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Certain flame-retardant wood-shake roofs allowed in Cerritos

Updated April 6, 2020

Certain types of wood-shake materials that have achieved a Class A fire rating are allowed in Cerritos.

Residents building a new home or replacing more than 40 percent of an existing roof may now choose chemically treated fire retardant wood-shake or shingle systems that will resist fire for the life of the roofing material. The material must be rated as Class A by the International Conference of Building Officials.

Other permitted materials include heavy-butted asphalt shingles (also known as "dimensional" fiberglass shingles), synthetic tile, concrete tile, clay tile or metal-coated material which simulates the appearance of clay or concrete. All materials are required to have a minimum Class-C fire retardant rating and a minimum 30-year warranty.

Before beginning any re-roofing project or hiring a roofer, residents should stop by the Community Development counter on City Hall's second floor to obtain an application for their project. A roofing application form is also available on the City's website. The resident must sign the application and give it to his roofing contractor. The roofing contractor must bring the signed application to City Hall when he pulls a required roofing permit. The permit must be obtained by the contractor before any work begins.

Residents should also beware of door-to-door salespeople offering "tune ups" for wood shake roofs. The scam artists simply spray oil on the roof to make it look good, until the very next rain washes it away. The oil does not protect or restore the roof in any way.

For more information on roofing in Cerritos, call the Building and Safety Division at (562) 916-1209.


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