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Upcoming Events


Philadelphia, PA
Photo Credit: Photo by Bob Krist for the PHLCVB

The Perlite Institute holds an Annual Meeting where members come together to network, learn about processes and new developments in the industry and tour local plant(s).

2018 Perlite Institute Annual Meeting
September 23 – 26, 2018
Philadelphia, PA

Click here for the attendee brochure.
Click here for the registration form.

Hotel Information
Warwick Hotel Rittenhouse Square (lodging and meeting location)
220 S 17th Street, Philadelphia, PA 19103

The Perlite Institute is able to offer Annual Meeting attendees a single room rate of $219 per night plus applicable taxes and fees. Room block rates are guaranteed through August 23, 2018 unless the room block is filled before the date. This rate is applicable from September 23, 2018 through September 28, 2018.
To ensure you have a room for the Annual Meeting, please make your reservations now. Reservations can be made by calling the Warwick Hotel Rittenhouse Square and mentioning “Perlite Institute Annual Meeting” or by using the online reservation link. Please select the dates you will be staying and then click on “Book Now.” If you need assistance making your reservation, please call the hotel at 215-735-6000.