommendations would be greatly appreciated. Thanks.

    1. Concord Carpenter says:

      yes – email me with details. robertrobillard@verizon.net

  6. HVAC Joey says:

    I absolutely love this tutorial.

    It shows how to build a roof cricket better than any site I’ve found on the web.

    Many thanks, and happy roofing!

  7. [...] time installing a chimney cricket behind a chimney can resolve leak [...]

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