laminated architectural glass...allowable glazing materials • monolithic glazing systems –...
TRANSCRIPT
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Laminated Architectural Glass
₪₪ Safety Glazing ₪₪
National Sunroom AssociationLas Vegas, Nevada – March 6, 2009
Prepared & presented by J. Schimmelpenningh
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About Solutia Inc.
World Headquarters World Headquarters located in St. Louis, MOlocated in St. Louis, MO$2.0 Billion Chemical $2.0 Billion Chemical CompanyCompanySaflex division is the Saflex division is the worldworld’’s largest producer of s largest producer of polyvinyl butyral polyvinyl butyral (PVB) interlayer for (PVB) interlayer for laminated glasslaminated glass
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Discussion Outline
• Define Safety Glazing• Safety Glazing Products• Hazardous Locations• Overhead Glazing• Safety Glazing Applications• Design Considerations & Other Benefits• Questions
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Safety
• Protection from cutting and piercing injuries, and fall out of glass from unintentional damages to glazing– Human Impact Protection– Hazardous Locations– Overhead Glazing– Structural– Railing and Balusters– Hurricane– Seismic
Requirements covered in Building Codes
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Regulations and Standards Overview
• CFR 16 CPSC Part 1201 – Cat I or Cat II
• ANSI Z97.1– Class A, B or C
• Building Codes prescribe areas of use by defining “Hazardous Locations” and required applications
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CPSC 16 CFR 1201
• Federal Safety Standard– Shot bag test– Enacted in 1977– Has not changed since enactment– Doors and Door leaves only– Tempered Glass, Laminated Glass– Wired Glass included with exemption
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CPSC 16 CFR 1201 Test Method
• 100 lb lead shot filled punching bag– Pendulum test
• Two drop heights:• Category I = 150 ft-lb.
– Drop height 18– Glass < 9 sqft
• Category II = 400 ft-lb. – Drop height 48”– Glass > 9 sqft
• Test size: up to 34” x 76”• Boil test required for Laminated Glass
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CPSC/ANSI Shot BagCross Section
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Human Impact Protection
16 CFR PART 1201/ANSI Z97.1
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ANSI Z97.1
• Voluntary Safety Standard– Shot bag test (same impactor as CPSC 16 CFR 1201)
– Enacted in 1964– Modified to meet industry changes– Latest Revision 2004– Applies to all safety glazing
• Tempered glass• Laminated glass• Plastic glazing• Organic Coated Glass
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ANSI Z97.1 Test Method
• 100 lb lead filled punching bag– Pendulum test
• Three drop heights:• Class C = 100 ft-lb.
– Drop height 12”– Fire rated wired glass only
• Class B = 150 ft-lb. – Drop height 18”– Glass < 9 sqft
• Class A = 400 ft-lb. – Drop height 48”– Glass > 9 sqft
• Test size: 16 x 30 minimum up to 34” x 76”• Boil test required for Laminated Glass• Weathering tests required for Laminated Glass
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• 10 largest pieces (FT)
• 3” solid sphere passage for Laminated, Plastic, Organic Coated and Filmed Glass
• Modulus of Rupture for Plastics
• Pass Boil
• Pass Weathering (ANSI only)
Shot Bag Pass Fail Criteria
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Safety Glazing Typical Laminated Configurations
• CPSC Cat I or ANSI Z97.1 Class B
–– ““lamilami”” glass glass |≥0.015” (0.38mm) Saflex| ““lamilami”” glassglass
• CPSC Cat II or ANSI Z97.1 Class A
–– ““lamilami”” glass glass |≥0.030” (0.76mm) Saflex| ““lamilami”” glassglass
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GANA Ball Drop Test Method and Specification
• QC test methodology• Correlated to
– CPSC 16 CFR 1201 Cat II and – ANSI Z97.1 Class A
• Test Method• Specification for type and pass/fail criteria
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GANA Ball Drop Test
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Safety Standards in Development
• ANSI Z97.1 – 2009– Center Punch Fragmentation – New weathering evaluations– Mode of Breakage Interpretation
• Furniture Glass Standard ASTM F15.42– Safety Glazing requirement for furniture
• Skylight Fall-Through standard– Simulates person falling on a skylight
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Product Descriptions
Safety Glazing
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Product Descriptions
• Annealed Glass– Glass from float line– Breaks Easily– Dangerous Long Shards– Not Safety Glazing
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Product Definitions
• Fabricated Glass– Chemically Strengthened
• Difficult to break• Long dangerous shards• Not Safety Glazing
– Thermally Strengthened• Heat Strengthened
– Not Safety Glazing
• Fully Tempered– Safety Glazing due to break pattern
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Product Descriptions
Surface Applied Materials– Varied thicknesses– Application Types
• Daylight• Edge to Edge• Anchored
– Typically Retrofit– Consult Glass Manufacturer
regarding warranty
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Product Descriptions
• Laminated Glass– Two or more lites of glass– Bonded to form single lite– Interlayer
• “Adheres to Glass”– Liquid– Flexible Roll Form– Rigid Sheet
– Various Thicknesses– Various Colors– Retention Characteristics – Safety Glazing
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Product Descriptions
Plastic Products– Polycarbonates– Acrylics– Impact Resistant– Surface Damage
Prevention– Single layers– Multi-ply Laminated
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Product Descriptions
• Glass Clad Plastics– Plastics– Glass– Interlayers
• High Impact Strength• Bullet Resistant• Detention & Institutional• Shelters
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Product Descriptions
Insulating Glass Units– Two or more lites of glass – Insulating Space– Thermal & Energy– Triple IG with two Air Spaces– Safety Glazing as one or more lites
depending upon application
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Safety Glazing Products
• Tempered Glass• Plastic Glazings• Filmed Glass• PVB Laminates• Polyurethane Laminates• Ionomer Laminates• Resin Laminates• EVA Laminates• Glass Clad Polycarbonate
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Glazing in Hazardous Locations
Interpreted from:
International Building Code 2006 (Section 2406.3)
International Residential Code 2006 (Section R308.4)
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Swinging Doors except Jalousies
SafetyNon-Safety
Legend
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Storm and Unframed Doors
SafetyNon-Safety
Legend
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Fixed and Sliding Door Assemblies
SafetyNon-Safety
Legend
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Panels in Sliding Door Assemblies
SafetyNon-Safety
Legend
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Panels in Bi-Fold Door Assemblies
SafetyNon-Safety
Legend
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Fixed or Operable Panels
> 36 in(91 cm)
<18 in (46 cm)Above floor
Area >9 ft2(0.84 m2)
SafetyNon-Safety
Legend
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Panel Adjacent to a Door
< 60 in (152 cm)
≤ 24 in61 cm
SafetyNon-Safety
Legend
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Walking Surface Adjacent
< 18 in (46 cm)Above Floor
≤ 36 in (91 cm) ≤ 36 in (91 cm)
SafetyNon-Safety
Legend
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Glazing in Guards and Railings
SafetyNon-Safety
Legend
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Bathtubs, Showers etc…
< 60 in (152 cm)
< 60 in (152 cm)
SafetyNon-Safety
Legend
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Glazing Near Pools, Tubs and Spas
< 60 in (152 cm)Above Walking Surface
≤ 60 in (152 cm)
SafetyNon-Safety
Legend
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Glazing Adjacent to Stairways
≤ 36 in(91 cm)
≤ 60 in(152 cm)
≤ 60 in(152 cm)
From Bottom Tread
< 60 in(152 cm)Above nose of tread
Safety
Non-Safety
Legend
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Stair Diagrams
< 60 in(152 cm)
< 60 in(152 cm)
≤ 60 in(152 cm) Horizontallyof Bottom Tread
Down
≤ 60 in (152 cm)
≤ 18 in(46 cm)
>18 in(46 cm)
Non structural rail
Safety
Non-Safety
Legend
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Stairways Exception & Diagram
< 18 in(46 cm)
From Railing
< 60 in(152 cm)
< 60 in(152 cm)
≤ 60 in(152 cm) Horizontallyof Bottom Tread
Rail Complying with IBCSection 1013 and 1607.7
Safety
Non-Safety
Legend
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Panel Adjacent to a Door Exceptions
Safety Glazing not required due to intervening wall
Safety Glazing not required (Except to meet Item 7)
Closet Depth ≤ 36 in (91 cm)
Safety Glazing not required
SafetyNon-Safety
Legend
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Protective Bar Exception
34 – 38 in(86 - 97 cm)
Minimum 1.5 in
(3.8 cm)
Bar capable of withstanding Horizontal Load of 50 plf (730 N/m)
without contacting glass Safety
Non-Safety
Legend
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Outboard Lite of Insulating Glass Exception
Floor to Ceiling GlassOutboard can be non-safetyInboard must be Safety
Outboard Lite≥ 25 ft (7.6 m)Above Grade
Grade, roof, walking surface, horizontal or sloped surface adjacent to the glass exterior
Safety
Non-Safety
Legend
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Small Opening Exception< 3 in (7.6 cm)
3 in (7.6 cm) sphere can not pass – Safety Glazing is not required
Safety
Non-Safety
Legend
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Decorative Glazing Exception
< 60 in (152 cm)
≤ 24 in61 cm
< 36 in(91 cm)
<18 in (46 cm)Above floor
> 9 ft2(0.84 m2)
Safety
Non-Safety
Legend
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Revolving Door Exception
Outside
Safety
Non-Safety
Legend
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Commercial Refrigerated Cabinet Glazed Door Exception
Safety
Non-Safety
Legend
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Glass Block
Safety
Non-Safety
Legend
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Louvered Windows & Jalousies Exception
Safety
Non-Safety
Legend
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Continuous Backing Support Exception
Safety
Non-Safety
Legend
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Summary of Hazardous Locations
Doors Adjacent Panelsto Doors
Windows18” or below sill height
Guardrails Tub and ShowerEnclosures
Swimming Pool Enclosures
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Code Mandated Applications
Safety Glazing
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Structural
• Structural– Building Stability– Wind and Snow
Loads– ASCE 7 Wind Speed– ASTM E 1300
Compliance– First Design
Consideration
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Sloped Glazing & SkylightsIBC 2405/IRC 308.6
Sloped Glazing:Any glazing >15 degrees
from vertical
Rock and Roll Hall of Fame and MuseumArchitectural Firm: Pei Cobb Freed and Partners
15º
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Applications
• Skylights• Unit skylights• Solariums• Sunrooms• Roofs• Slope walls
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Allowable Glazing Materials
• Monolithic glazing systems– Laminated (0.030 in PVB – IBC)– Laminated (0.015 in PVB – IRC)– Wired glass– Heat Strengthened– Fully Tempered– Plastic materials (Section 2607; 2610)– Annealed Glass (IBC only)– Glass Block ( IBC only - Section 2101.2.5)
• Multiple Layer systems– All Lites or layers made from above materials
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Dimension & Height Requirements
≤ 12 ft(366 cm)
≤ 16 sqft (1.5 m2)
Laminated Glass 0.015 (0.38 mm) PVB
IRC R308.6.2 (1)
>12 ft(366 cm)
> 16 sqft (1.5 m2)
Laminated Glass0.030 (0.76 mm) PVB
IRC R308.6.2 (1)
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Screening Requirements
Monolithic Lites Multiple Glazing
Screen
Heat Strengthened Glass Tempered GlassWired Glass
Glazing #2As listed
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Screen Requirements
• Capable of supporting 2x the weight of the glazing
• Firmly fastened to framing members• Mesh opening not greater than 1 in x 1 in
(2.5 cm x 2.5 cm)• Installed within 4 inches (10 cm) of the
glazing (IBC only)• Non combustible material (IBC only)• Non Corrosive material (IBC only)
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Screening ExceptionsIndividual Dwelling Units
• Laminated glass with 0.015 in (0.38 mm) PVB
• Fully tempered Glass• Single or Both Panes of IG• ≤ 3/16 in (5 mm)≤ 12 ft
(366 cm)≤ 16 sqft (1.5 m2)
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Screening ExceptionsIndividual Dwelling Units
• Fully tempered Glass• Single or Both Panes of IG• ≤ 3/16 in (5 mm)
≤ 10 ft(304 cm)>16 sqft
(1.5 m2)
≤30º
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Screening ExceptionsIntervening Floor
• Fully tempered Glass• Single or Both Panes of IG
≤30º
≤ 10ft(304 cm)
Intervening Floor
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Protected or Prohibited
Protection from Falling Glass
No ScreenAny Glazing Material
No ScreenAny Glazing Material
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Greenhouses
Height to Ridge IBC ≤30 ft
(914 cm)
IRC ≤20 ft
(610 cm)
Exclusively for Growing PlantsNot Open to the Public
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Glazing Subject to Impact Loads
• Racquetball and Squash Courts• Gymnasium and Basketball Courts• Glass in Elevator Enclosures
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Hurricane
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Objective Standards & Codes
• Ensure elements of the building envelope remain Unbreached during storms (hurricanes) to protect lives and property
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Unprotected Structure
• Flying debris breaks glass• Wind and rain enters a building through
breached openings• 1% opening on windward wall
– 200% increase in pressure on underside of roof– 50% increase in pressure on exterior walls
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2009 1994
Hurricane Requirements
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Hurricane Test Segments
• Large missile• Small missile• Cyclical Loading
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Windborne DebrisRequirements
• Missile sizes
80 (55)
50 (34)
40 (27)
50 (34)
130 (89)
Impact Speedfeet/sec (mph)
Less than 30 ft.Enhanced Protection
Less than 30 ft.Basic Protection
Less than 30 ft.Wind Zone 1 & 2
Skylights < 30 ft.Wind Zone 2
Above 30 ft
Typical Use
2 gram steel ballA
2 lb. LumberB
4.5 lb. LumberC
9 lb. LumberE
9 lb. LumberD
MissileMissile Level
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Hurricane Regulations
• Mandated by code• Method in a standard
–Dade County, FL–ICC (IRC, IBC)–NFPA 5000–ASTM E1886 & E1996
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Large Missile Impact
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Laminated Glass ConstructionGlass Configuration Criteria & Recommendations
Glass Designed to meet ASCE-7 & ASTM E 1300Glass Constructions:Missile Code Glass ConfigurationLarge PA(TAS) 201/3 Dade Glass / .090” Saflex*;
.100”Saflex HP; or
.075” Saflex VSO2 / GlassLarge SSTD-12 Glass / .090” Saflex*;
.100”Saflex HP; or
.075” Saflex VSO2 / GlassLarge ASTM E 1886/1996 Glass/ .090” Saflex*;
.100”Saflex HP; or
.075” Saflex VSO2 / Glass
Small SSTD-12 Glass / minimum .060” Saflex / GlassSmall ASTM E 1886/1996 Glass/ minimum .060” Saflex* / Glass
* Thinner gauge has been demonstrated to intermittently pass the large missile impact test.
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Laminated Glass for
Seismic Applications
Laminated Glass for
Seismic Applications
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Seismic Background
• 500,000 “events” detectable each year • 100,000 are felt by humans• 100 cause damage• Southern California has 10,000 Seismic
events yearly• Alaska is most prone to seismic events
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Architectural Glass and Earthquakes
• Building vibrates with low intensity quakes• Inter-story drift may occur• Building Sways• Glazing system “racks” with movement
– Glass contact frames– Glass cracks– Monolithic glass fall-out
• Building breach• lacerations
– Engineered glass may crack, but typically is retained• Glass First Crack ~ 3” of movement• Delta Fall Out – NRG ~3 in movement
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Seismic Summary
– Seismic Requirements in IBC– AAMA 501.4 and 501.6– FEMA Studies– NEHRP Provisions– NIBS BSSC– Retention Specifications– Laminated Glass as design choice– Anchored Filmed Glass (Retrofit)
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Design Considerations and
Other Benefits
Safety Glazing
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Other Safety Glazing Applications
• Golf Course Homes– Golf ball impact– Fear of Shards
• Bird Impact• Potential Fall-Out/Fall-Through Areas
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Laminated Glass Benefits
Beyond Safety…
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Sound Control
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Acoustic Glazing
• Noise is an overwhelming problem• Population Density increasing• Landscape of Built environment changing• Sources and pressures are increasing and
varied– Trains, Planes, Automobiles…– Building is Stationary
• Human need for quiet• Windows can be a weak link for Noise Infiltration
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Noise disrupts activities
• Disturbs peace and quiet • Impedes Communication• Disrupts Comfort• Detrimental to Safety• Decreases Job performance• Adverse Effects
– Physically– Psychologically
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SourceReceiver
Sound Transmission Loss Measurement
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Sound Transmission LossEquivalent Mass Units
6 mm (0.25 inch) Monolithic Glass
6 mm (0.25 inch) Laminated -- 3.0-(0.76 Saflex®)-3.0
Critical Frequency Dip
Damping Performance
from Interlayer
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Glazing Design Sound Transmission Loss
• The three basic features – Glass thickness (stiffness)– Insulating glass air space thickness– Interlayer damping
Glass
Spacer
Interlayer
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STL by Type
10
15
20
25
30
35
40
45
50
55
60
80 125
200
315
500
800
1250
2000
3150
5000
1/3 Octave Band Frequency (Hz)
Tran
smission
Loss (dB)
Monolithic; STC 32Laminate: Saflex Q; STC 35Laminate: Saflex R; STC 34
Sound Transmission Loss DataGlass Panel ‐ no frameAmbient Room Temperature 21 ‐ 24º C (70 ‐ 75º F)Opening Area: ~ 18 sqftNominal Thickness: 6 mm (1/4 in.)Measured: ASTM E 90; Calculated ASTM E 413 & E 1332
Row: 15;98;103
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Glass Thickness and Interlayer Type
25
27
29
31
33
35
37
39
41
43
45
3 5 6 7 9 11 12 13 14 16 18 21
Overall Thickness (mm)
Single Num
ber Acoustical R
ating (STC
)
Saflex Q series
Saflex Standard PVB R series
Monolithic Glass
34
33
31
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Saflex SilentGlass Technology™
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Conclusions
• Acoustical interlayer delivers high performance damping with lower weight configurations
• Typical STC ranges from 30 - 50
• Laminates offer flexibility in design variables
• Up to 10 db noise reduction can be achieved in the critical frequency range
• Laminated glazings can be used to create acoustically comfortable architectural settings
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Security
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• Penetration resistant glazing that deters falling and flying glass generated from the intentional attack– Forced Entry – Forced Exit– Ballistic– Bomb Blast
Voluntary Requirements
Security
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Security: Blast
0.0
Time (milliseconds)
Ove
rpre
ssur
e (p
si)
Positive Phase
Negative Phase
AwarenessAwareness
Chronology of a blast eventOther considerations
•Intentional Debris•Secondary Debris•Glass Retention•Surrounding Buildings
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Large Shock Tube
Photo Courtesy of Baker Risk – San Antonio, Tx
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Explosive in tube
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Specimen Chambers
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Blast Detonation
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Post Blast Analysis
– Blast Information– Glass Crack / Shatter– Glass Retention/Opening– Location of Shards– Damage to Witness Panel
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No BreakNo Hazard
Minimal Hazard
VLHVery Low Hazard Zone
LHLow Hazard Zone
HHHigh Hazard
Zone
Blast Protection/Hazard Rating
Blast
Window
Threshold
0.5 m
Threshold
2.0 m1.0 m
0.6 mISC/GSA
12
3a 3b
4
5
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4 psi; 28 psi*msec
High Grade Wood Window - AN Glass
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Blast Resistant GlazingRetrofit Installations
Glazing Tape
ExistingAluminum Frame or Window
Glazing TapeRetrofit Frame
Laminated Glass
Setting Block 1/8 - 1/4” thick
(positioned at bottom of glass only - 6” from corners &
midpoint)
Existing Glass
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High Grade Wood WindowLAG Retrofit
4 psi; 28 psi*msec
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Solar/Energy
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Fade Resistance
• Reduces fading of fabrics, carpets, furniture
• No adverse affects on plant life• Blocks out approximately 99% UV rays (up
to 380 nanometers)• Untreated glass blocks out less than 15%
of UV rays
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Comparative UV Screening Performance
0
10
20
30
40
50
60
70
80
90
10025
0
260
270
280
290
300
310
320
330
340
350
360
370
380
390
400
410
Wavelength (nanometers)
% U
V R
adia
tion
Scre
ened
1/4" Laminate 0.030" Saflex 1/4" Clear Glass 1/4" Low-e Glass
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Regulatory Trends
• Energy Codes• Windborne Debris Protection• Acoustics• Seismic• Bomb Blast Protection (overall security)• Certifications
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Growing Applications
˖ Energy Efficient Building Demand˖ Windborne Debris Protection˖ Fall out prevention˖ Acoustic damping˖ Interior Glass Use Increase˖ Customization of Space˖ Multi-functional glazing˖ Laminated Heat Strengthened ˖ Laminated Insulating Units˖ Availability of Products Increase− Amount of Glass use in Buildings Could Decrease
− Lack of Performance Understanding− Perceived Threat− Energy Requirements
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Industry Trends
• Consolidation• Vertical Integration
– Independent Lamination– Glazing Contractors Developing Proprietary Systems
• Demand for Glass Retention• Four Sided Structural Applications• In House Assembly/Unitized Construction• Green Buildings
– Energy Performance– Sustainability– Double Wall Construction– RFID– Deconstruction Requirements
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U.S. MARKET DRIVERS
• Building Codes• Government Regulation/Mandates• Government Mitigation Programs• Insurance Industry
– Lobbying efforts– Premiums – Availability of Insurance
• Architects, Specifiers and Glazing Contractors• Standard Development• Consolidation• Need for Differentiation• Need for “Security and Comfort”• Social Responsibility• Ease of acquisition and use
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Laminated Glass ProtectionSummary
Application RequirementStructural Glass Saflex 0.030 in (0.76 mm) GlassSafety Glazing CPSC 16 CFR 1201 Cat I Glass Saflex 0.015 in (0.38 mm) Glass
CPSC 16 CFR 1201 Cat II Glass Saflex 0.030 in (0.76 mm) GlassANSI Z97.1 Class A Glass Saflex 0.015 in (0.38 mm) GlassANSI Z97.1 Class B Glass Saflex 0.030 in (0.76 mm) Glass
Overhead & Sloped IRC & IBC < 16 sqft Glass Saflex 0.015 in (0.38 mm) GlassIRC & IBC >16 sqft Glass Saflex 0.030 in (0.76 mm) Glass
Hurricane Small Missile Glass Saflex 0.060 in (1.52 mm) GlassLarge Missile Glass Saflex 0.090 in (2.29 mm) GlassLarge Missile Glass Saflex HP 0.100 (2.54 mm) GlassLarge Missile Glass Saflex Storm 0.075 in (1.91 mm) Glass
Seismic IBC Glass Saflex 0.030 in (0.76 mm) GlassForced Entry/Exit UL 972; ASTM F 1233 Glass Saflex 0.060 in (1.52 mm) GlassBallistic UL 752; ASTM F 1233 Glass Saflex 0.015 in (0.38 mm) GlassBlast ASTM F 1642; GSA Glass Saflex 0.030 in (0.76 mm) GlassUV Screening NFRC Glass Saflex 0.015 in (0.38 mm) GlassSound ASTM E90, 413, 1332 Glass Saflex 0.030 in (0.76 mm) Glass
Basic Configuration
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Contact Information
For further informationvisit our website at:www.Saflex.com
or contact:
Julia SchimmelpenninghArchitectural Laminated
ApplicationsSaflex, a unit of Solutia Inc.
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This presentation is protected by US and International copyright laws. Reproduction,
distribution, display and use of the presentation without written permission of the
speaker is prohibited.© Solutia Inc. 2009