About Spunstrand® Inc.
For over 50 years, Spunstrand® Inc. has furnished miles of underslab HVAC duct systems, above ground industrial and municipal duct systems and various special applications. Installations are in every state and foreign countries. All these years and miles of pipe have produced a multitude of reliable services available to engineers, contractors and architects.
These services include:
Duct sizing and layout assistance
Trenching and backfill considerations
Full structural calculations for burial, pressure, vacuum, etc.
A unique system for underslab in boot buried dampers
Design for flex connections and expansion boots
Field joint procedures and demonstrations
On-site factory training
Carbon vessel design, selection and sizing
Absorbtion media selections
Shop drawing reviews for factory manifolded considerations
Quality control procedures
Visual inspection criteria
CSI format specs as word or pdf files