About AmeriDex
Built by People Who Install, Invent and Manufacture.
AmeriDex is a New Jersey company from A & M Building Products. Call 1-800-217-9206 and you reach us directly.
Meet the founders
A carpenter and a manufacturer who set out to keep the space under a deck dry.
John Ardolina, Co-Founder
Carpenter by trade. Founded Dexerdry, Inc. in 2014 and developed the patented Dexerdry seal.
Jim Murphy, Co-Founder and VP of Business Development
Leads the manufacturing side, including our deck board plant in Linden, New Jersey.
Our team in Brick, New Jersey
Answers the phone, replies to email and reviews every quote request.
Our roots
Three kinds of experience, one company.
Installing
It started on a jobsite, building decks and seeing water soak the framing below.
Innovative product development
The patented Dexerdry seal, U.S. Patent 7,028,437.
Manufacturing
Cellular PVC deck boards made in Linden, New Jersey.
- JobsiteA carpenter sees the problem firsthand
- 2014Dexerdry, Inc. is founded
- 2023A & M Building Products launches AmeriDex
Made in New Jersey
Made and supported in the USA.
Linden, NJ
Deck board manufacturing
Brick, NJ
Headquarters, sales and warehouse
Made in the USA
Boards and Dexerdry seal
Our promise when you reach out
What you can count on from us.
- A real person reads itReply by email within 1-2 business days.
- No pressureNo obligation and no deposit for a quote.
- Your info stays with usWe do not share it or call unless you ask.
- Free samplesDeck board samples shipped to your door.
- A local connectionWe route you to your closest authorized dealer or builder.
Want AmeriDex on your next deck?
Mon-Fri, 8am-5pm ET. Real people, no obligation.