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In-Slab Duct

In-Slab Duct

In-Slab Duct is the primary air-moving component of the In-Slab system.  With its internal channel and spiral wound four-ply lock seam, it is both rugged and functional, standing up to the demanding nature of construction sites and providing a lifetime of service once buildings are complete.

Features:

  • 26-gauge internal reinforcing channel
  • Standard lengths of ten feet – easily cut to length on job sites
  • SMART Union made in North America
  • Certified to CAN/ULC S115 and ASTM R814 standard method of fire tests of firestop systems
  • Manufactured in 10’ lengths.
  • 3.5” wide reinforcing channel entire length of duct.
  • Can be shipped loose or lifts of 1080’ for easy hoisting on site.

CONSTRUCTION
Rectangular spiral seamed duct made to be installed in concrete doors of high-rise buildings.

GUARANTEE

Made in Canada.
All Tradesman Manufacturing products are guaranteed against defective material.
All testing performed by Intertek Testing Services NA Ltd.
Warnock Hersey and Hardy Associates Ltd.
Pressure rating (-1 to +2 water gauge)

OPTIONAL CONSTRUCTION

Custom sizes available upon request to suit any and all applications.

Specification
  • Available Sizes:

    1- Product Code: SDR/1753/26

    Size (A x B): 12” x 1.75” 

    Channel Width (D): 3.5”


    2- Product Code: SDR/2003/26

    Size (A x B): 12” x 2”

    Channel Width (D): 3.5”

Technical specification
  • Unique ref.in-slab-duct
  • Product familyHVAC Ductwork System
  • Product groupHVAC Ductwork Diffuser
  • TypeObject (single object)
  • Date of publishing2025-12-17
  • Edition number1
Related
  • Designed inCanada
  • Manufactured inCanada
Classification
  • BIMobject CategoryHVAC - Ductwork
  • IFC classificationDuct Fitting
  • ETIM CodeEG015540
  • ETIM NameFittings, flanges and connectors
  • Uniclass 2015 CodePr_65_65_25
  • Uniclass 2015 DescriptionDuctwork and fittings
  • CSI MasterFormat 2014 Code23 31 13
  • CSI MasterFormat 2014 TitleMetal Ducts
  • OmniClass Number23-33 49 00
  • OmniClass TitleHVAC Ductwork

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States
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