Harmony Sand & Gravel’s commitment to customers service ensures that all their customers receive competitive pricing, absolute quality, exact specifications, immediate delivery and no loading delay.

In addition to our roof products, we are a prime source for well-grade mineral aggregates for use in black top, ready mixed concrete, blocks as well as blended course- and fine- grade products that are stock piled for immediate delivery to any project.

In addition to construction and landscape aggregates, Harmony is widely recognized as a pioneer in the development and manufacturing of Round Roofing Stones.  Our expansive market area is comprised of all of New Jersey, Eastern half of Pennsylvania and also ranges from Connecticut to Florida.

Some of the work done with our round roofing stone includes the following:

• J.F.K. International Airport , 

(most terminals)

• Curtis-Wright (35 acre roof)

• World Trade Center

• Iron Run Office Complex

• Kraft Foods

• Giant Markets

• The Fuller Company

• Geisinger-Wyoming Valley

 Medical Center

Many high schools, industrial parks, county facilities, shopping centers and office complexes

Roofing  Aggregates

• 1 inch round ballast for the one ply rubber roofs

• 3/4 inch round for special light weight rubber roofs

• 3/4 inch aggregate for the IRMA process

• 3/8 inch ( ASTM 1863 spec) for built up roofs

• 5/8 inch round for special applications

• We carry 3/8 inch spar (white marble) for built up roofs

• Bulk deliveries anywhere, anytime and on time

• Our round roofing product meets or exceeds the specifications of all the major rubber manufacturers.  In fact, many refer to our product by name.

• Reference can be provided on request.