Online Certifications Directory
Fire-resistance Ratings
This category covers floor-ceilings, roof-ceilings, beams, columns, walls and partitions investigated for an hourly fire-resistance rating.
For US applications, designs are investigated in accordance with test method and acceptance criteria in ANSI/UL 263 (ASTM E 119 and NFPA 251), "Fire Tests of Building Construction and Materials." For Canadian applications, designs are investigated in accordance with the test method and acceptance criteria in CAN/ULC-S101, "Standard Methods of Fire Endurance Tests of Building Construction and Materials."
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Numbering information for Fire-resistance Designs
SEARCH HINTS: To search for a particular design, enter the design number above. To search for designs within a series, enter the alpha character(s) identifying the series followed by the first numeric character and an * (e.g. searching for L5* yields result for all L500 series designs). Refer to the numbering system to identify suitable design numbers. If your initial search yields an excessive number of matches, select "Refine Your Search" and tighten the search parameters using the desired hourly rating, company name of components used in the design, or other key words.