SECTION 08 81 17 - FIRE-RATED GLASS – firelite® igu

PART 1 - GENERAL

1.1                      SUMMARY

A.             Section Includes:

1.              Fire-rated insulated glass units (IGU) installed as vision lights in fire-rated doors.

2.              Fire-rated insulated glass units (IGU) installed as [transoms] [borrowed lites] [windows] in fire-rated frames.

3.              [Fire-rated insulated glass units (IGU) installed in exterior applications where energy codes require an insulated product.]

4.              [Fire-rated insulated glass units (IGU) installed in interior applications requiring sound reduction.]

Verify that Section titles referenced below are correct for this Project's Specifications; Section titles may have changed. Revise Section number and title below to suit project requirements, specification practices and section content. Refer to CSI MasterFormat for other section numbers and titles.

B.              Related Sections include the following:

1.              Section 08 11 00 – “Metal Doors and Frames”: Vision panels in [exterior] [interior] doors and [exterior] [interior] vision panel (borrowed lites) frames.

2.              Section 08 14 16 – “Flush Wood Doors”: Vision panels in interior doors.

3.              Section 08 51 23 – Steel Windows.

1.2                      references

A.             American Society for Testing and Materials (ASTM):

1.              ASTM E 774 – Standard Specification for Sealed Insulating Glass Units.

2.              ASTM C 1036 – Standard Specification for Flat Glass.

3.              ASTM C 1048 – Standard Specification for Heat-Treated Flat Glass—Kind HS, Kind FT Coated and Uncoated Glass.

4.              ASTM E2074-00: Standard Test Method for Fire Tests of Door Assemblies, Including Positive Pressure Testing of Side-Hinged and Pivoted Swinging Door Assemblies.

5.              ASTM E2010-01: Standard Test Method for Positive Pressure Fire Tests of Window Assemblies.

B.              Glass Association of North America (GANA):

1.              GANA – Glazing Manual.

2.              FGMA – Sealant Manual.

C.              National Fire Protection Association (NFPA):

1.              NFPA 80 – Fire Doors and Windows.

2.              NFPA 252 – Fire Tests of Door Assemblies.

3.              NFPA 257 – Fire Tests of Window Assemblies.

D.              SIGMA TM-3000-90 – Vertical Glazing Guidelines.

E.               Underwriters Laboratories, Inc. (UL):

1.              UL 9 – Fire Tests of Window Assemblies.

2.              UL 10B – Fire Tests of Door Assemblies.

3.              UL 10C – Positive Pressure Fire Tests of Door Assemblies.

F.               Standard Council of Canada:

1.              ULC Standard CAN4-S104: Fire Tests of Door Assemblies.

2.              ULC Standard CAN4-S106: Fire Tests of Window Assemblies.

G.              <Insert building code name used by authority having jurisdiction>.

1.3                      DESIGN REQUIREMENTS

A.             Clear and wireless glass ceramic and tempered or annealed float glass material; listed for use in fire-rated or fire/impact safety-rated insulated glass units in locations with fire rating requirements ranging from 20 to 3 hours with required hose stream test.

B.              Passes positive pressure test standards UL10C, UBC 7-2 and UBC 7-4.

This product is not a barrier to radiant heat. This product does not meet test standards ASTM E 119 or UL 263. If your jurisdiction requires a “barrier to heat” product, please contact Technical Glass Products regarding Pyrostop.

FireLite side may be lightly sandblasted or etched without affecting the fire rating.

1.4                      SYSTEM PERFORMANCE REQUIREMENTS

A.             General: Provide insulated glazing system that is produced, fabricated, and installed to withstand normal thermal movement, wind loading, and impact loading without failure, including loss or glass breakage attributable to the following:

1.              Defective manufacture, fabrication, and installation.

2.              Failure of sealants or gaskets to remain watertight and airtight.

3.              Deterioration of glazing materials.

4.              Other defects in construction.

B.              Glass Design: Provide insulated glass lites for the various size openings in thicknesses and strengths to meet or exceed the following criteria:

1.              Minimum glass thickness of lites in exterior walls: Nominal [3/16 inch][5.0 mm].

2.              Tinted and heat-absorbing glass thickness for each tint: Same throughout Project.

3.              Size glass to withstand positive and negative loads acting on glazing systems, with edge clearances and tolerances complying with recommendations of glass manufacturer.

C.              Thermal Movement: Design temperature change (range) or 120 degrees F [67 degrees C] ambient, and 180 degrees F [100 degrees C] material surface.

1.5                      SUBMITTALS

Specify submittal requirements for fire-rated doors and fire-rated frames, including glass stops in the appropriate Sections.

A.             Comply with requirements of Section 01 33 00<Insert Section #>.

B.              Product data: Submit manufacturer’s technical data for each glazing material required, including installation and maintenance instructions.

C.              Certificates of compliance from glass and glazing materials manufacturers attesting that glass and glazing materials furnished for project comply with requirements. Separate certification will not be required for glazing materials bearing manufacturer’s permanent label designating type and thickness of glass, provided labels represent a quality control program involving a recognized certification agency or independent testing laboratory acceptable to authority having jurisdiction.

D.              Product Test Listings: From UL indicating fire-rated glass complies with requirements, based on comprehensive testing of current product.

E.               Samples: Submit, for verification purposes, approx. 8-inch by 10-inch sample for each type of glass indicated.

F.               Insulating Glass Certification Program: Provide insulating glass units complying with requirements indicated which are permanently marked with certification label of the following inspecting and testing agency:

1.6                      QUALITY ASSURANCE

A.             Glazing Standards: FGMA Glazing Manual and Sealant Manual.

B.              Fire Protective Rated Glass: Each lite shall bear permanent, nonremovable label of UL certifying it for use in tested and rated fire protective assemblies.

C.              Fire Protective Glazing Products for Door Assemblies: Products identical to those tested per ASTM E2074-00, labeled and listed by UL acceptable to authorities having jurisdiction.

1.7                      delivery, storage, and handling

A.             Deliver, store, and handle materials under provisions of Section 01 60 00<Insert Section #>.

B.              Deliver materials to specified destination in manufacturer’s or distributor’s packaging, undamaged, complete with installation instructions.

C.              Store off ground, under cover, protected from weather and construction activities.

1.8                      warranty

A.             Provide manufacturer’s limited warranty under provision of Section 01 78 00<Insert Section #>.

B.              Warranty Period: Ten years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1                      fire-rated insulating glass units (igu)

A.             Supplier: FireLite® IGU as supplied by Technical Glass Products, Kirkland, Washington, voice 1-800-426-0279, fax 1-800-451-9857, e-mail sales@fireglass.com, web site www.fireglass.com.

2.2                      MATERIALS

A.             Primary Glass Products (AG - Annealed Glass): ASTM C 1036, Type I (transparent, flat), [1/4 inch] [6 mm] thick float glass unless otherwise indicated:

1.              Clear Float: Class 1 (clear), Quality q3 (glazing select).

2.              Tinted Float: Class 2 (tinted heat absorbing and light reducing), Quality q3 (glazing select). Listed shading and transmittance values are for [1/4 inch] [6 mm] thickness.

FireLite®IGU is available incorporating a variety of glass products, including, but not limited to the following:

3.              Green Nonreflective: LOF EverGreen Tint, uncoated tinted glass with shading coefficient 0.59 and average daylight transmittance 66 percent.

4.              Blue-Green: Uncoated blue-green tinted glass with shading coefficient 0.72 and average daylight transmittance 75 percent.

5.              Gray: Uncoated gray tinted glass with shading coefficient 0.65-0.67 and average daylight transmittance 44 percent.

6.              Dark Gray: Uncoated gray tinted glass with shading coefficient 0.64-0.66 and average daylight transmittance 13-15 percent.

7.              Bronze: Uncoated bronze tinted glass with shading coefficient 0.69-0.71 and average daylight transmittance 50-52 percent.

8.              Blue-Green Reflective: LOF Blue-Green Eclipse reflective glass, with coating on #2 surface, shading coefficient of 0.50 and average daylight transmittance 33 percent.

9.              Grey Reflective: LOF Grey Eclipse reflective glass, with coating on #2 surface, shading coefficient of 0.53 and average daylight transmittance 20 percent.

B.              Heat-Treated Safety Glass: ASTM C 1048:

1.              TG - Tempered Glass, Clear: Kind FT, Condition A, Type I, Class and Quality as specified for primary clear float glass.

2.              TG - Tempered Glass, Tinted: Kind FT, Condition A, Type I, Class and Quality and Color as specified for primary tinted float glass.

C.              Sealed Insulating Glass Units: ASTM E 774, Class A.

1.              Nominal Thickness: [1 inch] [25.4 mm] [3/4 inch] [19 mm].

2.              Glass - Vision Units: Two lites, one fire-rated and one tempered safety or annealed glass, as scheduled:

a.               Exterior Lite: [Tinted] [Clear] float.

b.              Interior Lite: Clear [FireLite®] [FireLite NT] with [Premium] [Standard] [Obscure] surface finish [FireLite Plus®].

Insert to suit insulated glass units with and without tinted glass; with and without coatings or gas in air space.

c.               Performance: [Insert #] percent visible light transmittance and [Insert #] percent visible light reflectance; winter nighttime U-value of [Insert #]; summer daytime U-value of [Insert #]; and solar heat gain coefficient of [Insert #].

3.              Air Space Width: Nominal 1/2 inch measured perpendicularly from surfaces of glass lites at unit's edge.

4.              Sealing System: Dual seal, polyisobutylene primary seal, polysulfide secondary seal, 10 year limited warranty.

5.              Spacer Specifications: Manufacturer's standard stainless steel.

a.               Desiccant: Manufacturer's standard desiccant.

b.              Corner Construction: Manufacturer's standard corner construction.

2.3                      fire-rated glazing MATERIALS

A.             Manufacturer: [FireLite®] [FireLite NT] [FireLite Plus®] as manufactured by Nippon Electric Glass Company, Ltd., and distributed by Technical Glass Products, Kirkland, Washington, voice 1-800-426-0279, fax 1-800-451-9857, e-mail sales @fireglass.com, web site www.fireglass.com.

B.              Properties – [FireLite®]:

Figures are for Premium (polished) FireLite. Figures will differ slightly for Standard (unpolished) and Obscure (patterned) surface finishes.

FireLite may be lightly sandblasted or etched on side without affecting fire rating.

1.              Thickness: 3/16 inch [5 mm].

2.              Weight: 2.4 lbs./sq. ft.

3.              Approximate Visible Transmission: 88 percent.

4.              Approximate Visible Reflection: 9 percent.

5.              Hardness (Vicker’s Scale): 700.

6.              Fire-rating: 20 minutes to 90 minutes.

7.              Impact Safety Resistance: [None].

8.              Positive Pressure Test: UBC 7-2 and 7-4; passes.

9.              Surface Finish: Premium (polished) [Standard (unpolished)] [Obscure (patterned)].

C.              [Properties – FireLite® NT]

FireLite NT may be lightly sandblasted or etched on side without affecting fire rating.

1.              [Thickness: 3/16 inch (8 mm).]

2.              [Film: 3M Scotchshield Ultra Film.]

3.              [Weight: 2.4 lbs./sq. ft.]

4.              [Approximate Visible Transmission: 88 percent.]

5.              [Approximate Visible Reflection: 9 percent.]

6.              [Hardness (Vicker's Scale): 700.]

7.              [Fire-rating: 20 minutes to 3 hours for doors; 20 minutes to 90 minutes for other applications.]

8.              [Impact Safety Rating: ANSI Z97.1 and CPSC 16CFR1201 (Cat. I and II).]

9.              [Positive Pressure Test: UL 10C, UBC 7-2 and 7-4; passes.]

10.           [Surface Finish: Premium (polished) [Standard (unpolished)] [Obscure (patterned).]

D.              [Properties – FireLite Plus®]

FireLite Plus may be lightly sandblasted/etched or beveled on one side without affecting fire rating.

1.              [Thickness: 5/16 inch (8 mm)].

2.              [Weight: 4 lbs./sq. ft.]

3.              [Approximate Visible Transmission: 85 percent.]

4.              [Approximate Visible Reflection: 9 percent.]

5.              [Fire-rating: 20 minutes to 3 hours for doors; 20 minutes to 90 minutes for other applications.]

6.              [Impact Safety Rating: ANSI Z97.1 and CPSC 16CFR1201 (Cat. I and II).]

7.              [STC Rating: Approximately 35 dB.]

8.              [Positive Pressure Test: UL 10C, UBC 7-2 and 7-4; passes.]

E.               Maximum sheet sizes based on surface finish:

1.              [FireLite®] [FireLite® NT] Premium: 48 inches by 96 inches.

2.              [FireLite] [FireLite NT] Standard: 48 inches by 96 inches.

3.              [FireLite] [FireLite NT] Obscure: 36 inches by 96 inches.

4.              [FireLite Plus®: 48 inches by 96 inches.]

F.               Labeling: Permanently label each piece of FireLite® [FireLite Plus®] with the FireLite [FireLite Plus] logo, UL logo and fire rating in sizes up to 3,325 sq. in., and with the FireLite [FireLite Plus] label only for sizes that exceed the listing (as approved by the local authority having jurisdiction).

G.              Fire Rating: Fire rating listed and labeled by UL for fire rating scheduled at opening locations on drawings, when tested in accordance with [ASTM E2074-00 and ASTM E2010-01 [ULC Standards CAN4 S-104 and CAN4 S-106] [NPFA 252 and NFPA 257] [UL 9 and UL 10B].

2.4                      GLAZING COMPOUND FOR FIRE-RATED insulated glass units

Select one the following: glazing tape, or glazing compound or silicone sealant.

A.             Glazing Tape: Closed cell polyvinyl chloride (PVC) foam, coiled on release paper over adhesive on two sides, maximum water absorption by volume of 2 percent, 1/8 by 3/8 inch. Glass panels that exceed 1,393 sq. inches for 90-minute ratings must be glazed with fire-rated glazing tape supplied by manufacturer.

B.              Polysulfide Sealant.

C.              Setting Blocks: Neoprene, EPDM, or silicone; tested for compatibility with glazing compound; of 70 to 90 Shore A hardness.

D.              Cleaners, Primers, and Sealers: Type recommended by manufacturer of glass and gaskets.

2.5                      FABRICATION

A.             Fabricate glass and other glazing products in sizes required to glaze openings indicated for Project, with edge and face clearances, edge and surface conditions, and bite complying with recommendations of product manufacturer and referenced glazing standard as required to comply with system performance requirements.

PART 3 - EXECUTION

3.1                      EXAMINATION

A.             Examine glass framing, with glazier present, for compliance with the following:

1.              Manufacturing and installation tolerances, including those for size, squareness, offsets at corners.

2.              Minimum required face or edge clearances.

3.              Observable edge damage or face imperfections.

B.              Do not proceed with glazing until unsatisfactory conditions have been corrected.

C.              Clean glazing channels and other framing members receiving glass immediately before glazing. Remove coatings that are not firmly bonded to substrates.

3.2                      INSTALLATION – insulated glass units

A.             Comply with referenced FGMA standards and instructions of manufacturers of glass, glazing sealants, and glazing compounds.

B.              Protect glass from edge damage during handling and installation. Inspect glass during installation and discard pieces with edge damage that could affect glass performance.

C.              Crimp and seal breather tubes.

D.              Set units of glass in each series with uniformity of pattern, draw, bow, and similar characteristics.

E.               Cut glazing tape to length and set against permanent stops, flush with sight lines to fit openings exactly, with stretch allowance during installation.

F.               Place setting blocks located at quarter points of glass with edge block no more than 6 inches from corners.

G.              Glaze vertically into labeled fire-rated metal frames with same fire rating as glass and push against tape for full contact at perimeter of pane or unit.

H.              Place glazing tape on free perimeter of glazing in same manner described above.

I.                Install removable stop and secure without displacement of tape.

J.                [Use specified glazing compound, without adulteration; bed glazing material in glazing compound; entirely fill all recess and spaces. Provide visible glazing compound with smooth and straight edges.]

K.              Install in vision panels in fire-rated doors to requirements of NFPA 80.

L.               Install so that appropriate [UL] [FireLite® IGU] markings remain permanently visible.

3.3                      PROTECTION AND CLEANING

A.             Protect glass from contact with contaminating substances resulting from construction operations. Remove any such substances by method approved by glass manufacturer.

B.              Wash glass on both faces not more than four days prior to date scheduled for inspections intended to establish date of substantial completion. Wash glass by method recommended by glass manufacturer.

3.4                      GLAZING SCHEDULE

Rating	Assembly	Max. Exposed Area (Sq. In.)	Max. Width Of Exposed Glazing (In.)	OR	Max. Height Of Exposed Glazing (In.)	Stop Height
20 min.	Doors* HMS or wood** Fireframes D.S. Other than doors HMS or wood Fireframes D.S.	3,204 3,204 3,325 3,325	36 36 95 95	89 89 95 95	5/8” 3/4" 5/8” 3/4"
45 min.	Doors* HMS or wood Fireframes D.S. Other than doors HMS or wood Fireframes D.S.	3,204 3,204 3,325 3,325	36 36 95 95	89 89 95 95	5/8” 3/4" 5/8” 3/4"
60 min.	Doors (non-temp rise)* HMS or wood      Fireframes D.S. Doors (temp rise)* Other than doors HMS or wood      Fireframes D.S.	3,204 3,204 100 3,325 3,325	36 36 12 95 95	89 89 33 95 95	5/8” 3/4" 5/8” 5/8” 3/4"
90 min.	Doors (non-temp rise)* Doors (temp rise)* Other than doors      HMS      Fireframes D.S.	2,034 100 2,627 2,627	36 12 56 ½” 56 ½”	56 ½” 33 56 ½” 56 ½”	3/4" 1/2” 5/8” 3/4"
3 hours	Doors*	100	12	33	1/2”

* Must be specified with either FireLite® NT or FireLite Plus®.

** HMS indicates hollow metal steel framing. Fireframes D.S. indicates Designer Series narrow profile framing available from TGP. For wood frames, check with manufacturer for maximum tested glass sizes.

Individual lite sizes cannot exceed maximum exposed area shown above.

Special approval is required from the local authority having jurisdiction when using firelite® in applications requiring a non-standard rating or sizes larger than those scheduled above and in paragraph 2.3, E. In such cases firelite® will be furnished with a firelite® label only.

END OF SECTION