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      • ADJ. AIR HANDLER STANDS
      • R/A STANDS - FIBERGLASS
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      • THE COFFIN BOX
      • R/A STANDS - ACCESSORIES
      • FIBERGLASS
      • AUXILIARY DRAIN PANS
      • HANGING KITS
      • TIE DOWN ANCHOR CLIPS
      • ALUMINUM CONDENSER STANDS
      • ALUMINUM WALL BRACE
      • HURRICANE AIR BRACE
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      • TAPERED PLENUMS
      • PACKAGE UNIT ADAPTERS
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  • Home
  • Our Products
    • PRODUCTS - HOME
    • ADJ. AIR HANDLER STANDS
    • R/A STANDS - FIBERGLASS
    • R/A STANDS - STEEL SIDED
    • THE COFFIN BOX
    • R/A STANDS - ACCESSORIES
    • FIBERGLASS
    • AUXILIARY DRAIN PANS
    • HANGING KITS
    • TIE DOWN ANCHOR CLIPS
    • ALUMINUM CONDENSER STANDS
    • ALUMINUM WALL BRACE
    • HURRICANE AIR BRACE
    • FILTER HOUSINGS
    • FILTER RACKS
    • TAPERED PLENUMS
    • PACKAGE UNIT ADAPTERS
    • REFRIGERANT TANK RACKS
    • SECURITY CAGES
    • ROUND GRILLES
    • ROOF VENTS
    • WALL VENTS
    • LINE JACKS
    • DRYER VENTING PRODUCTS
    • ACCESS DOORS
  • Find a Distributor
  • CAREERS
  • Contact Us
  • TMS Flip Catalog

Fiberglass Duct Components

Triangles

Triangles

Triangles

Fiberglass triangle.
Find out more

Reducers

Triangles

Triangles

Assembled reducer box fiberglass
Find out more

Plenums

Triangles

Plenums

Assembled The Metal Shop Plenum.
Find out more
Save Time & Materials

Grab and Go

How long does it take a team member to measure, cut, groove, and assemble plenums, trunkline, triangles, and reducers? How much scrap material gets thrown away? 


Never Cut Again and pay for what you need. Let us cut, groove, and prepare your fiberglass products for installations. Grab and Go.

Triangles

Used for splitting the duct run in two directions.

Standard Features:

  • 1.5" R6 Anti-Microbial Duct Board
  • Available as Assembled or Knocked-Down
  • Assembled with UL 181 Foil Tape


So Fast. So Simple. 


Assembly of a knocked down triangle and the installation of a triangle.

Triangle Sizes

Assembled Fiberglass TriangleThe Metal Shop Triangle Fiberglass

Small

15" X 15" X 15" - 12" Tall 

Medium

15" X 15" X 15" - 15" Tall

Large

19" X 19" X 19" - 18" Tall

Extra Large

19" X 19" X 19" - 24" Tall

Product Flyer (pdf)

Download

K/D Assembly instructions (pdf)

Download

Product Submittal (pdf)

Download

Price List

Triangles

#500816 : Assembled - SM

$32.38

Sold in 6 Packs

#500818 : Assembled - MD

$36.76

Sold in 6 Packs

#500820 : Assembled - LG

$54.58

Sold in 6 Packs

#500822 : Assembled - XL

$69.98

Sold in 6 Packs

#500817 : Knocked-Down - SM

$24.68

18 per Box

#500819 : Knocked-Down - MD

$29.10

15 per Box

#500821 : Knocked-Down - LG

$44.34

10 per Box

#500823 : Knocked-Down - XL

$59.44

8 per Box

Reducers

Used for splitting the duct run in three directions.

Standard Features:

  • 1.5" R6 Anti-Microbial Duct Board
  • Available as Assembled or Knocked-Down
  • Assembled with UL 181 Foil Tape


Reducer Sizes

Fiberglass Cube Reducer Cube Reducer Box

Cube

12" X 12" - 12" X 12" - 12" Long

LG

18" X 16" - 16" X 14" - 14" Long

XL

20" X 20" - 20" X 16" - 17" Long

Big Mac

24" X 24" - 24" X 18" - 16" Long

Product Flyer (pdf)

Download

K/D Assembly Instructions (pdf)

Download

Product Submittal (pdf)

Download

Price List

Reducers

#500836 : Assembled - CUBE

$41.14

Sold in 6 Packs

#500840 : Assembled - LG

$47.92

Sold in 6 Packs

#500842 : Assembled - XL

$76.12

Sold in 6 Packs

#500844 : Assembled - BMAC

$85.84

Sold in 4 Packs

#500837 : Knocked-Down - CUBE

$31.54

10 per Box

#500841 : Knocked-Down - LG

$37.46

12 per Box

#500843 : Knocked-Down - XL

$61.56

8 per Box

#500845 : Knocked-Down - BMAC

$73.44

8 per Box

Knocked-Down Plenums

Our 4' Pre-Grooved Supply Plenums save time and eliminate scrap on your install.

Standard Features:

  • 1.5" R6 Anti-Microbial Duct Board
  • Pre-Grooved precisely to fit the supply outlet of the AHU.
  • Includes End Cap, UL Tape & Squeegee
  • Sized to fit your AHU Supply Collar

Easy to store and assemble

Convenient

Knocked down plenums, triangles, and reducers save space and are easy to transport. Knocked down plenums come individually bagged with UL tape and a squeegee.

Triangles and Reducers are available assembled or knocked down and come individually bagged.

Assembly Video

Plenum building

Product Flyer (pdf)

Download

OEM Sizes (pdf)

Download

Product Submittal (pdf)

Download

Price List

Plenums

All Plenums are 4' in Length; All Dimensions are I.D.

#500105 : 12.5" x 11"

$68.38

CARRIER / ICP

#500125 : 14.5" x 18"

$94.56

TRANE / AMERICAN STANDARD

#500127 : 15.5" x 17.5"

$96.04

TRANE / AMERICAN STANDARD

#500129 : 15.75" x 11"

$77.84

CARRIER / ICP

#500135 : 16" x 10.5"

$77.12

RHEEM / RUUD

#500141 : 16.5" x 11.5"

$81.48

GOODMAN / AMANA

#500145 : 18.5" x 18"

$106.20

TRANE / AMERICAN STANDARD

#500147 : 19.25" x 11"

$88.04

CARRIER / ICP

#500153 : 19.5" x 10.5"

$87.30

RHEEM / RUUD

#500158 : 20" x 11.5"

$91.66

GOODMAN / AMANA

#500159 : 20.5" x 17.5"

$110.56

TRANE / AMERICAN STANDARD

#500160 : 20.5" x 18"

$112.04

TRANE / AMERICAN STANDARD

#500164 : 22.75" x 11"

$98.22

CARRIER / ICP

#500170 : 23" x 10.5"

$97.48

RHEEM / RUUD

#500176 : 23.5" x 11.5"

$101.86

GOODMAN / AMANA

#500182 : 23.5" x 17.5"

$119.30

TRANE / AMERICAN STANDARD

Multifamily Project

Plenums & Trunk Line

Multifamily Project Plenums and Trunkline are available by the pallet. Let us quote your customers next big job. These are not individually bagged and do not come with the UL tape or squeegee. Need a cap, we have them available too, order what you need. Call for a job quote.

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The Metal Shop

2541 West Dunnellon Rd. Dunnellon Fl. 34433

1-800-441-2491

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