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The targets varied in age and substrate.
The epdm roofing association retained the services of jim d.
The following are papers that were presented during the conference and their authors names.
What are the effects of hail on residential roofing products.
Theimpact resistance of both the field aged and heat aged membrane also clearlydemonstrates that epdm retains the bulk of its impact resistance as it ages.
Jdka is monitoring information from local state and federal agencies including the centers for disease control and prevention cdc.
A roofing consultant firm that provides material testing as well as other services founded by rene dupuis a noted expert in the field jim koontz associates.
25 27 2002 in orlando fla.
Koontz associates inc.
The following article was adapted from a paper that was presented at the thrid international symposium on roofing technology which was held in april.
Koontz p e rrc jim d.
Koontz associates inc.
Koontz jim d a comparative study of dynamic impact and static loading of one ply roofing assemblies special technical publication 959 american society for testing and materials 1988 page 24.
Combining close to 50 years of experience in hail investigation roof research roof consulting and laboratory analysis of roofing materials they have authored numerous technical articles and.
He has a bachelor s degree in engineering and a master s degree in business administration from tulane university new orleans.
Koontz and vickie crenshaw are consulting engineers with jim d.
Koontz p e rrc is president of jim d.
Of hobbs new mexico a roof engineering firm.
The overall results of this research clearly indicate that non reinforced epdm roofassemblies offer a high degree of hail resistance over a variety of substrates.
To perform laboratory testing on 81 test targets provided by the association.
The samples were impacted with ice spheres read more.
Koontz associates inc.
It came from hail.
Corona virus covid 19 update.
This article examines the sometimes devastating effects that hail can have on asphalt shingles wood shingles and shakes and concrete tile shingles by jim d.
The 12th international roofing and waterproofing conference was held sept.
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A roofing consultant firm in new mexico and the cannon group s primary roofing construction materials testing firm united states.
Hutchinson aia csi frci rrc.
