PRODUCT CATALOG / TC-SERIES

Hollow Door Cores

Four core product lines covering standard, veneer, and exterior applications. All products manufactured to ANSI/WDMA I.S.1A and AWI quality standards.

TC-SHC

Standard Series

Standard Hollow Core Series

General-purpose hollow core for commercial and residential door manufacturing. Designed to be used with 1/4" shop sawn veneers on both sides of the core.

The TC-SHC is TorsionCore's baseline hollow door core — engineered for consistent cell geometry, tight dimensional tolerances, and reliable face bonding across high-volume production runs. Available in 1-3/4" and 2-1/4" nominal thicknesses.

Applications

  • Commercial offices
  • Residential interiors
  • Hospitality
  • Healthcare corridors
Full Spec Sheet

Technical Data

Nominal Thickness1-3/4" / 2-1/4"
Core Density3.2 – 3.4 lbs/ft³
Cell Size4" × 4" nominal
Cell Wall0.2485"
Face GluePVA Type II
Width Range18" – 48"
Height Range66" – 120"
CertificationANSI/WDMA I.S.1A
STC 32–38

TC-ACS

Acoustic Series

Flush Core Veneer Series

This core matrix is designed to be covered on both sides with hot pressed veneers.

The TC-ACS uses a tighter, denser cell matrix to reduce airborne sound transmission across the full frequency range. Tested to ASTM E90 with STC ratings from 32 to 38 depending on door assembly configuration. Ideal for offices, healthcare, and hospitality.

Applications

  • Private offices
  • Conference rooms
  • Healthcare patient rooms
  • Hotel guestrooms
Full Spec Sheet

Technical Data

Nominal Thickness1-3/4" / 2-1/4"
Core Density4.8 lbs/ft³
STC Rating32 – 38
OITC Rating28 – 33
Cell Size3/4" × 3/4"
Cell Wall0.080"
Test StandardASTM E90
CertificationANSI/WDMA I.S.1A
UL 20 MIN

TC-FRC-20

Fire-Rated Series

Fire-Rated Core — 20 Min

UL Listed 20-minute fire-rated hollow door core for code-compliant assemblies.

The TC-FRC-20 is tested and listed to UL 10C Positive Pressure standards for 20-minute fire-rated door assemblies. Reinforced cell matrix and Type I adhesive bonding ensure performance under positive pressure fire conditions. UL Listed file maintained.

Applications

  • Stairwells
  • Corridor separations
  • Tenant separations
  • Code-required openings
Full Spec Sheet

Technical Data

Fire Rating20 minutes
Test StandardUL 10C
UL ListingUL Listed
Nominal Thickness1-3/8" / 1-3/4"
Core Density5.1 lbs/ft³
Face GluePVA Type I
Max Door Size4' × 8'
Label RequiredYes — UL/cUL
UL 45 MIN

TC-FRC-45

Fire-Rated Series

Custom Core - Design Your Own

UL Listed 45-minute fire-rated hollow door core for higher-rated assemblies.

The TC-FRC-45 extends fire protection to 45 minutes under UL 10C Positive Pressure test conditions. High-density reinforced cell construction and Type I adhesive bonding. Suitable for 45-minute rated openings in commercial and institutional construction.

Applications

  • Exit corridors
  • Occupancy separations
  • Institutional facilities
  • High-rise construction
Full Spec Sheet

Technical Data

Fire Rating45 minutes
Test StandardUL 10C
UL ListingUL Listed
Nominal Thickness1-3/4" / 2-1/4"
Core Density5.8 lbs/ft³
Face GluePVA Type I
Max Door Size4' × 8'
Label RequiredYes — UL/cUL

PRODUCT COMPARISON

Side-by-side specifications

ParameterTC-SHCTC-ACSTC-FRC-20TC-FRC-45
Nominal Thickness1-3/8" / 1-3/4"1-3/4" / 2-1/4"1-3/8" / 1-3/4"1-3/4" / 2-1/4"
Core Density3.2 lbs/ft³4.8 lbs/ft³5.1 lbs/ft³5.8 lbs/ft³
STC Rating32–38
Fire Rating
UL ListedYesYes
ANSI/WDMAI.S.1AI.S.1AI.S.1AI.S.1A
Face GlueType IIType IIType IType I

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