Architectural Library
Our mission at Bristolite is to provide our customers with the highest quality products and supreme service at an exceptional value. We also aim to provide the industry with an abundance of accurate and useful information relative to daylighting and energy conservation. We take our corporate responsibility to our employees, associates, industry colleagues and customers very seriously and we see ourselves as stewards for the efficient use of sustainable carbon free energy.

September 30, 2010

Carl Schmidt, Bristolite

Smoke and heat vents, working in conjunction with draft curtains, have long been used as an effective fire protection measure. They can typically be found installed in warehouses, stores and malls. They provide a pre-established path for hot gases and smoke to exit a building and offer several key benefits:

  • Minimize structural damage
    By preventing heat from mushrooming over the fire area and heating other materials to the point of ignition, fire venting has a marked effect on reducing the lateral spread of fire
  • Improve fire-fighting efficiency and safety
    Fire vents allow arriving firefighters to quickly determine the approximate interior location of the fire by observing the exterior location of the smoke plume from the open vents. Prompt venting has also been proven to reduce dangerous heat, vision-obscuring smoke and toxic or potentially explosive products of combustion.
  • Enhance occupant life safety
    Raising the smoke layer inside a burning building not only improves visibility of exit paths, it helps save lives given that the vast majority of fire fatalities are due to smoke inhalation.

These benefits are essentially why building codes have mandated the use of smoke/heat vents in large-area single-level buildings (i.e.; warehouses, discount centers, manufacturing facilities, etc.) for many years.

Current standards governing the acceptance, listing and approval of smoke and heat vent products are primarily UL 793-08, Standards for Automatically Operated Roof Vents for Smoke and Heat, National Fire Protection Association (NFPA) 204-07, Standard for Smoke and Heat Venting, FM Global 4430 (2007), Approval Standard for Smoke and Heat Vents and ICC-ES AC331-2008, Acceptance Criteria for Smoke and Heat Vents. There are cross-references among these standards (for example, UL-793 is referenced within ICC-ES AC331), and various code requirements are based on them, including applicable provisions of NFPA 204-07, the International Building Code (IBC) and the International Fire Code (IFC). There are also allied standards, such as NFPA 92B, Standard for Smoke Management Systems in Malls, Atria and Large Spaces and the international standards ISO 21927-2:2006, Smoke and heat control systems -- Part 2: Specification for natural smoke and heat exhaust ventilators and ISO 21927-1:2008, Smoke and heat control systems -- Part 1: Specification for smoke barriers, but the UL, FM and ICC standards most often govern in the U.S.

In general, once the performance tests have been completed as specified within each document, the product may be “listed” by UL, “approved” by FM Global or “recognized” by the ICC Evaluation Service. Product labels may be specified. However, it is virtually always left up to the Authority Having Jurisdiction (AHJ) – such as the local Building Department – to specify which standards must be met and which identification methods must be used.

The Smoke and Heat Vent Standards table summarizes the current requirements of these standards for dome or metal lid mechanically operated units. These are mechanically-opened vents consisting primarily of a body frame, one or more damper covers or hatches and operating mechanisms, which generally include a heat responsive device and spring(s).

AAMA’s Smoke Vent Task Group has been at work over the last several years to foster research testing that has helped shape these standards and influence code changes to reflect actual in-field performance and interaction of building fire protection systems. The task group will continue to monitor standards and code activities and develop educational information to ensure the standards are of practical use to project specifiers, owners, fire authorities, code officials and others involved in the field. 

http://www.aamanet.org/news/1/10/0/all/429/standards-mandate-the-use-of-smok

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Trituff Copolyester Passes 267 lb/
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A new, pending ASTM skylight fall protection drop test requires dropping a 267 lb sand filled canvas bag with a 5.5" bull nose from a height of 36" on the skylight glazing. As evidenced by this video Trituff Coployester passes the test. The total impact force and pressure developed in this test is 2,278.6 foot pounds and 95.9 lb per square inch.

Tufflite Heavy Weather / High Security Polycarbonate Takes a Tromping

Rick Beets, Bristolite President, demonstrates the resilience of Tufflite for customers. This Tufflite model HWHS (Heavy Weather High Security) skylight is Miami Dade County Hurricane Zone Approved NOA # 10-0216.02 and Florida Building Code Approved # FL14006.

Tufflite Heavy Weather / High Security Polycarbonate Takes a Beating

Rick Beets, Bristolite President, demonstrates the impact resistance of Tufflite for customers. This Tufflite model HWHS (Heavy Weather High Security) skylight is Miami Dade County Hurricane Zone Approved NOA# 10-0216.02 and Florida Building Code Approved # FL14006.

Energy Star Fiberlite CC1 Fire Resistance

Energy Star Fiberlite, Trituff Copolyester and Tufflite Polycarbonate are all CC1 Fire Rated.

Custom Glass Skylight Positive Load Cycling after Large Missile Impact Test

Positive load cycling from 10.30 psf to 51.38 psf after large missile impact test. This model 1000 custom glass skylight series is Miami Dade County Hurricane Zone Approved NOA # 07-0524.05.

Custom Glass Skylight Positive and Negative Load Cycling

Positive load cycling from 10.30 psf to 51.38 psf and negative load cycling from 20.6 psf to 34.3 psf. This model 1000 custom glass skylight series is Miami Dade County Hurricane Zone Approved NOA # 07-0524.05.

Custom Glass Skylight Negative Load Cycling

Negative load cycling from 20.6 psf to 34.3 psf after multiple large missile impact tests. This model 1000 custom glass skylight series is Miami Dade County Hurricane Zone Approved NOA # 07-0524.05.

Custom Glass Skylight Large Missile Impact Test

Large missile impact test requires firing a 9 lb missile at a velocity of 49 fps to 50 fps at a distance of 17 ft from the skylight. This model 1000 custom glass skylight series is Miami Dade County Hurricane Zone Approved NOA # 07-0524.05.

Custom Glass Skylight Large Missile Impact Test

Large missile impact test requires firing a 9 lb missile at a velocity of 49 fps to 50 fps at a distance of 17 ft from the skylight. This model 1000 custom glass skylight series is Miami Dade County Hurricane Zone Approved NOA # 07-0524.05.

20 Year Old Energy Star Fiberlite
Supports 5,000 lb

20 year old Energy Star Fiberlite supports 5,000 lb in a concentrated (1 sq ft) load test by an independent 3rd party testing laboratory.

Trituff Copolyester Supports 1,950 lb

Trituff Copolyester supports 1,950 lb in a concentrated (1 sq ft) load test by an independent 3rd party testing laboratory.

Tufflite Heavy Weather / High Security Polycarbonate Negative Load Cycling

Negative 19.5 psf to 32.5 psf load cycling. This Tufflite model HWHS (Heavy Weather High Security) skylight is Miami Dade County Hurricane Zone Approved NOA # 10-0216.02 and Florida Building Code Approved # FL14006.

Tufflite Heavy Weather / High Security Polycarbonate Positive Load Cycling

Positive 11.0 psf to 55.0 psf load cycling. This Tufflite model HWHS (Heavy Weather High Security) skylight is Miami Dade County Hurricane Zone Approved NOA # 10-0216.02 and Florida Building Code Approved # FL14006.

Tufflite Heavy Weather / High Security Polycarbonate Negative Load Cycling

Negative 19.5 psf to 32.5 psf load cycling. This Tufflite model HWHS (Heavy Weather High Security) skylight is Miami Dade County Hurricane Zone Approved NOA # 10-0216.02 and Florida Building Code Approved # FL14006.

Tufflite Heavy Weather / High Security
Positive and Negative Load Cycling

Positive 11.0 psf to 55.0 psf and negative 19.5 psf to 32.5 psf load cycling. This Tufflite model HWHS (Heavy Weather High Security) skylight is Miami Dade County Hurricane Zone Approved NOA # 10-0216.02 and Florida Building Code Approved # FL14006.

Tufflite Heavy Weather / High Security Polycarbonate Negative Load Cycling

Negative 19.5 psf to 32.5 psf load cycling. This Tufflite model HWHS (Heavy Weather High Security) skylight is Miami Dade County Hurricane Zone Approved NOA # 10-0216.02 and Florida Building Code Approved # FL14006.

Tufflite Heavy Weather / High Security Polycarbonate
Positive and Negative Load Cycling

Positive 11.0 psf to 55.0 psf and negative 19.5 psf to 32.5 psf load cycling. This Tufflite model HWHS (Heavy Weather High Security) skylight is Miami Dade County Hurricane Zone Approved NOA # 10-0216.02 and Florida Building Code Approved # FL14006.

Gladiator Safety Screen
Supports 600 lb Static Load

Gladiator Safety Screen installed on a wood curb supports two 300 lb loads in opposing corners.

Gladiator Safety Screen
Supports 867 lb Static Load

Gladiator Safety Screen installed on a wood curb supports two 300 lb loads in opposing corners and a 267 lb load in the center for a total static load of 867 lb

Gladiator Safety Screen
Passes 267 lb / 36" ASTM Drop Test

A new, pending ASTM skylight fall protection drop test requires dropping a 267 lb sand filled canvas bag with a 5.5" bull nose from a height of 36" on the skylight glazing. As evidenced by this video our Gladiator Safety Screen passes the test. The total impact force and pressure developed in this test is 2,278.6 foot pounds and 95.9 lb per square inch.

Gladiator Safety Screen
Passes 267 lb / 36" ASTM Drop Test

A new, pending ASTM skylight fall protection drop test requires dropping a 267 lb sand filled canvas bag with a 5.5" bull nose from a height of 36" on the skylight glazing. As evidenced by this video our Gladiator Safety Screen passes the test. The total impact force and pressure developed in this test is 2,278.6 foot pounds and 95.9 lb per square inch.

Tufflite Heavy Weather / High Security Polycarbonate Large Missile Impact Test

Large missile impact test requires firing a 9 lb missile at a velocity of 49 fps to 50 fps at a distance of 17 ft from the skylight. This Tufflite model HWHS (Heavy Weather High Security) skylight is Miami Dade County Hurricane Zone Approved NOA # 10-0216.02 and Florida Building Code Approved # FL14006.

Tufflite Heavy Weather / High Security Polycarbonate Large Missile Impact Test

Large missile impact test requires firing a 9 lb missile at a velocity of 49 fps to 50 fps at a distance of 17 ft from the skylight. This Tufflite model HWHS (Heavy Weather High Security) skylight is Miami Dade County Hurricane Zone Approved NOA # 10-0216.02 and Florida Building Code Approved # FL14006.