Product Approval (Test Lab)

LADBS approves alternate building materials or products that are at least equivalent to the materials prescribed in the code in terms of quality, effective time period of fire resistance, strength, effectiveness, durability and safety.

LA Research Reports (LARR)
Building Research Section (BRS)
Mechanical Test Lab (MTL)
Electrical Test Lab (ETL)

About Test Lab

Approved materials are published as Los Angeles Research Reports (LARR).

For licensing of product approval test labs, refer to the Materials Control section in the Inspection Bureau.

Additional Resources

  • FAQ

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Building verification is required after all other division clearances have been obtained.

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In apartment buildings, when carpet is installed in an assembly meeting the STC 50 requirement.

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A Certificate of Occupancy is required for new buildings, additions, change of use or occupancy.

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Commissioning report is required for all new non-residential projects of 10,000 square feet or more. The exceptions are warehouses, open parking garages and similar projects.

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When the customer decides not to use anti graffiti coating on the first 9 feet of the exterior of the building.

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When required by the engineer or indicated on the approved plans.

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When there are higher stresses in the structural design.

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When all wallboard has been installed and nailed or screwed in.

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When clearance for the electrical is required to process the Certificate of Occupancy.

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When the building is a title 19, A or E occupancy.

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