Copyright 2024. Urban Slab. All rights reserved.

Since 2004, we have been committed to delivering exceptional FRP Fiberglass Reinforced Plastic Duct by Spunstrand. With two decades of expertise and innovation, we have become a trusted name in the industry, providing reliable, efficient, and high-quality HVAC duct systems to residential, commercial, and industrial clients.




​​​​​Our duct sizes range from 2" through 120" round and custom rectangular ducting.

 R Values from R4, R6, R8, R10, R12, uninsulated and other R Values available upon request. 

We also offer custom fittings, plenums, register boots, and plunger operated dampers. In addition to these items we have: rectangular duct and fittings as well as duct silencers.