WebCertainTeed Type X Gypsum Board has a Flame Spread rating of 15 and Smoke Developed rating of 0, in accordance with ASTM E 84, (UL 723, UBC 8-1, NFPA 255, CAN/ULC-S102). "UL Classified for Fire Resistance (ANSI/UL 263; ASTM E119) and listed under UL File No. CKNX.R3660" Applicable Standards: meets ASTM C1396. WebNov 9, 2024 · The flame spread rating of Class B would fall between 26 and 75. This rating is typical for slower-burning whole wood materials. A whole wood material would be wood planks that are in the same form as they were when they were cut from the tree. They burn more quickly than Class A materials and more slowly than Class C materials.
Section 3 of the Ontario Building Code
WebFlame Spread Rating for Walls in Exits 90% of the exposed surfaces of every wall in an exit shall have a surface flame spread rating of not more than 25. For lobbies this percentage is reduced to 75% of the wall area with an FSR of 25 (OBC 9.10.16.3. (2) Flame Spread Rating for Walls in Corridors http://canadabuilds.com/Resources/Means%20of%20Egress.aspx shark vacuum cleaner nv602ukt review
Section 9.10 Fire Protection (Division B — Part 9) - BC Publications
Web1) At least 90% of the total wall surface in any unsprinklered public corridor shall have a surface flame-spread rating of not more than 75, or at least 90% of the upper half of such walls shall have a surface flame-spread rating of not more than 25. (See Article 9.10.17.6. WebThe National Fire Protection Association (NFPA) Life Safety Code has five classes of flame spread, which rates materials on a scale of 0-500+. This rating measures the rate at which a flame will spread over a material. Red oak has a rating of 100 and anything considered Class A fire-resistant needs a rating of 0-25. Web9.10.3.2. Flame-Spread Ratings. 1) Where a flame-spread rating is required in this Section for an element of a building, such rating shall be determined in accordance with the test methods described in Part 3, or in accordance with Appendix D. population of bishop auckland