West Michigan
2735 West River Dr NW
Walker MI 49544
T 616.475.5905
F 616.475.6433
East Michigan
37050 Plymouth Rd
Livonia MI 48150
T 734.261.0410
F 734.261.0435


engineering data and information 

Engineering Data


Product submittals are available upon request for the following categories: (click here to request submittal information)

  • SW / DW Spiral Ductwork
  • SW / DW Oval Ductwork 
  • PCD Underground and Fume
  • SW / DW Rectangle Ductwork 

Product Catalog

We currently have catalogs covering the following categories: (click here to request Product Catalogs)

  • PCD Ductwork Catalog
  • Our Complete Ductwork Catalog
  • Spiral / Oval Condensed Ductwork Catalog

The catalogs are available in PDF format but can be provided in a spiral bound booklet which is very good for field use.  We do have a 3-ring Catalog for your Engineering use.  Please complete the information form to request a catalog.

Order Forms

Orders can be taken from your paperwork or use our pre-printed forms to make it easy for you to collect and specify the ductwork needed.  We have forms specifically made for Spiral/Oval or Rectangle ductwork. (Click here to request order forms)

SMACNA Pressure Class Charts

We maintain current SMACNA duct construction reference books.  (Click here to submit a request.)