VIRTUES OF PRE-GLAZING
                 For Windborne Debris


SMI Systems, continuing education program for architects
SM...
SMI Systems engineers and manufactures custom window
systems for the hurricane market. SMI has over 200 glazier-
dealers d...
SMI Systems is a Registered Provider with The American
Institute of Architects Continuing Education Systems. Credits earne...
VIRTUES OF PRE-GLAZING
            For Windborne Debris



Participants will learn:

1.  Designing Commercial Buildings fo...
WINDBORNE DEBRIS AND CODES




                                              1936, building code recommended
             ...
MOST DESTRUCTIVE HURRICANES (ATLANTIC)




         Note: damages are listed in US Dollars and are not adjusted for inflat...
WATER DAMAGE



Water damage, from hurricanes, to buildings are
   the number one cause for insured losses




           ...
DYNAMICS OF A HURRICANE




                          Virtues of Pre-Glazing
MAINTAINING THE BUILDING ENVELOPE


•    Air
•    Water
•    Wind
•    Windborne Debris

•    Walls
•    Roofs
•    Louver...
KEY CONSIDERATIONS FOR HURRICANE
PROTECTION


1.  WIND PRESSURE

2.  IMPACT RESISTANCE

3.  WATER PENETRATION




        ...
STRUCTURAL INTEGRITY



  The primary consideration is maintaining
     the structural integrity of a building




       ...
WIND SPEED




             Virtues of Pre-Glazing
WIND SPEED – LOCAL MAPS




                                         Virtues of Pre-Glazing
Google: Hernando county wind s...
IMPACT RESISTANCE


•  Flying Debris
•  Breach the Envelope
•  Water Infiltration
•  Structure Damage




                ...
WINDBORNE DEBRIS



  •  Miami-Dade & Florida standards TAS-201, TAS-202, TAS-203
       •  TAS: Testing Application Stand...
IMPACT TEST




              Insert Impact Video 




                                     Virtues of Pre-Glazing
IMPACT MISSIEL REQUIREMENTS




Missile      Missile          Impact Speed           Typical Use
Level                    ...
WIND ZONE & MISSILE TYPES



   ASTM E1996      MPH & Loca1on            Basic Protec1on        Enhanced Protec1on 
      ...
FLORIDA WIND ZONES




                     Virtues of Pre-Glazing
SMALL & LARGE MISSILE REQUIREMENTS




                               Small Missile
                                      ...
CYCLICAL PRESSURE TESTING


•  Simulate positive and negative
   pressures

•  Determines the approved
   design pressures...
CYCLICAL TEST VIDEO




                      Virtues of Pre-Glazing
CYCLIC STATIC AIR PRESSURE LOADING


  Loading Sequence    Air Pressure Direc1ons    Design Pressure (%)    Number of Cycl...
WATER PENETRATION




                    Virtues of Pre-Glazing
WATER PENETRATION TESTING


•  Testing simulates wind-driven rain
•  ASTM E 547 test methods
•  Passing the test




     ...
WATER TEST VIDEO




           Insert Water Test Video 




                                      Virtues of Pre-Glazing
GLAZING COMPONENTS


Each glazing component is critical to the overall
glazing system design and overall performance
•    ...
IMPACT-RESISTANT GLASS




                         Virtues of Pre-Glazing
FASTENERS & STRUCTURAL BOND


                                 Types of fasteners and locations must follow
              ...
EXTRUSIONS & HARDWARE




                        Virtues of Pre-Glazing
GLASS ATTACHMENT METHODS


     Inside Glazed versus Outside Glazed




                                           Virtues...
PRE-GLAZED SYSTEMS


  Pre-glazed systems offer the best defense to
   water penetration and are cost competitive




    ...
COMMERCIAL PRE-GLAZED SYSTEMS


     Practically any type of commercial
     glazing system can be pre-glazed




        ...
COMMERCIAL GLAZING METHODS




    Stick System




                    Unitized (pre-glazed) System

                    ...
STICK SYSTEMS




                Virtues of Pre-Glazing
FIELD FABRICATION PROCESS


1.  Stock lengths of aluminum delivered to
    the field

2.  Aluminum cut to dimensions on ch...
FIELD FABRICATION - POTENTIAL ISSUE


1.  Stock lengths delivered to job
    site
2.  Aluminum cut to dimensions
3.  Insta...
PRE-GLAZED SYSTEMS




                     Virtues of Pre-Glazing
PRE-GLAZED: FACTORY ADVANTAGES


1.  Maximizes aluminum yield

2.  Precise aluminum cutting

3.  Precise installation hole...
PRE-GLAZED: FIELD ADVANTAGES


1.  Minimizes product handling
2.  Lowers jobsite traffic
3.  Reduces field labor
4.  Reduc...
PRE-GLAZING: COST SAVINGS




                            Virtues of Pre-Glazing
PRE-GLAZED BENEFITS




                      Virtues of Pre-Glazing
2 midtown - Miami, FL

Design Concern:
  Project had short timetable and glazing
  contractor was new to area
Product Cons...
2 midtown




            Virtues of Pre-Glazing
GLAZING SYSTEM DESIGN


•  Test performance
•  Real life performance
•  Ease of installation
•  Ease of use
•  Project lon...
QUALITY CHARACTERISTICS


•  Glass Type
•  Sealant Type
•  Glass Bite
•  Glazing Method
•  Extrusion Thickness
•  Stainles...
PRODUCT SELECTION: RESOURCES




                               Virtues of Pre-Glazing
PRODUCT SELECTION: PRODUCT DESIGN




                                    Virtues of Pre-Glazing
NOTICE OF ACCEPTANCE: NOA’S




         Visit: www.miamidade.gov/buildingcode
                                           ...
PRODUCT SELECTION: INSTALLATION CONDITIONS




        Example of manufacturers installation specifications (NOA)
        ...
PRODUCT SELECTION: WINDOW MANUFACTURER




                                         Virtues of Pre-Glazing
PRODUCT SELECTION: MANUFACTURER WARRANTY




               Example of manufacturers limited warranty
                    ...
PRODUCT SELECTION: INSTALLATION MANUAL




                                                              Virtues of Pre-Gl...
DUE DILIGENCE


    Protect yourself and your clients by
         doing your due diligence




                           ...
Northlake Corporate Park - Miami, FL

Design Concern:
  Four buildings, 60,000 s.f. office complex with
  existing tentant...
PRE-GLAZED SYSTEMS




                     Virtues of Pre-Glazing
Thank You
For additional information on impact windows
and doors please visit: www.impactglass.com




                   ...
Upcoming SlideShare
Loading in …5
×

Virtues Of Pre Glazing

1,852 views

Published on

SMI AIA Presentation

0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
1,852
On SlideShare
0
From Embeds
0
Number of Embeds
356
Actions
Shares
0
Downloads
13
Comments
0
Likes
1
Embeds 0
No embeds

No notes for slide

Virtues Of Pre Glazing

  1. 1. VIRTUES OF PRE-GLAZING For Windborne Debris SMI Systems, continuing education program for architects SMI AIA Provider Number: L407 AIA Course Reference: SMI101 This course qualifies for 1.0 LU AIA/CES credits Virtues of Pre-Glazing
  2. 2. SMI Systems engineers and manufactures custom window systems for the hurricane market. SMI has over 200 glazier- dealers distributing their products throughout Florida, the eastern seaboard, the Caribbean and Latin America. Based out of Miami, Florida, SMI has over 60,000 square feet of manufacturing space. SMI’s product line includes a full line of storefront, non-impact, impact and insulated impact as well as unique door products such as showroom doors, radius top doors and the K-2 Breeze.   Virtues of Pre-Glazing
  3. 3. SMI Systems is a Registered Provider with The American Institute of Architects Continuing Education Systems. Credits earned on completion of this program will be reported to CES Records for AIA members. Certificates of Completion for non-AIA members available on request. This program is registered with the AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product. Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation.
  4. 4. VIRTUES OF PRE-GLAZING For Windborne Debris Participants will learn: 1.  Designing Commercial Buildings for Windborne Debris 2.  Pre-Glazed Systems for Windborne Debris 3.  Product Evaluation for Windborne Debris 4.  Specifying Glazing Systems for Windborne Debris Virtues of Pre-Glazing
  5. 5. WINDBORNE DEBRIS AND CODES 1936, building code recommended hurricane shutters 1926, early hurricane damage to property Virtues of Pre-Glazing
  6. 6. MOST DESTRUCTIVE HURRICANES (ATLANTIC) Note: damages are listed in US Dollars and are not adjusted for inflation Source: www.mthhurricane.com Virtues of Pre-Glazing
  7. 7. WATER DAMAGE Water damage, from hurricanes, to buildings are the number one cause for insured losses Canal Street, New Orleans after Hurricane Katrina Virtues of Pre-Glazing
  8. 8. DYNAMICS OF A HURRICANE Virtues of Pre-Glazing
  9. 9. MAINTAINING THE BUILDING ENVELOPE •  Air •  Water •  Wind •  Windborne Debris •  Walls •  Roofs •  Louvers •  Glazed Curtain Wall •  Windows & Doors Virtues of Pre-Glazing
  10. 10. KEY CONSIDERATIONS FOR HURRICANE PROTECTION 1.  WIND PRESSURE 2.  IMPACT RESISTANCE 3.  WATER PENETRATION Virtues of Pre-Glazing
  11. 11. STRUCTURAL INTEGRITY The primary consideration is maintaining the structural integrity of a building Virtues of Pre-Glazing
  12. 12. WIND SPEED Virtues of Pre-Glazing
  13. 13. WIND SPEED – LOCAL MAPS Virtues of Pre-Glazing Google: Hernando county wind speed map
  14. 14. IMPACT RESISTANCE •  Flying Debris •  Breach the Envelope •  Water Infiltration •  Structure Damage Virtues of Pre-Glazing
  15. 15. WINDBORNE DEBRIS •  Miami-Dade & Florida standards TAS-201, TAS-202, TAS-203 •  TAS: Testing Application Standard •  201: impact test •  202: static air pressure (for impact & non-impact) •  203: cyclic wind pressure loading •  International Code Council (ICC) reference ASTM E 1886 & ASTM E 1996 Virtues of Pre-Glazing 15 
  16. 16. IMPACT TEST Insert Impact Video  Virtues of Pre-Glazing
  17. 17. IMPACT MISSIEL REQUIREMENTS Missile Missile Impact Speed Typical Use Level feet/sec (mph) A 2 gram steel ball 130 (89) Above 30 ft Wind Zone 1 through 4 B 2 lb. Lumber 50 (34) Skylights < 30 ft. Wind Zone 2 (Basic) C 4.5 lb. Lumber 40 (27) Less than 30 ft. Wind Zone 1 & 2 (Basic) D 9 lb. Lumber 50 (34) Less than 30 ft. Wind Zone 3 & 4 (Basic) Wind Zone 1 & 2 (Enhanced) E 9 lb. Lumber 80 (55) Less than 30 ft. Wind Zone 3 & 4 (Enhanced) Virtues of Pre-Glazing
  18. 18. WIND ZONE & MISSILE TYPES ASTM E1996  MPH & Loca1on  Basic Protec1on  Enhanced Protec1on  <=30’          >30’  <=30’             >30’  Wind Zone 1  110 – 120+         C           A        D            D  (Hawaii)  Wind Zone 2  120 – 130         C           A        D            D  > 1 mile from coast  Wind Zone 3  130 – 140 or         D           A        E             D  120 – 140   < 1 mile from coast  Wind Zone 4  > 140         D           A        E             D  South Florida  Virtues of Pre-Glazing
  19. 19. FLORIDA WIND ZONES Virtues of Pre-Glazing
  20. 20. SMALL & LARGE MISSILE REQUIREMENTS Small Missile Above 30 feet Less than 30 feet Large Missile Note: missile size based on protections classification and wind zone Virtues of Pre-Glazing
  21. 21. CYCLICAL PRESSURE TESTING •  Simulate positive and negative pressures •  Determines the approved design pressures •  9,000 total cycles •  Cycling occurs after impact •  **1342 cycles for non-glazed products (i.e. shutters, storm panels) Virtues of Pre-Glazing
  22. 22. CYCLICAL TEST VIDEO Virtues of Pre-Glazing
  23. 23. CYCLIC STATIC AIR PRESSURE LOADING Loading Sequence  Air Pressure Direc1ons  Design Pressure (%)  Number of Cycles  1 Positive 0.2 to 0.5 P+ 3,500 2 Positive 0.0 to 0.6 P+ 300 3 Positive 0.5 to 0.8 P+ 600 4 Positive 0.3 to 1.0 P+ 100 5 Negative 0.3 to 1.0 P- 50 6 Negative 0.5 to 0.8 P- 1,050 7 Negative 0.0 to 0.6 P- 50 8 Negative 0.2 to 0.5 P- 3,350 Total 9,000 Virtues of Pre-Glazing
  24. 24. WATER PENETRATION Virtues of Pre-Glazing
  25. 25. WATER PENETRATION TESTING •  Testing simulates wind-driven rain •  ASTM E 547 test methods •  Passing the test Virtues of Pre-Glazing
  26. 26. WATER TEST VIDEO Insert Water Test Video  Virtues of Pre-Glazing
  27. 27. GLAZING COMPONENTS Each glazing component is critical to the overall glazing system design and overall performance •  Glass •  Extrusions •  Sealants •  Hardware •  Fasteners Virtues of Pre-Glazing
  28. 28. IMPACT-RESISTANT GLASS Virtues of Pre-Glazing
  29. 29. FASTENERS & STRUCTURAL BOND Types of fasteners and locations must follow specifications Glass wants to pull out of frame, structural bond is critical Positive/negative pressures from cycling 50 to 200+ PSF Virtues of Pre-Glazing
  30. 30. EXTRUSIONS & HARDWARE Virtues of Pre-Glazing
  31. 31. GLASS ATTACHMENT METHODS Inside Glazed versus Outside Glazed Virtues of Pre-Glazing 2
  32. 32. PRE-GLAZED SYSTEMS Pre-glazed systems offer the best defense to water penetration and are cost competitive Virtues of Pre-Glazing
  33. 33. COMMERCIAL PRE-GLAZED SYSTEMS Practically any type of commercial glazing system can be pre-glazed Virtues of Pre-Glazing
  34. 34. COMMERCIAL GLAZING METHODS Stick System Unitized (pre-glazed) System Virtues of Pre-Glazing
  35. 35. STICK SYSTEMS Virtues of Pre-Glazing
  36. 36. FIELD FABRICATION PROCESS 1.  Stock lengths of aluminum delivered to the field 2.  Aluminum cut to dimensions on chop- saw 3.  Installation holes drilled to specifications in cut lengths 4.  Sealant applied to adjoining edges 5.  Frame assembled with fasteners 6.  Assembled frame installed into opening Virtues of Pre-Glazing
  37. 37. FIELD FABRICATION - POTENTIAL ISSUE 1.  Stock lengths delivered to job site 2.  Aluminum cut to dimensions 3.  Installation holes drilled to specifications 4.  Sealant applied to adjoining edges 5.  Frame assembled with fasteners 6.  Assembled frame installed into opening Virtues of Pre-Glazing
  38. 38. PRE-GLAZED SYSTEMS Virtues of Pre-Glazing
  39. 39. PRE-GLAZED: FACTORY ADVANTAGES 1.  Maximizes aluminum yield 2.  Precise aluminum cutting 3.  Precise installation holes prep 4.  Insures use of proper fasteners 5.  Proper silicone application 6.  Controlled environment for frame sealant 7.  Controlled environment for silicone 8.  Packaging to minimize damage Virtues of Pre-Glazing
  40. 40. PRE-GLAZED: FIELD ADVANTAGES 1.  Minimizes product handling 2.  Lowers jobsite traffic 3.  Reduces field labor 4.  Reduces trips to jobsite 5.  Increases jobsite safety 6.  Minimizes frame racking 7.  Reduces field mistakes 8.  Quicker dry-in time Virtues of Pre-Glazing
  41. 41. PRE-GLAZING: COST SAVINGS Virtues of Pre-Glazing
  42. 42. PRE-GLAZED BENEFITS Virtues of Pre-Glazing
  43. 43. 2 midtown - Miami, FL Design Concern: Project had short timetable and glazing contractor was new to area Product Considerations: Traditional commercial storefront or pre-glazed storefront Decision: Pre-glazed storefront Reasons: •  Pre-glazing minimized concern over inexperienced glazier fabricating product •  The rapid timeframe also warranted the fastest install possible •  Additionally, the windows required applied muntins which would have been extremely difficult to apply on the exterior after installation Result: Project stayed on time and the glazier was able to focus on installation vs. fabrication Virtues of Pre-Glazing
  44. 44. 2 midtown Virtues of Pre-Glazing
  45. 45. GLAZING SYSTEM DESIGN •  Test performance •  Real life performance •  Ease of installation •  Ease of use •  Project longevity •  Aesthetics •  Warranties •  Customer satisfaction Virtues of Pre-Glazing
  46. 46. QUALITY CHARACTERISTICS •  Glass Type •  Sealant Type •  Glass Bite •  Glazing Method •  Extrusion Thickness •  Stainless Steel Hardware •  Quality Vendors Virtues of Pre-Glazing
  47. 47. PRODUCT SELECTION: RESOURCES Virtues of Pre-Glazing
  48. 48. PRODUCT SELECTION: PRODUCT DESIGN Virtues of Pre-Glazing
  49. 49. NOTICE OF ACCEPTANCE: NOA’S Visit: www.miamidade.gov/buildingcode Virtues of Pre-Glazing
  50. 50. PRODUCT SELECTION: INSTALLATION CONDITIONS Example of manufacturers installation specifications (NOA) Virtues of Pre-Glazing
  51. 51. PRODUCT SELECTION: WINDOW MANUFACTURER Virtues of Pre-Glazing
  52. 52. PRODUCT SELECTION: MANUFACTURER WARRANTY Example of manufacturers limited warranty Virtues of Pre-Glazing
  53. 53. PRODUCT SELECTION: INSTALLATION MANUAL Virtues of Pre-Glazing Example of manufacturers installation manual
  54. 54. DUE DILIGENCE Protect yourself and your clients by doing your due diligence Virtues of Pre-Glazing
  55. 55. Northlake Corporate Park - Miami, FL Design Concern: Four buildings, 60,000 s.f. office complex with existing tentants Product Considerations: Traditional commercial storefront or pre-glazed storefront Decision: Pre-glazed storefront Reasons: •  Speed of tear out and replacement •  Concern over prior water intrusion caused by previous poor installation and fabrication on the jobsite Results: •  No tenant was inconvenienced more than one day •  No water intrusion since installation (hurricane Francis, Jeanne and Wilma) Virtues of Pre-Glazing
  56. 56. PRE-GLAZED SYSTEMS Virtues of Pre-Glazing
  57. 57. Thank You For additional information on impact windows and doors please visit: www.impactglass.com Virtues of Pre-Glazing

×