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Deal of the Day
SHOP PRODUCTS
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About Castle Building Group
Deal of the Day
SHOP PRODUCTS
Free Magazine
About Castle Building Group
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DUCT WORK
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Below 10 (7)
10 to 13.99 (27)
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19 and Above (40)
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IMPERIAL (85)
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DUCT PIPE
DUCT ACCESSORIES
REGISTER BOOTS / STACKS
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Imperial GV0752 Round Damper with Key, 6 in Dia, Steel
Our Price:
$5.39
Imperial GV1587 Connector Union, 3 in Union, Galvanized Steel
Our Price:
$7.99
Imperial GV0957-B Duct Take-Off, 4 in Duct, 30 ga Gauge, Steel
Our Price:
$7.99
Use to adjust and balance airflow in individual runs of round pipe.
Imperial Connector Union, 3 in Union, Galvanized Steel, 3 in L x 3 in W x 4 in H Dimensions
Used for transition from air plenums or rectangular duct to round pipe or insulated duct. 30 ga.
Imperial GV2062 Duct Elbow, 6 in Connection, 30 ga Gauge, Galvanized
Our Price:
$8.69
Imperial GV0651 End Boot, 4 in L, 10 in W, 4 in H, 90 deg Angle, Steel, Galvanized
Our Price:
$8.99
Imperial GV0685-B Universal Boot, 4 in L, 10 in W, 4 in H, Steel, Galvanized
Our Price:
$8.99
Imperial Duct Elbow, 6 in Connection, 30 ga, Oval Flat Duct, Galvanized, Dimensions: 12-3/8 in H x 2-3/4 in W
Used for right-angle center-end transition from round pipe or insulated flexible duct to a register or grille.
Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30 ga.
Imperial GV0692-A Universal Boot, 3-1/4 in L, 10 in W, 5 in H, Steel, Galvanized
Our Price:
$9.99
Imperial GV1588-A Connector Union, 4 in Union, Galvanized Steel
Our Price:
$10.99
Imperial GV0968 Duct Take-Off, 4 in Duct, 30 Gauge, Steel
Our Price:
$10.99
Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30 ga.
Imperial Connector Union, 4 in Union, Galvanized Steel, 4 in L x 4 in W x 4 in H Dimensions
Used to tap into the top of trunk duct. Forms a transition from rectangular to round branch duct. Used when branch ducts are to be located within a joist space. 30 ga.
Imperial GV0969-A Duct Take-Off, 5 in Duct, 30 Gauge, Steel
Our Price:
$10.99
Imperial GV0959-C Duct Take-Off, 6 in Duct, 30 ga Gauge, Steel
Our Price:
$10.99
Imperial GV0970-C Duct Take-Off, 6 in Duct, 30 Gauge, Steel
Our Price:
$10.99
Used to tap into the top of trunk duct. Forms a transition from rectangular to round branch duct. Used when branch ducts are to be located within a joist space. 30 ga.
Used for transition from air plenums or rectangular duct to round pipe or insulated duct. 30 ga.
Used to tap into the top of trunk duct. Forms a transition from rectangular to round branch duct. Used when branch ducts are to be located within a joist space. 30 ga.
Imperial GV0622 Angle Boot, 3 in L, 10 in W, 6 in H, 90 deg Angle, Steel, Galvanized
Our Price:
$10.99
Imperial GV0645 Ceiling Boot, 4 in L, 10 in W, 5 in H, Steel, Galvanized
Our Price:
$10.99
Imperial GV0694-A Universal Boot, 4 in L, 10 in W, 5 in H, Steel, Galvanized
Our Price:
$10.99
Imperial Angle Boot, 90 deg, Steel, Galvanized, 3 in L, 10 in W, 6 in H
Imperial Ceiling Boot, Steel, Galvanized, 4 in L, 10 in W, 5 in H
Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30 ga.
Imperial GV0656 End Boot, 3 in L, 10 in W, 5 in H, 90 deg Angle, Steel, Galvanized
Our Price:
$10.99
Imperial GV0682 Universal Boot, 3 in L, 10 in W, 4 in H, Steel, Galvanized
Our Price:
$10.99
Imperial GV0691 Universal Boot, 3 in L, 10 in W, 5 in H, Steel, Galvanized
Our Price:
$10.99
Used for right-angle center-end transition from round pipe or insulated flexible duct to a register or grille.
Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30 ga.
Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30 ga.
Imperial GV1589-A Connector Union, 5 in Union, Galvanized Steel
Our Price:
$11.99
Imperial GV2078 Oval Vertical Elbow, 30 ga Gauge, Steel, Galvanized
Our Price:
$11.99
Imperial GV0604 Angle Boot, 3 in L, 10 in W, 4 in H, 90 deg Angle, Steel, Galvanized
Our Price:
$11.99
Imperial Connector Union, 5 in Union, Galvanized Steel, 5 in L x 5 in W x 4 in H Dimensions
Imperial Oval Vertical Elbow, Material Gauge: 30 ga, Steel, Galvanized, Dimensions: 6 in Dia
Used for right-angle transition from round pipe or insulated flexible duct to a register or grille.
Imperial GV0701 Universal Boot, 3 in L, 10 in W, 6 in H, Steel, Galvanized
Our Price:
$11.99
Imperial CS-0510-A Air Duct, 10 ft L, Vinyl, Gray
Our Price:
$12.99
Imperial GV0732 End Cap, 3 in Dia, Galvanized Steel
Our Price:
$12.99
Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30 ga.
Imperial Air Duct, Air Flow Rate: 4000 fpm, Temperature Rating: -20 to 160 deg F, Insulated/Non Insulated: Non-Insulated, Vinyl, Gray, 5 in Dia Inside, 10 ft L
Imperial End Cap, 30 ga, Galvanized Steel, 3 in Dia
Imperial GV1071-A Connector Union, 6 in Union, Round Duct, Galvanized Steel
Our Price:
$12.99
Imperial GV0614 Angle Boot, 4 in L, 10 in W, 5 in H, Steel, Galvanized
Our Price:
$12.99
Imperial GV0665 End Boot, 90 deg, Steel, Galvanized
Our Price:
$12.99
Imperial Connector Union, 6 in Union, Round Duct, Galvanized Steel
Used for right-angle transition from round pipe or insulated flexible duct to a register or grille.
Imperial End Boot, 90 deg, Steel, Galvanized, 3-1/4 in L, 10 in W, 6 in H
Imperial GV2098 Round to Oval Boot, 90 deg, Galvanized
Our Price:
$12.99
Imperial GV0606 Angle Boot, 4 in L, 10 in W, 4 in H, 90 deg Angle, Steel, Galvanized
Our Price:
$12.99
Imperial GV0658 End Boot, 4 in L, 10 in W, 5 in H, 90 deg Angle, Steel, Galvanized
Our Price:
$12.99
Imperial Round to Oval Boot, 90 deg, 30 ga, Galvanized, 6 in L, 6 in Dia
Used for right-angle transition from round pipe or insulated flexible duct to a register or grille.
Used for right-angle center-end transition from round pipe or insulated flexible duct to a register or grille.
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