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Soundproof Interior Wooden Doors

Reducing noise between rooms starts with the structural integrity of your door system. Our collection addresses this directly by pairing refined craftsmanship with robust engineering. The foundation of acoustic control in any home or commercial setting often lies in Solid Core Interior Wooden Doors, which use a dense, heavy-duty particleboard or composite filler to block sound transmission far better than hollow alternatives. Where life safety and quiet performance must overlap, our Fire Rated Interior Wooden Doors incorporate intumescent seals and mineral cores tested under UL and NFPA protocols, giving you licensed protection without sacrificing acoustic privacy. For interiors that demand a visible expression of quality along with sound isolation, Oak Interior Wooden Doors deliver the natural density of premium solid oak, whose tight grain adds a meaningful acoustic barrier while enriching the room with timeless character. When your project needs a balance of budget, aesthetics, and dependable noise control, our Veneer Interior Wooden Doors feature cross-laminated engineered cores and a flawless real-wood surface that rivals solid timber in both look and acoustic mass. Every design in this family incorporates intumescent edge seals and precision-machined locksets to eliminate the microscopic air gaps that leak sound.


Soundproof Interior Wooden Doors from our facility are built around a layered barrier technology that directly addresses the common weak points in residential and light-commercial acoustics. Each Soundproof Interior Wooden Door begins with a multi-density core composed of inter-bonded wood strands and acoustic damping sheets, encased in a high-pressure laminate or genuine wood veneer face. We install dual-fin silicone perimeter gaskets and an automatic drop-down bottom seal that engages when the door closes, creating a continuous airtight perimeter that fights flanking noise. The hinges are adjustable to maintain perfect alignment, and the frames ship with pre-applied acoustic caulking zones, so your installation crew can achieve on-site STC performance matching our lab tests. Our Soundproof Interior Wooden Doors reach STC 36 in standard spec and can be upgraded to STC 43 or STC 56 with our performance package that adds a heavier core and a second set of magnetic seals. Hardware prep is compatible with tubular and mortise locksets, and each Soundproof Interior Wooden Door can be ordered with a vision lite frame holding laminated acoustic glass for spaces that need light transfer without weakening the sound barrier. Finishes range from white Primed MDF ready for on-site paint to pre-finished oak, walnut, and ash with UV-cured topcoats that resist scuffs and moisture. Surface options also include high-wear laminates ideal for healthcare and education corridors where durability and hygiene join the noise-reduction checklist.

  • Core construction: Multi-layer composite with acoustic damping interlayer; high-density particleboard or solid oak core options
  • Sealing system: Continuous Q-Lon or silicone perimeter gaskets, automatic door bottom seal with adjustable plunger
  • STC ratings: Certified STC 32–STC 56, achieved with standard or acoustical upgrade packages
  • Fire performance: Available as 20-minute, 45-minute, or 60-minute fire-rated assemblies with acoustic properties intact
  • Frame compatibility: Supplied with matching acoustic frames, or retrofit into existing jambs using our sealing kit
  • Sustainable sourcing: Core materials certified by FSC or PEFC; low-VOC adhesives and paints
  • Hardware: Pre-machined for standard ANSI/BHMA cylindrical locks, mortise locks, concealed closers, and electric strikes
ParameterDetail
Door slab thickness1-3/4" (44 mm) standard; optional 2-1/4" (57 mm) for STC ≥ 43
Overall dimensionsWidths 24" to 42", heights 80" to 96"; custom sizes available
Core material choicesAcoustic composite, solid oak, fire-resistant mineral board
Surface finishesNatural oak / walnut / ash veneer, laminate, primed hardboard, PVC foil
Edge designSquare closed edge, beveled, flush, or integrated intumescent strip
Acoustic test standardASTM E90 / ISO 10140-2, with third-party lab reports
Fire rating (optional)UL 10C / CAN4-S104, 20/45/60 minutes, with acoustic seal integrity
Threshold optionsFlush aluminum, raised saddle, or ADA-compliant acoustic ramp
Warranty10-year structural, 5-year finish on pre-finished veneers

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