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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.

#C101: Change Order Policy

#P165: Finishing Instructions for Factory Primed VT Wood Doors

#C103: HPDL Open Door to Unlimited Design Possibilities

#P166: Full Lite Particle Board Core Doors

#P104: Wood Glazing Stops, Surface Applied Mouldings, and Louvers

#P167: Adhesives: Type I VS. Type II

#P105: VT Policy of Handling of Claims

#P170: STC Frames

#P106: Opaque Finished Doors - Premium Grade Vs. Custom Grade

#P171: NPG 225S Automatic Door Bottom End Caps

#C106: Gloss and Semi-Gloss Laminates

#P232: Drop Seals

#P109: Jobsite Recommendations for Matching VT Water-Based Stains

#P238: Applied Moulding

#C109: Understanding VT File Numbers & Shop Order Numbers

#P246: Wood Astragals for Pair Doors

#C110: Dimensional Changes in Wood Doors Due to Changes in Relative Humidity

#P253: Bullet-Resistant Doors

#C111: Factory Finish Samples

#P256: Lite/Lock Cutout Margins on Flush Doors

#C115: Interpreting Specifications

#P262: Common Glass Types

#P117: Sealing of Top & Bottom #P264: Reveals
#P118: 20-Minute Through 90-Minute Fire Doors with Protection Up to 48"

#P274: Puttying Nail Holes

#C118: Door Swings

#P317: Dutch Doors

#C119: Physical Properties of Stile & Rail Material in VT Flush Wood Veneer Doors and HPDL Doors

#P321: Use of Fusible Link Louvers In 20-Minute Labeled Doors

#P121: Structural Composite Lumber (SCL) is Preferred Core Material

#P328: Pairs with Different Core Types

#C121: VT 5-Ply Hot Press Construction

#P353: Fire-Rated Doors with a Mullion

#C122: Slat Louvers in Doors

#P393: Splined Doors

#C123: Packaging of Individual Doors

#P398: Optional Metal Edges on Labeled Doors

#C124: VT Industries AWI Quality Certification Program (QCP) #P399: Flush Bolts
#C126: FSC COC Number Update for Flush Wood Heritage Collection Doors

#P410: Mini-Blind Glass Units

#C127: Flame Spread Classifications and Smoke Development Ratings

#P413: Transoms

#P128: 3MM HDF in Lieu of 1/16" Hardwood Crossband in HPDL & Wood Veneer Doors

 #P420: WDMA Performance Duty Levels

#C128: Setup/Change/Cancellation Charges

#P440: Split Finish/Split Face

#P129: High Pressure Decorative Laminate (HPDL) Door Edge and Lite Moulding Options

#P450: Viewers in Labeled Doors

#P134: EPT Device Approval on 20-Minute Through 90-Minute Fire Doors

#P451: Physical Performance of Palladium Doors

#P135: Raceway Location Approval in 20-Minute Through 90-Minute Positive Pressure Fire Doors Above the 40" Neutral Plan

#P455: Foam Core Doors

#P136: Concealed Vertical Rod/Cable Exit Device Approvals for 45-, 60-, and 90-Minute Positive Pressure Fire Doors

#P458: Electric Strikes

#P140: Unbalanced Door Construction Regarding Automatic Flushbolt Preps

#P459: Concealed Vertical Rods - Special Instructions

#P142: Determining Top or Bottom Rail Thickness

#P462: Doors Used for Smoke Control

#P143: HPDL Faced Wood Doors Vs. LPDL Faced Doors

#P463: Radius Machining of HPDL Faces

#P146: Temperature Fire Ratings

 #P464: Core Options for 1-3/8" Pivot Only

#P148: Laminated or Wood Taped Top and Bottom Rails

#P465: Doors with Top & Bottom Pivot Only

#P149: Standard Vision Panel #P466: Natural Face Veneers
#P151: Concealed Stops & Holders Approved for 20-,45-, 60-, and 90- Minute Positive Pressure Fire Doors #P467: Barber Pole
#P152: Door Weights

#P468: Lead Door Guidelines

#P155: Rift Sliced Red and White Oak Veneer In Lieu of Quarter Sliced

#P469: Lumber Used on Palladium Doors

#P156: Meeting Edge of Inactive Leaf in Pairs with Flush Bolts to Be Square

#P470: Matching Faces Between a Panel

#P157: VT Doors Meet Acceptable GreenGuard & GreenGuard Gold Indoor Air Quality Criteria #P471: Matching Faces Within a Panel
#P161: Elimination of Intumescent in 20-Minute Single Swing Positive Pressure Fire Doors

#P473: Metal End Caps for 5-Ply Doors

#P163: Automatic Flush Bolt Protection #P474: Natural Variation in Veneers