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Roof Curb, 8 In High

  • Item# 4HX40
  • Mfr. Model# 4HX40
  • Catalog Page# 3710
  • UNSPSC# 30151609
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  • Shipping Weight 40.0 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

This prefabricated, straight-sided roof curb is leakproof and provides compatibility between ventilator, curb, and roof opening on commercial and industrial buildings. Ideal for flat, nonisulated roof decks with think or rigid roofing material. For flat roof decks with up to 6" of insulation. Roll-formed with 18-ga. galvanized steel and 1 welded side for added strength.

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Technical Specs

  • Item Roof Curb
  • Type Fixed, Nonventilated
  • Curb Height (In.) 8
  • Curb Square O.D. (In.) 24-1/2
  • Curb Square I.D. (In.) 21-1/2
  • Damper Size (In.) 19 x 19
  • Flashing Flange (In.) 1-1/8
  • Mounting Flange Surface W (In.) 2
  • Construction 18 Gauge Galvanized Steel
  • Use w/Dayton Ventilators Having a 26" Square Base
  • For Use With UL 705 Applications
  • Includes Damper Tray
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