Copyright 2024. Urban Slab. All rights reserved.

Since 2004, Urban Slab provides the highest quality FRP Fiberglass Reinforced Plastic Duct by Spunstrand for the HVAC industry.

We also offer custom fittings, plenums, register boots, and plunger operated dampers, rectangular duct/fittings and duct silencers.

​​​​​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.