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Technical Bulletins

VT Technical Bulletins provide the most up-to-date technical information for our Architectural Wood Door products. As we continue to grow and enhance our processes, we regularly update these bulletins to ensure you have access to the latest product details and requirements. Please refer to the chart below for the most current versions.

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3-Ply Vs. 5-Ply On HPDL Doors
20-Minute Double Egress Smoke Barrier Labels
20-Minute Through 90-Minute Fire Doors with Protection Plates Up to 48"
Acoustical (STC) Frames
Automatic Door Bottoms (Drop Seals)
AWI Quality Certification (QCP)
Barber Pole
Bullet Resistance
Common Glass Types
Concealed Stops & Holders Approved for 20-,45-, 60-, and 90- Minute Positive Pressure Fire Doors
Concealed Vertical Rod Channel Exit Devices
Core Press Construction
DefendED™ - Attack Resistant Glass
Determining Top or Bottom Rail Blocking Dimensions
Door Handing
Doors Used For Smoke Control
Door Weights
Dutch Doors
Electric & Open Back Strikes
Elimination of Intumescent in 20-Minute Single Swing Positive Pressure Fire Doors
EPT Device Approval on 20-Minute Through 90-Minute Fire Doors
Exterior Doors
Factory Finish Samples
Flame Spread Classifications and Smoke Development Ratings
Flush Bolts
Guidelines for Field Finishing

High Pressure Decorative Laminate (HPDL) and Palladium Edge and Wood Accessory Options
Hinges & Pivots
Interpreting Specifications
Labeling of Accessories
Lead Lined Doors
Lite/Lock Cutout Margins on Flush Doors
Machining Elevations
Metal Edge Guards
Mini-Blind Glass Units
Natural Veneer and Variations
NGP 225S Automatic Door Bottom End Caps
Opaque (Painted) Finish Doors
Paintable Surface (Primed) Finish Doors - Premium Grade Vs. Custom Grade
Pairs with Different Core Types
Points of Latching for Fire Rated Doors
Quarter Vs. Rift Sliced Red and White Oak
Raceways & Raceway Wires
Reveals
Splined Doors
Split Finish/Split Face
Structural Composite Lumber (SCL) is Preferred Core Material
Surface Applied (Plant On) Mouldings
Temperature Rise Ratings
Top & Bottom Rail Edge Finish Options
Transoms
Type I and Type II Adhesives
Veneer Face Match Assembly
VT Policy of Handling of Claims
VT Standard Accessories
VT Standard Louvers With Profile Drawings
WDMA Performance Duty Levels
Wood Astragals for Pair Doors
Wood Slat Louver Orientation