Who is Bob Carpenter?

Robert N. Carpenter has been sculpting and carving for over 40 years. After obtaining an Engineering degree from Syracuse University he went to Germany to study at the German State Woodcarving School in Oberammergau and subsequently at the Master School for Stone Sculpture, Carving, and Technique in Freiburg. He is the only American to ever attend the Master School in Freiburg. He also has earned a Master of Arts in the USA. His expertise extends to lettering, historical restoration, reproductions, detail carving, as well as original art and commissions.



One of Bob’s jobs required engraving lettering into the floor of the New York Public Library off of 42nd which, is made out of marble. While researching different techniques to do this job, he realized that he needed to use some sort of  portable sand blasting system to have enough power and to get finish he wanted. Most of the  portable sand blasters are either used in a cabinet or too big to haul into a public library.

Bob’s Criteria:

  • Small
  • Portable
  • Powerful
  • Easy to use
  • No cabinet
  • Precision blasting

Solution: Portable Sand Blaster

That’s when he found our portable sand blaster, the Mobile Problast. After a few phone calls with Bob, he sent us a piece of marble to blast on to ensure that our blaster was powerful and precise to ensure success on the permanent marble floor of the New York Public Library. Upon receiving the sample piece of marble back from Vaniman, he was convinced to buy our portable sand blaster and proceeded to finish his problem with no issues. Bob recommends our product to anyone who needs a portable sand blaster.


If you have a similar project to Bob’s New York Public Library project and need a portable sand blaster please give us a call at 800-VANIMAN (826-4626). We would be more than happy to talk with you and help you pick the right portable sand blaster for your job. Thank you for reading and have a great day!