Custom Interior Doors · Singapore

Bedroom, Bathroom & Glass Door Systems
Designed for Singapore Homes.

From waterproof bathroom doors and soundproof bedroom doors to triple sliding glass kitchen partitions and space-saving ghost door systems — CASAWAVE designs, supplies and installs custom interior doors across HDB, condo and landed properties in Singapore.

Bedroom Doors Bathroom & Toilet Doors Triple Sliding Glass Ghost Door Systems Pocket Doors Bifold & Pivot Aluminium-Wood Flush
Explore Door Systems
Common Door Problems in Singapore

Why Standard Doors Underperform in Singapore's Climate

Singapore's humidity averages above 80% year-round, and interior spaces — particularly bathrooms, kitchens and enclosed bedrooms — put significant stress on conventional door materials and hardware over time.

Common Problems

  • Bathroom and toilet doors that warp, swell or rot from prolonged moisture exposure
  • Hollow-core bedroom doors that transmit noise and provide no real privacy
  • Standard swing doors that eat into usable floor area in compact HDB layouts
  • Wet kitchen partition systems that leak cooking fumes and grease into living areas
  • Cheap sliding tracks that jam, jump rails or require constant adjustment over time
  • Visible gaps between door leaf and frame from frame protrusion or misalignment
  • Timber doors that attract termites — a persistent concern in tropical climates

How CASAWAVE Addresses Each Point

  • Aluminium-core door leaf — 100% waterproof, no warping, no rot, termite-proof
  • 45mm solid door construction with acoustic perimeter sealing for real noise reduction
  • Ghost, pocket and bifold systems that eliminate swing clearance requirements
  • Triple sliding glass partitions on OPK synchronised tracks that seal the wet kitchen zone properly
  • Premium OPK and concealed roller systems engineered for long-term smooth operation
  • Flush coplanar door framing — door face sits level with the wall, eliminating visible frame gaps
  • Zero organic material in aluminium door cores — no food source for termites
Door System Types

Interior Door Systems for Every Space and Application

Each door system solves a different spatial or performance challenge. The right choice depends on the room, the opening dimensions, the available wall space and what the door needs to do.

Triple sliding glass door for HDB wet kitchen Singapore
Kitchen / Wet Zone

Triple Sliding Glass Doors

Wet Kitchen · Open-Plan Living · Dining Partition

Three glass panels on a synchronised OPK track system — pulling one panel moves all three simultaneously, opening two-thirds of the entryway. The most effective solution for enclosing HDB and condo wet kitchens without blocking light or shrinking the visual footprint of the space.

OPK (欧派克) Synchronised Track · Tempered Glass Panels
Aluminium wood flush coplanar door bedroom Singapore
Bedroom / Bathroom

Aluminium-Wood Flush Coplanar Doors

Bedroom · Bathroom · Toilet · Study

An aluminium extrusion core with eco-board surface veneer — waterproof, termite-resistant and 45mm solid throughout. The door face aligns flush with the corridor wall, creating a seamless wall plane with no visible frame protrusion. Suitable for bedroom, bathroom and toilet applications across HDB and condo units.

Concealed 3D Italian Hinges · Magnetic Silent Latch · Acoustic Sealing
Ghost sliding door concealed track system Singapore
Narrow Corridors / Bedrooms

Ghost Sliding Door System

Bedroom · Corridor · Walk-in Wardrobe

A sliding door on a fully concealed overhead track with no floor rail. The mechanism is hidden above the door, leaving the floor clear and the wall surface uninterrupted when the door is open. Well-suited for HDB bedroom corridors where a swing door would obstruct movement or furniture placement.

Heavy-Duty Concealed Roller System · Soft-Close Buffer
Pocket door sliding into wall cavity Singapore HDB bathroom
Space Saving

Pocket Doors

Compact Bathroom · Walk-in Wardrobe · Study Room

The door slides completely into a built-in wall cavity, disappearing from view when fully open. This eliminates all swing clearance requirements and maximises usable floor space — particularly valuable in compact HDB bathrooms and toilets where every square foot matters. Requires wall cavity construction during renovation.

Integrated Wall Cavity Cassette · Soft-Close Roller Track
Slim bifold glass door balcony study Singapore
Balcony / Study

Slim-Frame Bifold Glass Doors

Balcony Access · Study Room · Living Partition

Ultra-slim aluminium frames that fold neatly to the side, opening the full width of the aperture. Suitable for balcony-to-living transitions, study room partitions and any situation where a clear, unobstructed opening is needed when the door is retracted. The slim profile keeps the focus on the glass rather than the frame.

Top-Hung Smooth-Glide Bearings · Slim Aluminium Profile
Pivot door statement entrance Singapore landed condo
Statement Entrance

Pivot Doors

Landed Home Entrance · Master Suite · Feature Doorway

Rotates on a central or offset axis using a floor-integrated hydraulic pivot system, allowing oversized door panels that would be impractical on standard hinges. Creates a strong architectural gesture at entrances to landed homes, large condominiums or master suites where a conventional hinged door would appear undersized.

Floor-Integrated Hydraulic Pivot System · Heavy-Duty Bearing
Solutions by Room

Interior Door Solutions by Space

Different rooms have different requirements. The right door system depends on the specific constraints of each space — available swing clearance, moisture exposure, acoustic needs and visual continuity with surrounding joinery.

Bedroom Door Singapore

Master Bedroom & Common Bedrooms

The primary concern for bedroom doors in Singapore is sound privacy, not just visual privacy. Standard hollow-core HDB bedroom doors transmit noise with minimal resistance. A 45mm solid aluminium-core flush door with acoustic perimeter sealing provides meaningful sound reduction. For bedrooms facing narrow corridors, ghost or pocket sliding systems eliminate swing conflicts with furniture or opposing doors.

Recommended: Flush Coplanar Door · Ghost Sliding System
Bathroom & Toilet Door Singapore

Bathroom, Toilet & Wet Areas

Bathroom and toilet doors in Singapore are exposed to daily moisture, steam and occasional water splashing — conditions that cause timber doors to warp, swell and eventually rot. An aluminium-core door eliminates these failure modes entirely. For compact HDB bathrooms where a swing door requires too much clearance, a pocket door sliding into the wall cavity is the most space-efficient and durable solution.

Recommended: Waterproof Aluminium Flush Door · Pocket Door
Kitchen Glass Partition Singapore

Wet Kitchen Enclosure & Glass Partition

Enclosing a wet kitchen from the living area is one of the most common renovation decisions in Singapore. A triple sliding glass door on an OPK synchronised track system allows the kitchen to remain fully visible and connected to the living space when open, while forming a complete enclosure when closed — keeping cooking fumes, steam and grease contained without blocking natural light.

Recommended: Triple Sliding Glass Door System
Walk-in Wardrobe Door

Walk-in Wardrobe & Dressing Area

Walk-in wardrobe entrances benefit from sliding systems that do not intrude into the dressing floor area. A ghost sliding door on a concealed track keeps the opening clear and the aesthetic consistent with the wardrobe interior joinery. Where the wardrobe opening is wider, a bifold system can open the full aperture for maximum visibility into the storage space. Read more about our wardrobe systems here.

Recommended: Ghost Sliding Door · Slim Bifold System
Study & Home Office Door

Study Room & Home Office

Study rooms benefit from a combination of visual connection to the rest of the home and acoustic separation when focus is needed. A glass panel option — whether as a full glass door or glass insert within an aluminium frame — allows natural light to pass between spaces while the door is closed. A magnetic latch and solid construction help reduce noise breakthrough significantly compared to a hollow-core panel.

Recommended: Flush Door with Glass Insert · Bifold Glass
Statement Entrance

Entrance & Feature Doorway

For landed homes or larger condo units where the entrance or a key interior threshold deserves a stronger architectural presence, a pivot door creates a visual statement that a standard hinged door cannot match. The pivot mechanism allows for taller and wider door panels, and the movement itself — rotating on a floor-integrated axis — is distinctive in a way that sets a clear tone for the interior beyond it.

Recommended: Pivot Door System
Materials, Hardware & Detailing

What Goes Into a Well-Specified Interior Door

Door quality is not only about the surface you can see. The door leaf construction, frame system, hardware specification and edge detailing all affect how the door performs, feels and lasts. See our full materials guide for context on board and material directions.

Door Leaf & Frame

The door leaf is what you see and touch. The frame is what holds alignment over years of use. Both need to be specified correctly for the application.

  • Aluminium extrusion core: The structural spine of CASAWAVE flush doors. Provides complete waterproofing, dimensional stability and a termite-proof substrate that will not change with humidity cycles.
  • Eco-board surface veneer: The door face is finished with melamine decorative board from established brands — consistent in colour, texture and long-term appearance. Surface options coordinate with surrounding cabinetry and joinery.
  • 45mm door thickness: Full solid construction throughout — no hollow sections, no resonance. This thickness is the primary driver of acoustic performance in bedroom and study applications.
  • Flush coplanar framing: The door face and corridor wall sit on the same plane. No visible frame protrusion, no shadow gap, no visible hinge barrel — the door becomes part of the wall surface when closed.
  • Tempered glass panels: Used in triple sliding, bifold and glass-insert door systems. Tempered for safety — if broken, it fragments into small blunt pieces rather than sharp shards.

Hardware & Mechanism

The hardware determines daily experience — how the door feels to operate, whether it closes quietly, and how long it remains in proper adjustment.

  • Concealed 3D adjustable hinges: Allow post-installation height, depth and side-to-side adjustment without removing the door. Invisible when the door is closed — no exposed hinge barrel on the face of the frame.
  • Magnetic silent latch: The latch only engages when the door is fully aligned with the frame, preventing the mechanical click of a conventional sprung latch. Closes quietly every time.
  • OPK (欧派克) sliding track system: Used for triple sliding and synchronised glass panel systems. Engineered for smooth, consistent operation of heavy glass panels — one-finger operation and anti-derailment construction for family environments.
  • Concealed overhead roller system: Used for ghost sliding doors. The entire mechanism sits above the door, leaving the floor clear and the track hidden from view at normal eye level.
  • Acoustic perimeter sealing: Rubber or brush-seal strips around the door perimeter that compress when the door is closed, blocking light and reducing sound transmission. Critical for bedroom and study applications.
  • Hydraulic floor pivot: Used for pivot door systems. Allows smooth, controlled rotation of oversized door panels — engineered for the weight of large aluminium-and-glass or solid wood door constructions.
45mm solid door construction with acoustic sealing for soundproof bedroom door Singapore
Soundproof Bedroom Door

45mm Solid Construction & Magnetic Silent Latch

Standard HDB bedroom doors are hollow-core — they transmit sound with almost no resistance and close with a loud mechanical click. Both issues are solved with the right specification.

  • 45mm solid door leaf: No hollow core, no resonance. Sound energy is absorbed by the mass of the door rather than passed straight through it.
  • Magnetic latch system: The latch only extends on contact with the strike plate when the door is fully in position — eliminating the mechanical click of a conventional sprung latch.
  • Perimeter acoustic sealing: Brush or rubber seals compress against the frame on all four sides, blocking both light and sound transmission at the door perimeter.
OPK synchronised sliding track system for triple glass partition Singapore
OPK Synchronised Track

OPK Sliding Track for Glass Partition Systems

A glass partition is only as functional as its track system. For triple sliding and folding glass door applications, CASAWAVE uses OPK (欧派克) premium track hardware — a category standard for synchronised panel systems in residential use.

  • Single-touch panel movement: Heavy tempered glass panels move with minimal effort — the track and roller system absorbs the weight, not the user.
  • Synchronised panel travel: In a triple sliding system, pulling one panel triggers coordinated movement of all three — no manual adjustment of individual panels required.
  • Anti-derailment construction: Panels are mechanically retained in the track — they cannot jump the rail even if bumped or pushed off-axis during everyday use.
Installation & Execution

Why Door Installation Is Not a Simple Task

A well-specified door system performs well only when installed correctly. The tolerances involved — particularly for flush coplanar, pocket and ghost door systems — are tight, and the variables in Singapore homes are many.

01

Accurate Opening Measurement

Door openings in Singapore HDB and condo units are rarely perfectly square. Height, width and diagonal dimensions all need to be taken before fabrication — any error transfers directly into the final fit.

02

Floor Level Assessment

Sliding door systems, pocket doors and ghost doors require a consistent floor level across the full travel path. Uneven screed or tile work requires shimming or recess work before track installation.

03

Wall Plumb and Lintel Load

Overhead track systems and pivot doors impose loads on the wall or lintel above the opening. The structural condition of the wall needs to be assessed before installation — especially in older HDB units.

04

Frame Construction & Pocket Cavity

Pocket doors require a wall cavity of sufficient depth and width to receive the door leaf. This is typically constructed from timber or aluminium stud framing during the renovation phase — not something that can be added after walls are tiled.

05

Hardware Fitting Tolerances

Concealed hinges, magnetic latches and 3D adjustment systems require precise alignment during installation. Incorrectly positioned hinge mortises or strike plates cannot be easily corrected after the frame is set.

06

Junction & Reveal Finishing

Where the door frame meets the wall, floor or ceiling, the finishing detail determines whether the installation looks professional or not. Clean flush reveals and properly finished junctions require both planning and execution skill on site.

07

Post-Installation Adjustment

Doors, particularly sliding systems, typically need fine adjustment after initial installation as the building settles and panels find their equilibrium position. CASAWAVE includes post-installation calibration as part of the standard delivery process.

08

Coordination with Other Trades

Door installation must be sequenced correctly with flooring, plastering and painting. Installing a flush coplanar door after the walls are painted risks surface damage; installing before flooring is complete affects the bottom reveal gap.

Door systems are not a buy-and-install commodity. The result depends on measurement, fabrication, hardware selection, site conditions and finishing — all of which require coordination. CASAWAVE manages this process end-to-end, from initial site measurement through to final on-site adjustment.

Talk to CASAWAVE About Your Door Project
Interior Door FAQ

Common Questions About Interior Doors in Singapore

Questions homeowners commonly ask when evaluating interior door options for HDB, condo and landed properties in Singapore.

What types of interior doors does CASAWAVE offer in Singapore?

CASAWAVE offers aluminium-wood flush coplanar doors, triple sliding glass partitions, ghost sliding doors, pocket doors, slim-frame bifold glass doors and pivot door systems. Each system is designed for a specific spatial and performance requirement — from compact HDB bathrooms to open-plan living areas, wet kitchens and statement entrances in landed homes.

What is the best bathroom or toilet door for Singapore's humid climate?

For Singapore bathrooms and toilets, an aluminium-core flush door or a pocket door with aluminium framing is the most practical long-term choice. Unlike timber, aluminium does not absorb moisture, warp or rot. The surface veneer can be specified to match surrounding cabinetry. For compact bathrooms where a swing door requires too much clearance, a pocket door that slides into the wall cavity is particularly effective — it eliminates the swing arc entirely and works well in small HDB toilet layouts. See also our bathroom vanity page for coordinated wet area design.

Are these interior doors soundproof? Which door is best for a bedroom?

CASAWAVE's aluminium-wood flush doors are 45mm thick with solid construction throughout — no hollow core — which significantly reduces sound transmission compared to standard hollow-core HDB bedroom doors. Combined with acoustic perimeter sealing strips and a magnetic latch system, they provide meaningful noise reduction for bedrooms and home offices. They will not create a fully soundproofed room, but they perform substantially better than the typical alternative found in BTO and resale HDB units.

What is a ghost door and is it suitable for HDB flats?

A ghost door (幽灵门) is a sliding door with a completely concealed overhead track and no floor rail. The mechanism is hidden above the door, so the floor is completely clear and the track is not visible at eye level. It is well-suited for HDB bedroom corridors and living spaces where floor rails are impractical and a clean, minimal aesthetic is preferred. Installation requires adequate wall length alongside the door opening for the door to slide fully clear of the aperture.

What is a triple sliding glass door and where is it typically used?

A triple sliding glass door uses three glass panels on a synchronised OPK track system, where one panel movement triggers coordinated movement of all three. It is most commonly used to enclose wet kitchens or create a glass partition between cooking and living zones in HDB and condo units. When fully open, the system occupies only one-third of the opening width — keeping the remaining two-thirds clear. When closed, it forms a complete enclosure that contains cooking fumes and grease. It is also used for dining room partitions and study area enclosures.

What is the difference between a pocket door and a ghost door?

A pocket door slides completely into a built-in wall cavity when open — it physically disappears into the wall structure. A ghost door slides along the face of the wall on a concealed overhead track — it does not disappear into the wall, but the mechanism is hidden, giving a floating appearance. Pocket doors require a cavity wall to be built during the renovation phase and need more structural planning. Ghost doors are generally easier to incorporate into existing layouts, provided there is adequate clear wall space beside the opening.

Do interior doors need professional installation?

Yes — particularly for flush coplanar, pocket, ghost and pivot door systems where alignment tolerances are tight. Interior door performance depends on accurate opening dimensions, floor level, wall plumb, frame construction and precise hardware fitting. An incorrectly measured or installed door will not close squarely, the latch will not engage cleanly, and sliding systems will bind or tilt over time. CASAWAVE manages the full process from site measurement through to post-installation calibration.

Can these doors be coordinated with my kitchen cabinets or wardrobe design?

Yes. Door surface veneers can be specified to match or complement surrounding joinery — using the same board brand, colour direction or surface texture as adjacent kitchen cabinets or wardrobe panels. This creates visual continuity across the space rather than treating the door as an isolated element. See our kitchen systems and wardrobe systems pages for context on our full joinery range.

Visit Our Showroom to See Door Systems in Person.

Compare aluminium-wood flush doors, triple sliding glass partitions, ghost door mechanisms and hardware finishes at the CASAWAVE showroom in Woodlands — or send us your floor plan to discuss which door system suits each space.

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