Shutters for Garden Route homes
PVC indoor shutters and aluminium security shutters. Measured, built and installed by one local team across Knysna, George, Plettenberg Bay, Mossel Bay and Sedgefield.
What types of shutters does Custom Blinds install on the Garden Route?
- Custom Blinds installs two shutter types across the Garden Route: PVC indoor shutters (Custom Lifestyle Shutters™) for privacy, light control and humidity resistance, and aluminium security shutters that replace burglar bars with a louvred panel system providing both protection and ventilation.
- PVC shutters are built from extruded polyvinyl chloride with aluminium reinforced cores. They resist moisture, salt air and UV exposure without warping, cracking or fading. Tested specifically for coastal conditions between Mossel Bay and Plettenberg Bay.
- Aluminium security shutters feature 35mm thick panels with elliptical louvres, 8mm securing bolts and 10mm locking rods. They mount inside window reveals or on external walls and carry a 10 year warranty.
- Both types require professional site measurement. Window reveal depth, mounting surface integrity and coastal exposure levels vary significantly across Garden Route properties, from Thesen Island lagoon homes to elevated Simola estates.
The louvres tilt. Light changes. The room shifts from open and bright to quiet and private in a single movement. No cords. No fuss. Just solid, permanent control that becomes part of the window itself.

What are shutters and how do they differ from blinds?
Shutters are rigid window coverings with adjustable louvres set in a solid frame that mounts directly to the window structure. Unlike fabric blinds that hang from a headrail on brackets, shutters become part of the architecture. Fixed in place, built to last decades, and operated by tilting the louvres rather than raising or lowering a panel. The distinction matters because shutters do not rely on mechanisms that wear out, fabrics that fade, or cords that fray.
On the Garden Route, shutters solve problems that blinds handle less well. Humidity in lagoon facing bathrooms warps timber and degrades fabric. Salt air corrodes cheap hardware within months. Direct afternoon sun on west facing windows bleaches roller blind fabric in two to three seasons. PVC shutters resist all three. They wipe clean, hold their shape, and look the same after five years as they did on installation day.
The trade off is cost. Shutters cost more per square metre than roller or venetian blinds. But they last longer, need less maintenance, and add measurable resale value to a property. For homeowners who want a permanent solution, not a temporary covering, shutters are the more honest investment.

What are PVC indoor shutters and which rooms suit them best?
PVC indoor shutters, branded as Custom Lifestyle Shutters™, are louvred panels manufactured from extruded polyvinyl chloride reinforced with internal aluminium cores. The aluminium core prevents sagging and bowing over time, while the PVC outer resists moisture absorption, UV degradation and salt corrosion. Custom Blinds supplies these with 89mm louvres in bi fold, hinged and bypass configurations, fitted to the millimetre inside the window reveal.
Bathrooms and ensuites are where PVC shutters prove their value most clearly. Steam, condensation and splashwater destroy timber blinds and warp wooden shutters. PVC remains dimensionally stable. It does not swell. It does not delaminate. A wipe with a damp cloth is the only maintenance required. For Garden Route properties where bathrooms face the lagoon or forest, PVC indoor shutters deliver privacy without sacrificing the view when the louvres tilt open.
Bedrooms benefit from the acoustic dampening. The solid panel and frame absorb external noise, from traffic on the N2 to wind through the trees at Brenton and early morning bird calls at Leisure Isle, more effectively than single layer fabric blinds. Combined with louvre tilt for precise morning light control, shutters let the room stay dark without full blockout fabric.
Living areas and studies suit shutters when the homeowner wants a permanent, architectural look. Shutters sit flush in the window frame and become part of the room rather than an accessory hanging over it. Café style half height shutters are popular in street facing ground floor rooms. Privacy below eye level, open light above.
Coastal consideration: Along the Garden Route, PVC outperforms timber in every measurable way for shutter longevity. Timber shutters require repainting every two to three years to prevent UV and moisture damage. PVC shutters carry a 3 year warranty and typically last well beyond 10 years with no refinishing.

How do aluminium security shutters work and what makes them different from burglar bars?
Aluminium security shutters replace traditional burglar bars with a louvred panel system that provides security, ventilation and light control in a single installation. The panels feature 35mm thick aluminium construction with elliptical louvres, 8mm securing bolts and 10mm locking rods. When locked, the shutters form a rigid barrier across the window opening. When unlocked, the panels fold, slide or hinge aside to open the window completely.
The difference from burglar bars is functional and aesthetic. Burglar bars are fixed. They permanently obstruct the view and trap occupants in an emergency. Aluminium security shutters open fully when unlocked, restoring the window to its original state. They also tilt for ventilation while locked, allowing airflow through the louvres without compromising security. This matters on the Garden Route where evening breezes off the lagoon or through the Outeniqua passes make natural ventilation part of how homes are lived in.
Security shutters mount inside the window reveal or on the external wall surface, depending on window construction and aesthetic preference. Inside mount creates a cleaner architectural line. Outside mount accommodates windows with shallow reveals or non standard framing. Both methods use concealed fixings that cannot be removed from outside.
For holiday homes on the Garden Route, in Plett, Knysna, Brenton and Wilderness, security shutters provide peace of mind when the property stands empty between visits. They deter opportunistic entry, protect glass from storm debris, and reduce insurance risk. The 10 year warranty covers the panel structure, locking mechanism and finish.

“Most people ask for burglar bars. Then I show them how security shutters open, close, lock and ventilate, all from inside the room. They never go back to bars.”
Duncan KaneFounder & Master Installer · Custom Blinds · Since 2010
How shutters compare: PVC indoor vs aluminium security
| Feature | PVC Indoor Shutters | Aluminium Security Shutters |
|---|---|---|
| Primary purpose | Privacy, light control, insulation | Security, ventilation, storm protection |
| Material | Extruded PVC with aluminium core | 35mm aluminium panels |
| Louvre size | 89mm | Elliptical profile (fixed when locked) |
| Moisture resistance | ✓ Waterproof | ✓ Rust proof aluminium |
| Security rating | Privacy only, not a security product | ✓ 8mm bolts, 10mm locking rods |
| Panel configurations | Bi fold, hinged, bypass | Hinged, bi fold, folding, sliding |
| Standard colours | 6 finishes (white, magnolia, smoke and more) | 6 standard aluminium finishes |
| Best rooms | Bathrooms, bedrooms, living areas, studies | Ground floor windows, holiday homes, sliding doors |
| Warranty | 3 years | 10 years |
| Maintenance | Wipe with damp cloth | Wipe clean, lubricate hinges annually |
When should you choose shutters over blinds?
Shutters make more sense than blinds when the window treatment needs to last the lifetime of the room, when humidity or moisture rules out fabric, when the homeowner values architectural permanence over flexibility, or when security is part of the brief. Blinds make more sense when budgets are tighter, when rooms change function often, or when full blockout darkness matters more than structural elegance.
Specifically on the Garden Route, shutters suit these situations well: lagoon facing bathrooms where steam and salt air degrade fabric within two years; holiday rental properties where durability and low maintenance reduce management overhead; bedrooms where acoustic dampening improves sleep quality without requiring full blockout; and ground floor windows where security shutters replace both burglar bars and curtains in a single installation.
Roller blinds or honeycomb blinds remain the better choice for bedrooms needing full blockout, west facing rooms where UV resistant fabric protects furniture, or any room where the budget needs to stretch across many windows. Many Garden Route homes combine both. Shutters in bathrooms and ground floor security applications, blinds in bedrooms and upper storey windows.
The combination approach: Custom Blinds regularly installs shutters and blinds in the same home. Security shutters on the ground floor for peace of mind. PVC shutters in bathrooms for moisture resistance. Honeycomb blinds in bedrooms for insulation and blockout. Roller blinds elsewhere for budget friendly light control. One team measures and installs everything.
How are shutters measured and installed on the Garden Route?
Every shutter installation begins with a home visit. Duncan measures the window reveal dimensions, checks the mounting surface integrity, assesses the reveal depth for inside mount feasibility, and discusses panel configuration preferences with the homeowner. Coastal properties receive additional assessment for salt exposure levels and humidity patterns that affect long term performance.
Measurement precision matters more for shutters than for blinds. A roller blind sits on a headrail with adjustment tolerance built in. A shutter frame must fit flush inside the reveal or mount square against the wall. Millimetre discrepancies create visible gaps, uneven louvre alignment, or panels that bind during operation. This is why Custom Blinds does not offer shutters through the online shop. They require hands on measurement at the property.
Manufacturing takes two to four weeks depending on panel configuration and current production schedules. Installation typically completes in a single morning or afternoon visit. Frames are fixed, panels hung, louvres aligned, and all hardware tested before the team leaves. No subcontractors. No handovers. The same person who measured the window installs the finished shutter.

installations since 2010
years on the Garden Route
towns served weekly
team, start to finish
Which Garden Route areas does Custom Blinds install shutters?
Custom Blinds measures and installs shutters across the Garden Route from Mossel Bay to Plettenberg Bay, covering George, Wilderness, Sedgefield, Knysna and surrounding areas. Each location presents different environmental conditions that influence shutter specification and installation approach.
George properties tend toward more sheltered inland conditions with less direct salt exposure but colder winter temperatures. PVC shutters provide thermal insulation that reduces heating demand during George’s cooler months. Knysna homes, particularly Thesen Island, Leisure Isle and the Heads, face direct lagoon humidity and salt laden wind. Aluminium security shutters suit ground floor holiday homes where the property stands empty between visits. Plettenberg Bay properties, especially along Robberg and Beacon Isle, experience the highest wind loading and salt exposure on the route. Hardware specification here is critical.
Sedgefield, Wilderness and Mossel Bay each have distinct microclimates. Duncan assesses the specific property rather than applying blanket recommendations by town. A south facing Wilderness cottage has different requirements from a north facing Mossel Bay apartment overlooking the harbour.
Frequently asked questions about shutters
How much do shutters cost on the Garden Route?
Shutter pricing depends on window dimensions, panel configuration, material choice (PVC or aluminium) and mounting method. Custom Blinds provides free measurement and quotation at the property. Every installation is custom manufactured, so accurate pricing requires a home visit rather than an estimate from window sizes alone.
Are PVC shutters waterproof enough for Garden Route bathrooms?
PVC shutters are fully waterproof. The extruded PVC construction does not absorb moisture, swell, warp or delaminate when exposed to steam, condensation or direct splashwater. Custom Blinds recommends PVC shutters specifically for Garden Route bathrooms where lagoon humidity and daily steam exposure would damage timber or fabric alternatives within two to three years.
Can security shutters replace burglar bars in Knysna and Plettenberg Bay?
Aluminium security shutters provide equivalent or superior security to burglar bars while adding ventilation, light control and the ability to open fully when unlocked. Custom Blinds installs security shutters across Knysna and Plettenberg Bay as a direct replacement for fixed burglar bars on ground floor windows, sliding doors and vulnerable access points.
What is the difference between PVC shutters and timber shutters?
PVC shutters use extruded polyvinyl chloride with aluminium cores for moisture resistance and dimensional stability. Timber shutters use natural wood, typically basswood or poplar, for warmth and traditional aesthetics. On the Garden Route, PVC outlasts timber because salt air, humidity and UV exposure degrade wood finishes within two to three years. PVC requires no repainting, no sealing, and no refinishing.
How long does shutter installation take?
Shutter installation on the Garden Route typically completes in a single visit. One morning or afternoon depending on the number of windows. Manufacturing takes two to four weeks from measurement. Custom Blinds handles measurement, manufacturing coordination and installation with the same team to maintain accountability and quality from start to finish.
Do shutters help with insulation in cold Garden Route winters?
Shutters provide measurably better insulation than single layer blinds. The solid panel and frame create an air gap between the window glass and the room interior, reducing heat transfer. PVC shutters insulate approximately three times more effectively than timber shutters due to the lower thermal conductivity of the material. George and Wilderness properties, where winter temperatures drop below 5°C overnight, benefit most from this thermal performance.
Can I buy shutters from Custom Blinds online?
Shutters are not available through the Custom Blinds online shop because they require professional site measurement to ensure correct fit. Unlike roller or honeycomb blinds, shutters must match the window reveal to the millimetre. Contact Duncan directly to arrange a free home measurement on the Garden Route.
Ready to see shutters in your home?
Free measurement and quotation across the Garden Route. One conversation. No pressure.
Last reviewed: March 2026. All shutters custom manufactured and quoted individually. Pricing requires on site measurement.

