What is Facade Renovation? Upgrade Your Home Exterior Without Rebuilding (Phnom Penh Guide 2025)
- songyod thomtitchong
- Apr 17
- 12 min read
Updated: May 20
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Common Mistakes Homeowners Make During Facade Renovation
Many facade renovation problems in Cambodia are not caused by design — they are caused by poor planning and unrealistic expectations.
Some homeowners focus only on appearance without considering:
waterproofing
material durability
long-term maintenance
structural limitations
or construction quality.
This often leads to expensive repairs only a few years after renovation.
Common mistakes include:
Choosing decorative styles that do not fit the building proportions
Using low-quality exterior paint
Installing heavy decorative elements on weak surfaces
Ignoring drainage and water flow
Hiring contractors based only on the cheapest price
Using too many facade details that become difficult to maintain
A successful facade renovation should improve both appearance and long-term practicality.
At SALA DECOR, facade renovation is approached as a balance between:
architectural proportion
climate durability
realistic construction methods
and long-term ownership experience.
កំហុសដែលម្ចាស់ផ្ទះជាញឹកញាប់ធ្វើពេល Facade Renovation
បញ្ហា facade renovation ជាច្រើននៅកម្ពុជា មិនមែនមកពី design ទេ ប៉ុន្តែមកពីការរៀបចំមិនល្អ និងការរំពឹងទុកមិនសមហេតុផល។
ម្ចាស់ផ្ទះខ្លះផ្តោតតែលើរូបរាង ប៉ុន្តែមិនគិតពី៖
waterproofing
ភាពធន់នៃសម្ភារៈ
ការថែទាំរយៈពេលវែង
structural limitations
និងគុណភាពសំណង់
បញ្ហាទាំងនេះអាចបណ្តាលឲ្យត្រូវជួសជុលឡើងវិញ បន្ទាប់ពី renovation បានតែប៉ុន្មានឆ្នាំ។
កំហុសដែលជាញឹកញាប់មានដូចជា៖
ជ្រើស decorative style មិនសម proportion ផ្ទះ
ប្រើ exterior paint គុណភាពទាប
ដំឡើង decorative elements ធ្ងន់លើ surface មិនរឹងមាំ
មិនគិតពី drainage និង water flow
ជ្រើស contractor ដោយមើលតែតម្លៃថោក
ដាក់ facade details ច្រើនពេក ដែលពិបាកថែទាំ
Facade renovation ដែលល្អ គួរតែធ្វើឲ្យផ្ទះស្អាត និងងាយថែទាំក្នុងរយៈពេលវែងផងដែរ។
How to Know if Your House Is Suitable for Facade Renovation
Most townhouses, shophouses, and borey homes in Phnom Penh can be upgraded without rebuilding the structure.
However, before starting facade renovation, several factors should be checked:
wall condition
structural cracks
moisture problems
roof drainage
existing render quality
window and gate condition
Older homes often produce the most dramatic before-and-after transformations because the visual contrast is stronger.
In many cases, even simple improvements such as:
repainting
adding lighting
upgrading the gate
and improving facade proportions
can completely change how the property feels from the street.
តើផ្ទះរបស់អ្នកសមស្របសម្រាប់ Facade Renovation ដែរឬទេ?
Townhouse, shophouse និង borey homes ភាគច្រើននៅភ្នំពេញ អាច renovate facade បាន ដោយមិនចាំបាច់ rebuild structure ទេ។
ប៉ុន្តែមុនពេលចាប់ផ្តើម renovation គួរតែពិនិត្យ៖
ស្ថានភាពជញ្ជាំង
structural cracks
បញ្ហាសំណើម
ប្រព័ន្ធបង្ហូរទឹក
គុណភាព render ចាស់
ស្ថានភាពបង្អួច និង gate
ផ្ទះចាស់ជាច្រើន អាចផ្លាស់ប្តូររូបរាងបានខ្លាំង ព្រោះ before-and-after contrast ខ្លាំងជាង។
ពេលខ្លះ ការកែប្រែតូចៗដូចជា៖
repainting
lighting
gate upgrade
facade proportion adjustment
ក៏អាចធ្វើឲ្យផ្ទះមើលទៅ modern និង premium ជាងមុនបានយ៉ាងច្រើន។
Why Facade Lighting Matters More Than Most Homeowners Think
One of the most overlooked parts of facade renovation is exterior lighting.
In Cambodia, many homes are seen during the evening when people drive through neighborhoods after work.
A facade with proper warm lighting creates:
depth
shadow contrast
premium atmosphere
and stronger street presence.
Even a simple facade can feel significantly more luxurious when lighting is properly designed.
Warm lighting between 2700K–3000K usually creates the best result for residential facades because it feels softer and more elegant than cool white lighting.
Poor lighting choices often make expensive facade renovations look flat or harsh at night.
ហេតុអ្វី Exterior Lighting សំខាន់សម្រាប់ Facade Renovation
Exterior lighting គឺជាផ្នែកមួយដែលម្ចាស់ផ្ទះជាច្រើនមើលរំលង ប៉ុន្តែវាមានឥទ្ធិពលខ្លាំងលើអារម្មណ៍របស់ facade នៅពេលយប់។
នៅកម្ពុជា មនុស្សជាច្រើនឃើញផ្ទះនៅពេលល្ងាច និងពេលយប់ ពេលបើកឡានកាត់តំបន់លំនៅឋាន។
Lighting ដែលរចនាល្អ អាចបង្កើត៖
depth
shadow contrast
អារម្មណ៍ luxury
និង street presence ខ្លាំងជាងមុន
សូម្បីតែ facade សាមញ្ញ ក៏អាចមើលទៅ premium បាន ប្រសិនបើ lighting ត្រឹមត្រូវ។
Warm lighting 2700K–3000K ជាធម្មតាផ្តល់អារម្មណ៍ទន់ ស្រួលភ្នែក និង elegant ជាង cool white lighting។
Lighting មិនល្អ អាចធ្វើឲ្យ facade ដែលចំណាយថ្លៃមើលទៅ flat និងមិនមានមิติ នៅពេលយប់។
ENGLISH VERSION
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Title: What is Facade Renovation? Upgrade Your Home Exterior Without Rebuilding (Phnom Penh Guide 2025)
Meta Description: What is facade renovation and how much does it cost in Phnom Penh? Learn how shophouses and townhouses are transformed without rebuilding — with real cost examples from SALA DECOR.
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Introduction
You've seen it happen on the streets of Phnom Penh: a shophouse that looked tired and dated for years suddenly has a completely different face — clean columns, fresh render, warm lighting at night. The structure is the same. The transformation is total.
That's facade renovation.
It's one of the most cost-effective ways to increase your property's value and curb appeal in Cambodia — and it doesn't require demolishing a single load-bearing wall. For older townhouses, shophouses, and borey homes with solid structures, facade renovation delivers a dramatic visual result at a fraction of the cost of rebuilding.
This guide explains exactly what facade renovation involves, what it costs in Phnom Penh, which styles work best for the local market, and what to expect from start to finish.
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What Exactly is Facade Renovation?
Facade renovation is the process of upgrading the exterior front face of a building — the visible surface facing the street — to improve its appearance, condition, and perceived value. The work happens entirely on the exterior and does not require changing the internal structure or layout of the building.
It's distinct from:
General renovation — which covers interior spaces (flooring, walls, kitchen, bathrooms)
Full rebuild — which demolishes the existing structure and starts from scratch
Facade renovation targets the external skin: the render finish, decorative elements, gate, window frames, lighting, and any architectural detail work that defines how the building looks from the outside.
In Phnom Penh, facade renovation is especially popular for:
Shophouses along commercial streets in areas like Toul Kork, Sen Sok, Mean Chey, and Dangkao — where the ground floor operates as a business and the upper floors are residential
Older townhouses in borey developments built 10–20 years ago that now look outdated compared to newer stock
Standalone villas whose exterior hasn't been updated since construction
Commercial properties — restaurants, clinics, salons — that want a premium street presence
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Why Facade Renovation Makes Financial Sense
The core appeal is straightforward: you get most of the visual impact of rebuilding at a small fraction of the cost.
Cost comparison for a typical Phnom Penh townhouse (4m wide, 3 floors):
Approach Estimated Cost Timeline Disruption
Facade renovation only $3,000 – $10,000 2–6 weeks Minimal — can stay inside
Full exterior + interior renovation $15,000 – $35,000 2–4 months Significant
Full demolish and rebuild $40,000 – $80,000+ 6–12 months Total relocation needed
Beyond cost, facade renovation typically delivers a strong return in the Cambodian property market:
Property value uplift: A well-executed facade renovation on a Phnom Penh shophouse or townhouse typically adds $8,000–$20,000 to the perceived market value — significantly more than the renovation cost.
Rental premium: Properties with clean, modern exteriors command 20–40% higher rental prices than equivalent properties with tired facades in the same location.
Business visibility: For commercial properties, a premium facade signals quality to customers before they walk in — directly affecting footfall and brand perception.
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Key Elements of a Facade Renovation
A complete facade renovation typically involves some or all of the following elements, depending on budget and scope:
1. Surface Preparation and Render
The existing exterior surface is cleaned, repaired, and re-rendered where needed. Old paint, cracked plaster, and weathered finishes are stripped back. A fresh render coat provides the clean base that everything else depends on. In Phnom Penh's humid climate, using moisture-resistant render is essential — standard cement render without additives will crack and stain within a few years.
2. Decorative Architectural Elements (GRC / Molding)
This is the layer that defines the style. Columns, cornices, window surrounds, pilasters, arched frames, and decorative panels are added to the surface using GRC (Glass Fiber Reinforced Concrete) elements or cast cement molding. GRC is the preferred material in Phnom Penh — it's lightweight, durable, humidity-resistant, and can be cast into virtually any classical or contemporary profile.
SALA DECOR manufactures classical GRC trim molding in-house and sources column capitals and decorative elements from specialist suppliers, allowing precise control over quality and profile consistency across a project.
3. Gate and Fence Upgrade
The entrance gate is often the first thing a visitor sees. Replacing a dated metal gate with a well-proportioned iron or aluminum gate — styled to match the facade — makes an immediate impact. Fence design, boundary walls, and pillar caps are also typically addressed as part of a full facade renovation.
4. Window and Door Frame Treatment
Changing the frame color, adding decorative surrounds, or replacing the frames entirely can dramatically alter how the facade reads. Window proportions and the relationship between openings and solid wall surface are key elements of classical facade design.
5. Exterior Lighting Design
Warm facade lighting (2700K–3000K) transforms how a property looks after dark. Wall-mounted uplights on columns, recessed ground lights, and decorative lanterns are used strategically to create depth and drama at night. In Phnom Penh, evening street presence matters — many purchasing and rental decisions are made by people driving past at night.
6. Paint and Color Scheme
The final color scheme ties everything together. For classical and European-influenced facades popular in Phnom Penh, cream white and off-white tones with contrasting trim colors (dark grey, charcoal, bronze) perform best — they photograph well, age gracefully in Cambodia's climate, and read as premium from the street.
Popular Facade Styles in Phnom Penh
1. Minimal Classic
The most practical starting point for most properties — and the best value-for-money option. Clean columns at the gate or facade edges, simple cornice lines, and a well-proportioned paint scheme. No heavy ornamentation, but enough architectural detail to elevate the property above a flat, featureless exterior. Ideal for shophouses and standard townhouses on a moderate budget.
Typical cost: $3,000 – $6,000 for a 4m wide townhouse
2. Modern Classic
A step up in detail — incorporates pilasters, decorative window surrounds, a defined cornice line at the roofline, and often a feature entrance arch or portico. The proportions follow classical rules but the overall execution is clean and contemporary rather than ornate. This is the most requested style at SALA DECOR for mid-range residential projects in Phnom Penh.
Typical cost: $5,000 – $12,000 for a 4–5m wide townhouse or shophouse
3. Luxury Classic / European
Full classical treatment — fluted columns, detailed cornices, sculptural window pediments, rusticated base courses, and decorative panel work between floors. The level of detail approaches what you would see on European heritage buildings, adapted for the Cambodian context. Used primarily for standalone villas, premium shophouses in high-visibility locations, and boutique commercial properties.
Typical cost: $12,000 – $30,000+ depending on width and detail level
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Real Project Example: Townhouse in Phnom Penh
Property: 4m wide, 3-storey townhouse in Sen Sok district
Condition before: Original builder finish from 12 years ago — flat render, metal gate, no architectural detail, weathered paint
Work completed:
Full surface re-render with moisture-resistant finish
Minimal Classic GRC columns at gate pillars and facade edges
Cornice line added at roofline and floor transitions
New aluminum gate styled to match facade proportions
Window surrounds added to all visible openings
Warm exterior lighting installed (columns + entrance)
Two-tone paint scheme: warm cream body, charcoal trim
Timeline: 4 weeks
Total cost: $6,800
Outcome: Property value assessed approximately $12,000 higher post-renovation. Owner subsequently increased rental asking price by 35%.
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What to Expect: The Renovation Process
Week 1 — Site assessment and design
SALA DECOR conducts a site visit to assess the existing structure, take measurements, and discuss the owner's style preferences and budget. A design concept is developed with reference images and, for larger projects, a 3D visualization.
Week 1–2 — Material preparation
GRC elements are cast or sourced according to the agreed design. Surface preparation begins: cleaning, crack repair, and base render application.
Week 2–4 — Installation
GRC elements are installed and fixed. Gate, lighting, and window frame work proceeds in parallel. Final render coat and paint are applied in sequence.
Final — Lighting and finishing
Exterior lighting is connected and positioned. Final paint touch-ups and site clean-up complete the project.
Frequently Asked Questions
Q: Does facade renovation require demolishing any part of the structure?
A: No — provided the existing structure is sound. All facade renovation work is applied to the external surface. A brief structural assessment is done at the start to confirm the walls can support the new elements.
Q: Can facade renovation be done on an occupied property?
A: Yes. Because the work is entirely external, residents can generally continue living in the property during the renovation with minimal disruption.
Q: What is the minimum budget for facade renovation in Phnom Penh?
A: A meaningful facade upgrade for a standard 4m wide shophouse or townhouse starts from approximately $3,000. Below this, the scope is limited to repainting and minor repairs rather than a proper architectural transformation.
Q: How long does a facade renovation take?
A: For a typical townhouse or shophouse (4–6m wide), expect 3–6 weeks from start to completion. Larger properties or projects with more complex GRC work take longer.
Q: What material is used for the decorative elements?
A: SALA DECOR uses GRC (Glass Fiber Reinforced Concrete) for decorative molding and trim elements. GRC is significantly lighter than solid concrete, resistant to Cambodia's humidity, and can be cast into precise profiles — making it the standard material for facade renovation work in Phnom Penh.
Q: Will the facade hold up in Cambodia's climate?
A: Yes — if the right materials and application methods are used. Moisture-resistant render, GRC elements, and quality exterior paint formulated for tropical climates will perform well. Poor material choices (standard cement without additives, cheap paint) will crack and stain within 2–3 years. This is one of the most important reasons to work with an experienced local contractor rather than the cheapest option.
Q: My house is 15 years old. Is it too old to renovate?
A: Older homes with solid structures often show the most dramatic transformations — the contrast between the before and after is greatest. Age of the structure is not a barrier as long as the structural integrity is confirmed.
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ភាសាខ្មែរ (KHMER VERSION)
តើ Facade Renovation ជាអ្វី? កែប្រែផ្នែកខាងមុខផ្ទះ ដោយមិនចាំបាច់សាងសង់ថ្មី (មគ្គុទ្ទេសក៍ ភ្នំពេញ ២០២៥)
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ការណែនាំ
អ្នក ប្រហែល ធ្លាប់ ឃើញ នៅ តាម ផ្លូវ ភ្នំពេញ: ផ្ទះ shophouse ដែល ចាស់ ហ្នឹង ភ្លាម ក្លាយ ទៅ ជា ផ្ទះ ស្អាត clean មាន សសរ, ភ្លើង ក្ដៅ យប់ — ប៉ុន្តែ structure ដដែល ។ នោះ ហើយ គឺ Facade Renovation ។
វា ជា វិធី cost-effective បំផុត ដើម្បី បង្កើន value និង ភាព ស្អាត របស់ property នៅ កម្ពុជា — ដោយ មិន ចាំបាច់ រុះរើ ជញ្ជាំង ណា មួយ ទេ ។ សម្រាប់ shophouse, townhouse, borey home ដែល structure ល្អ — Facade Renovation ផ្ដល់ result visual ខ្លាំង ណាស់ ក្នុង fraction of the cost of rebuilding ។
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តើ Facade Renovation ជា អ្វី ពិត ប្រាកដ?
Facade Renovation គឺ ជា ការ upgrade exterior front face of a building — ផ្នែក visible ដែល face ផ្លូវ — ដើម្បី improve appearance, condition, និង perceived value ។ ការងារ happen ទាំង អស់ exterior មិន require change internal structure ឬ layout ទេ ។
ខុស ពី:
General renovation — cover interior spaces (floor, wall, kitchen, bathroom)
Full rebuild — demolish existing structure ហើយ start from scratch
Facade renovation target external skin: render finish, decorative elements, gate, window frames, lighting, architectural detail work ។
នៅ ភ្នំពេញ Facade Renovation ពេញនិយម ណាស់ សម្រាប់:
Shophouses នៅ ផ្លូវ commercial: Toul Kork, Sen Sok, Mean Chey, Dangkao
Townhouses ចាស់ ក្នុង borey development ដែល built 10–20 ឆ្នាំ មុន ហើយ ឥឡូវ look outdated
Villas ដែល exterior មិន ទាន់ update តាំង ពី construction
Commercial properties — restaurant, clinic, salon — ដែល ចង់ premium street presence
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ហេតុអ្វី Facade Renovation Cost-Effective?
ប្រៀបធៀប cost: Townhouse ភ្នំពេញ ទទឹង 4m, 3 ជាន់
វិធីសាស្ត្រ ថ្លៃ ប្រហែល Timeline ការ ប៉ះ ពាល់
Facade renovation only $3,000 – $10,000 2–6 សប្ដាហ៍ Minimal — អ្នក stay inside បាន
Exterior + interior renovation $15,000 – $35,000 2–4 ខែ ខ្ពស់
Demolish and rebuild $40,000 – $80,000+ 6–12 ខែ Relocate ពេញ
Return ដែល ទទួល បាន ជា ធម្មតា:
Property value: Facade renovation ល្អ លើ shophouse ឬ townhouse ភ្នំពេញ add $8,000–$20,000 ទៅ perceived market value — ច្រើន ជាង renovation cost ។
Rental premium: Property ដែល exterior clean, modern command 20–40% rental price ខ្ពស់ ជាង equivalent property ដែល facade ចាស់ ក្នុង same location ។
Business visibility: Commercial property ដែល facade premium signal quality ទៅ customer មុន ពេល ពួកគេ enter — directly affecting footfall ។
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ផ្នែក Key Elements of Facade Renovation
១. Surface Preparation and Render
Clean, repair, re-render exterior surface ។ Crack plaster, weathered finish ត្រូវ strip ។ Fresh render coat ផ្ដល់ clean base ។ នៅ humid climate ភ្នំពេញ ត្រូវ ប្រើ moisture-resistant render — standard cement ដោយ គ្មាន additive crack ហើយ stain ក្នុង ២–៣ ឆ្នាំ ។
២. GRC Decorative Elements (Molding)
Layer នេះ define style ។ Columns, cornices, window surrounds, pilasters, arched frames, decorative panels ត្រូវ add ដោយ ប្រើ GRC (Glass Fiber Reinforced Concrete) ។ GRC lightweight, durable, humidity-resistant — ជា standard material សម្រាប់ facade renovation នៅ ភ្នំពេញ ។
SALA DECOR manufacture GRC trim molding in-house ហើយ source column capitals ពី specialist suppliers — controlling quality ត្រឹមត្រូវ ។
៣. Gate and Fence Upgrade
Gate ជា first impression ។ Replace dated metal gate ជា well-proportioned iron ឬ aluminum gate ដែល style match facade — make immediate impact ។
៤. Window and Door Frame Treatment
Change frame color, add decorative surrounds, ឬ replace frames ។ Window proportions និង relationship between openings ជា key elements of classical facade design ។
៥. Exterior Lighting Design
Warm facade lighting (2700K–3000K) transform how property looks after dark ។ Wall-mounted uplights on columns, recessed ground lights, decorative lanterns ។ នៅ ភ្នំពេញ evening street presence matters — decisions ជា ច្រើន made by people driving past at night ។
៦. Paint and Color Scheme
Cream white and off-white tones ជាមួយ contrasting trim (dark grey, charcoal, bronze) perform best — photograph ល្អ, age gracefully ក្នុង Cambodia climate, read as premium from street ។
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Facade Styles ពេញនិយម នៅ ភ្នំពេញ
១. Minimal Classic
Starting point ល្អ ជាងគេ, best value-for-money ។ Clean columns at gate ឬ facade edges, simple cornice lines, well-proportioned paint scheme ។ ល្អ សម្រាប់ shophouse, townhouse ក្នុង moderate budget ។
ថ្លៃ ប្រហែល: $3,000 – $6,000 (townhouse 4m wide)
២. Modern Classic
Detail ច្រើន ជាង — pilasters, window surrounds, defined cornice line, feature entrance arch ។ Most requested style នៅ SALA DECOR ។
ថ្លៃ ប្រហែល: $5,000 – $12,000 (townhouse/shophouse 4–5m wide)
៣. Luxury Classic / European
Full classical treatment — fluted columns, detailed cornices, sculptural window pediments ។ ប្រើ ជា ធម្មតា សម្រាប់ standalone villa ឬ premium shophouse ។
ថ្លៃ ប្រហែល: $12,000 – $30,000+
ឧទាហរណ៍ Project ពិត: Townhouse Sen Sok
Property: Townhouse 4m wide, 3 ជាន់, Sen Sok
មុន: Builder finish 12 ឆ្នាំ មុន — flat render, metal gate, គ្មាន architectural detail
ការងារ ដែល completed:
Re-render ពេញ moisture-resistant finish
Minimal Classic GRC columns at gate pillars + facade edges
Cornice line at roofline + floor transitions
New aluminum gate styled match facade
Window surrounds added to all visible openings
Warm exterior lighting installed
Two-tone paint: warm cream body, charcoal trim
Timeline: 4 សប្ដាហ៍
Cost total: $6,800
Result: Property value assessed ~$12,000 ខ្ពស់ ជាង post-renovation ។ Owner increase rental asking price 35% ។
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សំណួរ ដែល សួរ ញឹក ញាប់
Q: Facade renovation ត្រូវ demolish structure ទេ?
A: មិន ចាំបាច់ ទេ — ប្រសិនបើ existing structure sound ។ ការងារ ទាំង អស់ applied to external surface ។
Q: អាច live in house ពេល renovation ទេ?
A: បាន ។ ដោយ សារ ការងារ entirely external, resident ភាគ ច្រើន continue living in property ដោយ minimal disruption ។
Q: Budget minimum ចាប់ ពី ប៉ុន្មាន?
A: Meaningful facade upgrade ចាប់ ពី ~$3,000 ។ ក្រោម ថ្លៃ នេះ scope limited ទៅ repainting + minor repairs — មិនใช่ proper architectural transformation ទេ ។
Q: ចំណាយ ពេល ប៉ុន្មាន?
A: Townhouse/shophouse 4–6m wide ប្រហែល 3–6 សប្ដាហ៍ ។
Q: Material សម្រាប់ decorative elements ជា អ្វី?
A: SALA DECOR ប្រើ GRC (Glass Fiber Reinforced Concrete) ។ GRC lighter ជាង solid concrete, resistant ទៅ Cambodia humidity, cast ទៅ precise profiles — ជា standard material សម្រាប់ facade renovation work នៅ ភ្នំពេញ ។
Q: ផ្ទះ ១៥ ឆ្នាំ renovation បានទេ?
A: Older homes ជាមួយ solid structure often show most dramatic transformations — contrast between before/after ធំ ជាង ផ្ទះ ថ្មី ។ Age of structure ជា barrier ប្រសិនបើ structural integrity confirmed ។
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SALA DECOR – Facade Renovation & Interior Design Phnom Penh
Senssok, Phnom Penh, Cambodia
👉 Design consultation: https://www.saladecor.com
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