CORRECT!!
What does EPDM stand for? Answer - Ethylene propylene diene terpolymer
What mil thickness are available for Reinforced EPDM membrane (Sure-
tough/Versigard)? Answer - 45 mil, 60 mil, 75 mil
What mil thickness are available for Non-reinforced EPDM membrane (Sure-
seal/Versigard)? Answer - 45 mil, 60 mil, 90 mil
Wider than 10' sheets are what type of membrane, reinforced or non-
reinforced? Are they Dusted or Kleen? Answer - Non-reinforced / Dusted
What widths is Sure-tough/Versigard Reinforced membrane available in?
Answer - 5', 6.5', 8', 10'
How often is the Pressure Sensitive RUSS strip fastened at a parapet wall detail
(20 year or less, not exceeding 90 mph)? Answer - 12" O.C.
What does RUSS stand for? Answer - Reinforced Universal Securement Strip
What sizes are Sure-seal/Versigard pourable sealer pockets available in?
Answer - 4", 6", 8"
, When using 90 mil Non-reinforced EPDM and or when installing for 25/30 year
warranty, what is the enhancement at the membrane intersection (T-joint)?
Answer - 6" x 6 - 12" x 12 (double layer)
What products are used to clean EPDM membrane and what is the coverage
rate? Answer - Weathered membrane cleaner, Low-VOC membrane cleaner /
400 sq ft per gallon finished surface
What is the coverage rate of 90-8-30A/G200SA bonding adhesive? Is it a wet-
lay-in adhesive or contact adhesive? Answer - 60 sq ft per gallon finished
surface / Contact adhesive
What is the difference in application between a wet-lay-in adhesive, and a
contact adhesive? Answer - Wet-lay-in - Adhere to substrate bond membrane
while still wet, broom, roll with 150 lb. segmented roller
Contact - Adhere to substrate and membrane, wait to become tacky, mate
substrate and membrane, broom
What is the primary securement of fully adhered system? Answer - Insulation
securely fastened to the deck / bonding adhesive
What is the maximum warranty windspeed coverage available for a ballasted
roof system? Answer - 80 mph
For a Ballasted system, what is the ballast and coverage required for a 55-mph
warranty on a 30 ft tall building Answer - 1-1/2" nominial stone 10 lbs. per sq
ft
Which products can be used to overlay a metal drip edge? Answer - PS Cured
Cover Strip / PS Overlayment Strip