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Technical Bulletins

VT Technical Bulletins contain the latest product and customer service updates and are available for our VT Architectural Wood Door product offering. As VT is constantly expanding and improving our processes, we keep these technical bulletins updated with the most current information. Please refer to the Technical Bulletins available in the chart below.

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3MM HDF in Lieu of 1/16" Hardwood Crossband in HPDL & Wood Veneer Doors
5-Ply Hot Press Construction
20-Minute Double Egress Smoke Barrier Labels
20-Minute Through 90-Minute Fire Doors with Protection Plates Up to 48"

Adhesives: Type I VS. Type II
Automatic Door Bottoms (Drop Seals)
Barber Pole
Bullet-Resistant Doors
Common Glass Types
Concealed Stops & Holders Approved for 20-,45-, 60-, and 90- Minute Positive Pressure Fire Doors
DefendED™ - Attack Resistant Glass
Determining Top or Bottom Rail Thickness
Dimensional Changes in Wood Doors Due to Changes in Relative Humidity
Door Swings
Doors Used For Smoke Control
Doors With Top & Bottom Pivot Only
Door Weights
Dutch Doors
Electric Strikes
Elimination of Intumescent in 20-Minute Single Swing Positive Pressure Fire Doors
EPT Device Approval on 20-Minute Through 90-Minute Fire Doors
Factory Finish Samples
Finishing Instructions for Factory Primed VT Wood Doors
Fire-Rated Doors with a Mullion
Flame Spread Classifications and Smoke Development Ratings
Flush Bolts
Foam Core Doors
FSC COC Number Update for Flush Wood Heritage Collection Doors
Gloss and Semi-Gloss Laminates
High Pressure Decorative Laminate (HPDL) Door Edge and Lite Moulding Options
HPDL Faced Wood Doors Vs. LPDL Faced Doors

HPDL Open Door to Unlimited Design Possibilities
Interpreting Specifications
Jobsite Recommendations for Matching VT Water-Based Stains
Laminated or Wood Taped Top and Bottom Rails
Lead Door Guidelines
Lite/Lock Cutout Margins on Flush Doors
Lumber Used on Palladium Doors
Matching Faces Between a Panel
Matching Faces Within a Panel
Metal Edge Guards
Metal End Caps for 5-Ply Doors
Mini-Blind Glass Units
Natural Veneer and Variations
NGP 225S Automatic Door Bottom End Caps
Opaque (Painted) Finish Doors
Packaging of Individual Doors
Paintable Surface (Primed) Finish Doors - Premium Grade Vs. Custom Grade
Pairs with Different Core Types
Physical Performance of Palladium Doors
Physical Properties of Stile & Rail Material in VT Flush Wood Veneer Doors and HPDL Doors
Puttying Nail Holes
Radius Machining of HPDL Faces
Reveals
Rift Sliced Red and White Oak Veneer In Lieu of Quarter Sliced
Sealing of Top & Bottom
Splined Doors
Split Finish/Split Face
Structural Composite Lumber (SCL) is Preferred Core Material
STC Frames
Surface Applied (Plant On) Mouldings
Temperature Rise Ratings
Transoms
Understanding VT File Numbers & Shop Order Numbers
Viewers in Labeled Doors
VT Doors Meet Acceptable GreenGuard & GreenGuard Gold Indoor Air Quality Criteria
VT Industries AWI Quality Certification Program (QCP)
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