Documentation

Downloads & Catalogs

All product catalogs, submittal sheets, and technical documentation — organized by category

📄 Company

Castle Company Profile
Complete overview of Castle Engineering Industries
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Product Submittal Sheets
Ready-to-submit technical specifications
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🌬️ Air Outlets

★
Complete Air Outlets Catalog
All 17 air outlet products in one document
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Ball Jet Diffuser
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Ceiling Diffuser
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Disc Valve
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Door Grille
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Grilles & Registers
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HEPA Filter Box
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Flowbar & Frameless LSD
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Jet Nozzle
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Linear Bar Grill
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Linear Slot Diffuser
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Linear Steel Grille
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Perforated Grilles
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Round Ceiling Diffuser
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Sand Trap Louver
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Shutter Grille
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Swirl Diffuser
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Weather Resistant Grille
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Egg Crate Grille
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💨 Dampers

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Complete Dampers Catalog Soon
All 4 damper products
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Back Draft Dampers
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Inertia Dampers
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Pressure Relief Dampers
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Volume Control Dampers
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🔥 Fire & Smoke

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Complete Fire & Smoke Catalog Soon
All 4 fire & smoke control products
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Combined Fire & Smoke Damper
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Curtain Fire Dampers
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Smoke Motorized Dampers
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Smoke Vent Units
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🔧 Duct Works

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Complete Duct Works Catalog Soon
Galvanized, black steel & accessories
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Black Steel Ducts
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Duct Access Doors
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Duct Accessories
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Galvanized Steel Ducts
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🌀 Duct Soft

★
Complete Duct Soft Catalog Soon
Flexible ducts, connectors & gaskets
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Flexible Duct
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Flexible Duct Connector
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Flexible Round Duct
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Gasket
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🔊 Acoustics

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Complete Acoustics Catalog Soon
Sound & cross-talk attenuators
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Cross-Talk Attenuators
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Sound Attenuators
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⚡ VAV & Systems

Variable Air Volume VAV
VAV terminal units and controls
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Cable Tray System
Complete cable management systems
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Garbage Chute System
Multi-floor chute systems
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✅ Quality Documentation

Verified Test Reports
11 independent third-party test reports (view online)
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