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Fundamentals of Indoor Sports Floors:

Fundamentals of Indoor Sports Floors:. From Rubber to Polypropylene!. Rubber. Vinyl. Polyurethane. Polypropylene. Synthetics Do What Concrete Can’t. MAXIMUM SHOCK ABSORPTION & ENERGY RETURN. Energy IN vs. Energy OUT. Synthetics Reduce Injury and Fatigue. Surface Related Injuries :

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Fundamentals of Indoor Sports Floors:

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  1. Fundamentals of Indoor Sports Floors: From Rubber to Polypropylene!

  2. Rubber

  3. Vinyl

  4. Polyurethane

  5. Polypropylene

  6. Synthetics Do What Concrete Can’t MAXIMUM SHOCK ABSORPTION & ENERGY RETURN. Energy IN vs. Energy OUT

  7. Synthetics Reduce Injury and Fatigue Surface Related Injuries: Abrasions Slip and Fall Muscle Pulls Torn Tendons Torn Ligaments Impact Injuries

  8. Synthetics Are Multipurpose

  9. Synthetics Save Money INSTALLATION Hardwood = $ Expensive Synthetic = VALUE MAINTENANCE NO Annual Recoats $$$ NO 7 to 10 yr Resands $$$$$

  10. Synthetics are part of a Sustainable Design • Rapidly Renewable • Clean Production • Clean Installation • VOC Compliant • Long Life • Recyclable

  11. Britney Spears- Princess of Pop

  12. Tom Jones- King of Cool

  13. Both Ride on Vulcanized Rubber

  14. It All Started With Rubber • Locomotive springs • Conveyor belts. • Seals for sewers. • Flooring • Inflatable boats. • Clothing.

  15. Vulcanized Rubber Vulcanized Rubber = Rubber + Sulfur + Heat Natural Rubber from Hevea Tree

  16. Christopher Columbus Discovery of Rubber- 1499 • Discovered rubber on his third voyage to the New World from 1498-1500.

  17. Charles Goodyear - 1839 • No formal education. • Hardware dealer and inventor. • Accidentally discovered Vulcanization. • Died of Lead Poisoning.

  18. Thomas Hancock - 1843 • Stole idea from Goodyear. • Awarded patent rights. • Developed machinery. • Vulcan- Roman God of Fire. VULCANITE

  19. Sir Henry Wickham -1876 Expedition to Amazon

  20. Henry Ridley • Director of Singapore Botanic Gardens. • Encouraged rubber planting.

  21. Waldo Semon – 1933 • Accidentally invented vinyl at BF Goodrich trying to bond rubber to steel. • Grandfather fought in the Civil War and fought the Sioux with Custer. • Great-grandfather crossed the country for the California gold rush. • First job was working in Bill Cody’s Wild West Show. • 116 Patents. • Invented SBR (Government Rubber- Styrene) Helped save the world. • Invented synthetic rubber bubblegum. • Died in 1999. SBR & POLYVINYL CHLORIDE

  22. Characteristics of PVC Pliable and moldable. Inexpensive to make (sea water and petroleum). Chlorine makes it an inherent fire retardant. 60% of vinyl is used by the construction industry.

  23. Walter Diemer - 1928 • Invented conventional bubblegum. • Accountant for Fleer. BUBBLE GUM

  24. Otto Bayer - 1939 INVENTED POLYURETHANES Germany needed rubber substitutes during World War II. Invented high quality bristle brushes. POLYURETHANE

  25. Giulio Natta - 1954 Awarded the Nobel Prize at Milan Polytechnic for the introduction of polypropylene resins through the polymerization of polypropylene to produce stereo regular polymers. POLYPROPYLENE

  26. More Durable than Tom Jones Tom Jones circa 2002

  27. Outperform Even Britney Spears!

  28. F - Numbers FL FF LEVELNESS FLATNESS FF 25 / FL 20 Flatness always comes first. “F 25” means “FF 25”

  29. F Numbers Are Linear The higher the number the better. FF 20 is twice as flat as FF 10

  30. What Was Wrong With Straightedge? How to Interpret 1/8” in 10’? Unscientific and Non-repeatable . Almost Never Achieved.

  31. Straightedge Doesn’t Control The Floor All These Floors Meet 1/8” in 10’

  32. What F-Number = 1/8” in 10’ FF 25 ≈ ± 1/4” defect in 10’ FF 50 ≈ ± 1/8” defect in 10’ FF 100 ≈ ± 1/16” defect in 10’

  33. How F-Numbers Are Measured Dipstick

  34. ASTM E-1155 Not over expansion joints OK over saw cuts Minimum 30 readings Leave out 2’ border Exclude handwork areas

  35. How Readings Are Taken “Q” readings for flatness “Z” readings for levelness

  36. Problems For Us We go over expansion joints We include the 2’ border We include handwork areas Readings taken immediately after pour Saw cuts warp Our Spec is 1/8” in 10’

  37. The End - Go Forth and Prosper!!

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