The product is 1- 1/2 in. thick, 6pcf density1. It is used to fire rate commercial kitchen grease ducts as well as ventilation ducts.

How thick is 3M fire wrap?

The product is 1- 1/2 in. thick, 6pcf density1. It is used to fire rate commercial kitchen grease ducts as well as ventilation ducts.

What is ul1479?

The UL 1479 tests required by Underwriters Laboratories determine the ability of a firestop system to stop the spread of fire, smoke, and water through a fire-rated barrier in the event of a fire and for how long a period of time.

What is fire wrapping?

Fire-Rated Duct Wrap is used as a passive fire protection insulation on ductwork to prevent the spread of fire throughout a commercial building. Buy Insulation Product distributes both Unifrax Elite 1.5 Fyrewrap and 3M Fire Barrier 615+ which are both used on air ventilation ducts and commercial kitchen grease ducts.

What is fire wrap insulation made of?

3M™ Fire Barrier Duct Wrap 615+ is a fire-resistant wrap consisting of an inorganic fibre blanket encapsulated with a scrim-reinforced foil. The blanket adheres to the foil scrim on the 3M™ Fire Barrier Duct Wrap 615+, which helps prevent wrapping and slumping before and after application.

What UL 1715?

UL 1715 : UL Standard for Safety Fire Test of Interior Finish Material.

What is a hose stream test?

The hose stream test was developed in the late 1890s to measure the structural integrity of floor materials and cast or wrought iron in building walls during an intense fire. It was not intended or designed to test the thermal stress performance of glazing materials.

What is fire rated ductwork?

Fire rated ductwork improves the safe operation of heating, ventilation and air conditioning (HVAC) systems by minimising the chance of fire spread. Effective fire resilient insulation acts as a barrier between ducts, to slow down or prevent the passage of flames and smoke around the building.

How many UL standards are there?

With over a century of experience in the development of more than 1,500 Standards, UL is an accredited standards developer in the US and Canada. In extending its global public safety mission, UL Standards partners with national standards bodies in countries around the world to build a safer, more sustainable world.

What is ASTM E119?

What is ASTM E119? Large Scale Vertical Furnace. ASTM E119 contemplates fire test response criteria which is essential for fire safety. Testing per ASTM E119 establishes the duration for which a specific material or installation can contain a fire.

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Where is the hose stream test required?

Fire resistance-rated assemblies, such as fire doors, fire walls and dampers, must undergo rigorous performance testing before they are recognized in model codes and standards. In addition to being exposed to heat and flames, assemblies must survive a hose stream test.

What is hose allowance?

Sprinkler hydraulic calculations are required to account for the water used by the fire department to manually suppress a fire. This is referred to as a hose stream allowance.

What is ASTM e84?

ASTM E 84. Standard test method for surface burning characteristics of of building materials. The flame spread Index and Smoke Developed Index values obtained by the ASTM E 84. test are used by code officials and regulatory agencies in the acceptance of interior finish. materials for various applications.

What is ASTM E814?

ASTM E814 is a test that evaluates a firestop under fire conditions to determine if it will gain the firestop status. The experts at VTEC can perform this essential test on your firestop system.

What NFPA 286?

The NFPA 286 Contribution of Wall and Ceiling Interior Finish to Room Fire Growth test is a standard of the National Fire Protection Association (NFPA) that measures flammability characteristics of wall and ceiling materials for building interiors.

How can I become UL inspector?

1. Visit the UL website: First, visit the UL website and navigate to the “Contact Us” page. …
2. Submit a sample product: Next, you will submit a sample product for UL to test. …
3. Pay testing fee: When UL receives your sample product, they will begin safety evaluation.

How do I get UL standards for free?

UL Standards development covers nearly all products, systems and services found in homes and workplaces. To browse and access the standards, visit shopulstandards.com.

How do I verify my UL certification?

1. Look for the UL trademark! …
2. Right under the UL trademark, the word LISTED or CLASSIFIED will appear in all capital letters.
3. Under LISTED/CLASSIFIED you will find what the product is. …
4. Most importantly, under the product identity is the control or issue number.

How much duct insulation do I need?

“Supply and return air ducts and plenums shall be insulated with a minimum of R-6 insulation where located in unconditioned spaces and where located outside the building with a minimum of R-8 insulation in climate zones 1-4 and a minimum of R-12 insulation in climate zones 5-8.

Does a 1 hour fire rated wall require a fire damper?

Q: Are fire dampers required in one-hour fire-rated walls if the facility is fully sprinkled? A: According to NFPA 90A (1999 edition), one-hour fire-rated barriers do not require fire dampers in fully ducted HVAC systems, unless the one-hour fire-rated barrier is a vertical shaft.

Where are fire dampers required?

Generally, fire dampers are required where air ducts penetrate walls that are rated for 2-hours or more. They are needed in all air transfer openings (non-ducted) in rated walls, regardless of the rating. And they are required at some, but not all penetrations of rated floor assemblies and shaft enclosures.

What is the difference between smoke dampers and fire dampers?

Whilst fire dampers function to help stop the passage of fire, smoke dampers work in a similar way to preserve the integrity of physical smoke barriers e.g. floors and walls. They can also be found within air conditioning and ventilation ductwork.

What is a 1 hour fire rated wall?

According to the Engineered Wood Association, a one-hour rating indicates that a wall constructed in a manner similar to the one tested will contain flames and high temperatures, and support its full load, for at least one hour after the fire begins.

What does ASTM stand for?

American Society for Testing and Materials (ASTM)

What does 1 hour fire rating mean?

A “one-hour” fire rating is given to an assembly consisting of various building materials that can resist the exposure of a standardized fire exposure for one hour. … A few acceptance criteria for the test stipulate that the fire from the gas-fired furnace cannot penetrate through the assembly during the test.

What is inside and outside hose allowance?

RE: Inside and Outside Hose Allowance The maximum required hose allowance is 500 gpm. The maximum inside hose allowance is 100 gpm. So, you would have 100 in and 400 out.

What is the hose allowance for in NFPA 13?

The hose stream allowance and water supply duration requirements were specified in Table 12.8. 6 of NFPA 13 2016 edition as 500 gpm and 120 minutes, respectively.

Is UL 723 the same as ASTM E84?

(UL) developed UL 723 (now called ANSI/UL 723) and the American Society for Testing and Materials (ASTM) has adopted this UL test into its own standard as ASTM E84. This industry standard outlines the test procedure for evaluating surface burning characteristics of interior wall finish materials.

What is E84 fire rating?

The ASTM E-84 is the standard test method for assessing the surface burning characteristics of building products to explore how the material might contribute to flame spread in the event of a fire. The test reports the Flame Spread index and Smoke Developed index of the tested product.

What does UL 723 mean?

The UL 723 Surface Burning Characteristic of Building Materials test is a standard of Underwriters Laboratories (UL) that measures the burning properties, or fire resistance, of building materials that may be exposed to flames.