Products / Door Systems

Interior Door

Doors used between rooms and interior spaces where privacy, sound control, finish, and hardware function matter.

Doors used between rooms and interior spaces where privacy, sound control, finish, and hardware function matter. Selection should start with the opening condition, exposure, performance target, code requirements, manufacturer limits, installation details, and the documents needed for pricing or submittal review.

Configurations

How It Comes

Standard Interior Door

Baseline interior door configuration for common projects where availability, cost, and straightforward installation matter.

High-Performance Interior Door

Upgraded package focused on thermal performance, air and water resistance, durability, acoustics, security, or code-specific requirements.

Commercial / Heavy-Duty Interior Door

More robust configuration for larger sizes, higher use, stricter ratings, or institutional and commercial project conditions.

Custom Interior Door

Project-specific sizing, finish, hardware, glass, or detailing where a standard catalog unit does not fit the opening.

Applications

Where It's Used

Residential Projects

Interior Door products may be used in residential work when the configuration, finish, maintenance expectations, and performance ratings match the opening.

Commercial Projects

Commercial applications should verify traffic level, code requirements, tested assemblies, submittal documents, and serviceability.

Replacement and Retrofit

Retrofit work should confirm existing dimensions, substrate condition, surrounding finishes, and whether the product can be serviced after installation.

Custom or High-Exposure Conditions

Large sizes, severe weather, unusual geometry, coastal exposure, fire ratings, or acoustic goals usually require early manufacturer review.

Selection Guide

How To Specify It

Use these checkpoints when comparing quotes, reviewing submittals, or deciding whether this product type fits the opening.

Opening Fit

Confirm rough opening dimensions, wall or roof assembly, substrate condition, clearances, and whether the product can be installed without field compromises.

Performance Target

Compare tested ratings for the exact product series, not just the general product family. Climate, exposure, and code requirements should drive the target.

Hardware and Accessories

Screens, shades, locks, operators, closers, cylinders, handles, flashing kits, glass options, and replacement parts should be selected before ordering.

Service and Warranty

Review adjustment access, replacement part availability, finish warranty, glass warranty, and manufacturer installation requirements.

Frame Material

Wood Interior Door

Wood doors provide traditional profiles, warm appearance, and repairability for interior and premium exterior openings.

Advantages
  • Warm finish
  • Custom profiles
  • Repairable
Considerations
  • Needs maintenance outside
  • Can move with humidity
  • Exposure detailing matters

Frame Material

Fiberglass Interior Door

Fiberglass doors resist dents, rot, and weather while offering insulated cores and wood-grain options.

Advantages
  • Low maintenance
  • Weather resistant
  • Good insulation
Considerations
  • Field modification is limited
  • Premium lines cost more
  • Finish quality varies

Frame Material

Steel Interior Door

Steel doors are common for service, commercial, fire-rated, security, and value-focused exterior openings.

Advantages
  • Strong security potential
  • Cost effective
  • Fire-rated options
Considerations
  • Can dent
  • Rust protection matters
  • Thermal breaks vary

Frame Material

Aluminum Interior Door

Aluminum frames and panels suit commercial entrances, moving glass walls, and modern glazed door systems.

Advantages
  • Durable
  • Slim sightlines
  • Broad finish palette
Considerations
  • Thermal break is important
  • Higher cost
  • Hardware compatibility is system-specific

Frame Material

Composite Interior Door

Composite doors and frames use engineered materials for stability, moisture resistance, and lower maintenance.

Advantages
  • Stable
  • Moisture resistant
  • Good value in some systems
Considerations
  • Repair details vary
  • Limited premium profiles
  • Manufacturer-specific parts

Performance & Ratings

At a Glance

Primary specification focus
Panel material, operation, handing, threshold, lockset, hardware grade, glass safety, weather rating, accessibility, and rough opening support
Performance ratings
Air, water, structural, forced-entry, accessibility, energy, fire, smoke, and cycle ratings where applicable
Common standards
AAMA/WDMA/CSA 101/I.S.2/A440, NFRC 100/200, ASTM E283, ASTM E330, ASTM E331, safety glazing and local code requirements where applicable
Documentation to request
Product data, installation instructions, warranty, available test reports, finish options, accessory list, and shop drawings for custom or large conditions
Admin coordination
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Project Coordination

Details To Confirm Early

01

Confirm handing and clearances

Swing, slide, pocket, and overhead paths must be checked against walls, trim, furniture, screens, and hardware projection.

02

Coordinate threshold conditions

Water management, accessibility, floor transitions, and sill pans should be resolved before final door selection.

03

Match hardware to use level

Cycle rating, lock function, closer control, corrosion resistance, and serviceability matter more as traffic increases.

Product Questions

Common Questions

What should I compare first when selecting interior door?

Start with the opening condition and required function, then compare tested performance, size limits, materials, hardware, installation details, and warranty terms.

Can interior door be used in any opening?

No. Size, exposure, code requirements, structural support, hardware compatibility, and manufacturer limits determine whether it is appropriate.

What should be confirmed before ordering?

Confirm final dimensions, handing or operation, finish, glass or material makeup, accessories, installation method, lead time, and required submittal or test documentation.

Related Resources

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