Window Care & Knowledge
Expert Tips from Amgen's Professional Team
Practical knowledge on mandatory window inspection, window maintenance and typhoon preparation — written by our licensed professionals.
Replacing Windows in an HOS Flat: ICU Submission Steps & Owner Checklist
Window replacement in HOS and Tenants Purchase Scheme flats is submitted to the Independent Checking Unit (ICU), not the Buildings Department. Who approves, the MW03/MW04 steps, how to verify your contractor and what to check at handover — with submissions handled by licensed contractor MWC 316/2021.
Who Is Responsible for a Leaking Window? Flat, External Wall, Upstairs or OC
Is a leaking window edge your flat's problem, the external wall's, the flat upstairs or the owners' corporation's? How to judge responsibility from the leak path and the Deed of Mutual Covenant, when the Joint Office will step in, and how to gather evidence and negotiate — with on-site diagnosis by licensed contractor MWC 316/2021.
Do You Need OC Approval to Replace Windows? DMC, Uniform Styles & Colours
Replacing windows in a private building means a Buildings Department submission and a check of the Deed of Mutual Covenant: the owners' corporation or management office may require uniform frame colours, styles and pane layouts. The approval steps, common restrictions and what happens without consent — with submissions handled by licensed contractor MWC 316/2021.
Where Are the Drainage Holes on an Aluminium Window? Blockage Signs, How to Clear Them, and Diagnosing the Leak
Where are the drainage holes on an aluminium window, and why do they block? This guide covers what they do and where to find them, a three-minute test you can do yourself, how to clear them safely, and how to tell whether the leak is really coming from there. Amgen Aluminium Windows, licence MWC 316/2021.
Does Taping Windows Before a Typhoon Work? The Truth About Window Tape, and What Actually Protects Your Aluminium Windows
Does taping windows before a typhoon actually help? This guide explains how glass really breaks in a typhoon, why tape does not help and can make the fragments more dangerous, and the five checks that genuinely matter. Amgen Aluminium Windows, licence MWC 316/2021.
Where to Get Aluminium Window Repair? A Hong Kong Owner's Guide to Choosing a Technician and Avoiding Quote Traps
Looking for a reliable aluminium window repair technician? Learn how to verify a contractor's registration, spot 5 quotation traps, understand typical repair costs and warranty terms, and avoid paying twice. Amgen MWC 316/2021.
Do Window Replacement & Repairs Need Scaffolding? A Complete Guide to Scaffold-free vs Scaffolding: When, Cost & Considerations
Scaffolding is the biggest variable in a window quote — it can add thousands. This guide explains when works can be scaffold-free, when scaffolding is needed, how it works, cost factors and owner tips. Amgen MWC 316/2021.
Foggy Insulated Glass? Causes of Double-Glazing Condensation, Whether It Can Be Repaired & Replacement Guide
Insulated glass fogging up inside and impossible to wipe clean? This guide explains the causes of double-glazing fogging, why it can't be cleaned, whether it can be repaired, and the replacement and prevention process. Amgen MWC 316/2021.
Can You Recolour Aluminium Windows? A Complete Guide to Methods, Costs, Durability & Comparison with Replacement
Want to change your silver aluminium windows to black or champagne gold to match your renovation? This guide compares DIY spray paint, on-site coating, factory recoating and replacement on adhesion, durability and cost. Amgen MWC 316/2021.
Sliding Window Repair Guide: Sticking, Derailing, Draughts? Roller Replacement & Maintenance Explained
Sliding window hard to push, sticking, derailing or letting in draughts when closed? This guide covers common sliding window problems, roller replacement and repairs, maintenance tips and repair-vs-replace. Amgen MWC 316/2021.
Switched from Window AC to Split Unit? A Complete Guide to Converting the AC Opening to an Aluminium Window: Sealing, Leaks, Rules & Declaration
Switched from a window AC to a split unit and left with an opening or a leaking AC sill? This guide covers converting an AC opening to an aluminium window — sealing methods, window types, ventilation rules, Class 2 minor works declaration and leak remediation. Amgen MWC 316/2021.
How to Inspect Newly Installed Aluminium Windows? A Handover Inspection Checklist: 8 Key Checks, Water Testing & Sign-Off
Just replaced your windows but unsure how to inspect them? Learn how window handover inspection differs from mandatory inspection, 8 acceptance checks, drainage holes & water testing. Amgen Windows MWC 316/2021.
Floor-to-Ceiling Windows Guide: Pros & Cons, Glass Choice, Safety & Installation
Floor-to-ceiling windows open up the view — but how do you choose one? This guide covers the pros and cons, safety glass (tempered / laminated) choice, child fall prevention, west-sun heat insulation, and installation and replacement points. Essential reading for Hong Kong owners before replacing windows.
Window Screens & Mosquito Nets Guide: Types, Choosing, Cleaning & Window Replacement
How do you choose a window screen or mosquito net? What's the difference between retractable, magnetic and sliding-track screens? This guide covers window screen and mosquito net types, key selection points, cleaning and hole repair, and how screens are handled when replacing aluminium windows.
Window Grilles Explained: Security vs Fall Prevention, Rusted Iron Grilles & Window Replacement
Are window grilles for security or fall prevention? What to do about oxidised iron grilles? This guide covers Hong Kong window grille types, their security and child fall-prevention roles, handling oxidised iron grilles, and how to deal with grilles when replacing aluminium windows.
Aluminium Window Glass Replacement Guide: Shattered Glass, Spontaneous Breakage & Costs
Aluminium window glass suddenly shattered or spontaneously broke? This guide covers the causes of glass breakage, immediate safety steps, the glass replacement process and cost factors — plus how to upgrade to safer glass when you replace it.
Why Do Windows Get Condensation ('Sweating')? Causes, Risks & How to Fix Aluminium Window Condensation in Hong Kong
Windows covered in droplets on humid spring mornings — you think it's a leak, but it's usually condensation ('sweating')? This guide explains the causes, how to tell condensation from real leakage, the risks, and 5 fixes from ventilation and dehumidifying to upgrading to insulated glass.
What Is a Top-Hung (Air) Window? Projecting Window Uses, Leak Causes & Replacement Guide
That small vent window high up in your bathroom or kitchen is the 'air window'. This guide breaks down what a top-hung / projecting window does, why hinges oxidise and it leaks, and the key points for replacement and waterproofing — helping Hong Kong owners keep interiors dry.
The Complete Guide to Aluminium Window Accessories: Hinges, Handles, Weatherstrips & Wind Clips — Roles and Replacement
An aluminium window is made up of several accessories — hinges, handles, weatherstrips and wind clips — each with its own job. This guide breaks down the role, common problems (oxidation, looseness, hardening) and replacement timing of each, to help Hong Kong owners understand their windows.
How to Check the Buildings Department Window Inspection Register: Verifying Qualified Persons & Registered Contractors
Before hiring a window inspection company, how do you confirm they are a Qualified Person on the Buildings Department register? This guide walks you step by step through verifying a Registered Minor Works Contractor's qualification, licence class and validity online.
Do Insulated Glass Units Work? A Hong Kong Homeowner's Guide to Choosing Heat-Insulating Glass Before Replacing Windows
Aircon running all day but the room still feels hot and bills keep rising? This guide breaks down how insulated (IGU), Low-E and double-glazed glass work, compares them with window film, and helps west-facing Hong Kong flats pick the right heat-insulating glass before replacing windows.
Replacing Iron Windows with Aluminium: What to Do About Oxidised Iron Windows, the Process, Costs & Declaration
Iron windows in old buildings, tong lau and public housing oxidised and rusting, opening poorly or leaking in the rain? This guide explains why to switch iron windows to aluminium, how they compare, the replacement process and Class II Minor Works declaration, plus cost references.
Mandatory Window Inspection Cost Guide: How Is the Price Calculated? Fees, Repair Costs & Money-Saving Tips
Received a mandatory window inspection notice and worried about the price? This guide breaks the cost into inspection, repair and documentation, with reference prices, the factors that affect them and available government subsidies — so Hong Kong owners can budget and avoid hidden charges.
Aluminium Window Seals Hardened, Leaking Air or Water? A Complete Guide to Weatherstrip Replacement Timing, Costs & Tips
Still feel a draught with the window shut, water seeping in when it rains, or mould at the window corners? Your aluminium window seals may be failing. This guide explains the difference between weatherstrips and silicone, the warning signs, replacement timing and costs.
Aluminium Window 40-Series or 50-Series? Hinge Grades and the Hidden Specs to Check Before Replacing (With a Real Breakage Case)
Is looking at style and appearance enough when replacing windows? The aluminium extrusion thickness (40-series, 50-series) and hinge grade — these hidden specs decide a window's lifespan. With a real case of a Quarry Bay commercial building whose hinge broke one year after renovation, learn how to choose the right specs before replacing your windows.
How to Check an Aluminium Window Company Blacklist? Spotting Warning Signs, Verifying Credentials & Comparing Quotes
Searching for an aluminium window company blacklist to avoid dodgy operators, but no official list exists? Learn to verify a contractor's registration on the Buildings Department register, recognise 5 warning signs of a dodgy shop, and compare quotes to pick a reliable repair and waterproofing company.
Public Housing Window Replacement Guide: Application, Responsibility, Cost & Subsidy Explained
Oxidised iron windows in your public housing flat? This guide covers the application process, responsibility, Class II Minor Works submission (ICU), cost factors and elderly subsidies — with a real estate project case.
How to Make Windows Safe? A Hong Kong Family's Guide to Child Fall-Prevention Window Protection
Worried about children falling from high-rise windows? This guide compares window safety hazards, opening restrictors / grilles / locks and key selection points — balancing fall prevention with fire escape.
How to Choose Soundproof Windows & Glass: Noise Reduction, Glass Compared and Costs in Hong Kong
Troubled by road or railway noise in Hong Kong? This guide compares the real noise reduction of single, double-glazed and laminated glass, and covers frame airtightness, selection points and cost references.
Window Inspection Report (Form MWI1) Explained: Pass, Repairs and the Submission Process
What does a mandatory window inspection report say? What's the difference between a pass and needing repairs? This guide explains Form MWI1 contents, submission, deadlines and penalties.
Window Edge Leaking in a Typhoon? 3 First-Aid Steps + Post-Storm Waterproofing Fix
Window edge seepage or sill flooding during a typhoon or black rainstorm? Learn 3 emergency self-help steps, and why a professional waterproofing fix is essential after the storm. Amgen, licensed MWC 316/2021, with 24/7 typhoon-season support.
How to Choose a Reliable Window Inspection Company? Verify Qualifications, Compare Fees & Avoid Scams
Received a mandatory window inspection notice and unsure which window inspection company to trust? Learn how to verify Qualified Persons and registered contractors, understand inspection fees, and spot 5 scam warning signs.
Window Edge Seepage: 7 Clues to Find the Source, Repair Options & Costs
Water seeping at the window edge or damp on the wall beside it? Use 7 clues to tell whether the source is the frame, the external wall or the flat above, then compare re-sealing, seal replacement and window replacement by cost, process and acceptance standards. Licensed contractor MWC 316/2021, on-site water testing.
Window Repair or Replacement? 5 Key Criteria for Hong Kong Homeowners
Should you repair or replace your aluminium window? Amgen breaks down 5 key criteria, cost comparisons and real cases. Licensed contractor MWC 316/2021. Free on-site assessment.
Window Sill Waterproofing Guide: Sealant Cost, When to Reseal & the Process
Resealing an aluminium window costs from HK$150 per sash — but when does it need redoing? The 3 causes of sill leaks, glass sealant prices and reseal intervals, the full works process, and DIY versus a contractor. Licensed contractor MWC 316/2021, free on-site assessment.
Aluminium Window Handle Problems: Loose, Oxidised or Broken? A Complete Guide to Costs and Timing
Is your aluminium window handle loose, oxidised, or broken? This guide covers the three most common handle problems, when DIY fixes are sufficient, when to call a licensed contractor, and what replacement costs to expect.
Window Replacement or Waterproofing First? A Hong Kong Homeowner's Guide to Getting the Sequence Right
Not sure whether to replace windows or do waterproofing first? Getting the sequence wrong can mean costly rework. This guide covers the correct order for Hong Kong homeowners across common renovation scenarios.
Planning to Replace Your Windows? A Complete Guide to Minor Works Declaration for Aluminium Windows in Hong Kong
Replacing aluminium windows in Hong Kong? Buildings Department rules classify full window replacement as minor works requiring declaration. Licensed contractor MWC 316/2021 Amgen Windows explains all 3 classes, the Class II process, and common FAQs.
Aluminium Window Types Guide: Casement, Sliding, Projected & Fixed — Features & Buying Tips
Choosing between casement, sliding, projected, or fixed aluminium windows? This guide covers all 4 types, their features, ideal uses, and how to choose the right style for your Hong Kong flat.
Aluminium Window Prices Hong Kong 2026: Replacement & Reglazing Costs + 3-Minute Online Quote
2026 Hong Kong price table for window replacement, frame-in-frame, full removal and reglazing (per sq ft / per window), plus scaffolding and declaration fees. Enter your window count for an instant preliminary quote; licensed contractor MWC 316/2021 measures on site.
URA Repair Subsidy Complete Guide: Old Building Owners Can Receive Up to $80,000
Old building owners in Hong Kong can apply for URA repair subsidies of up to $80,000, covering aluminium window replacement and waterproofing. Amgen Windows (MWC 316/2021) handles all documentation. Check eligibility and steps here.
Complete Guide to Aluminium Window Waterproofing: When to Act & What It Costs
Water seeping through windows, hardened weatherseals or loose handles? This guide covers warning signs, waterproofing services, costs and FAQs. Amgen Windows (MWC 316/2021) — free on-site assessment, all 18 districts.
Typhoon Tears Off Entire Window Sash: A Real Case for Why Regular Inspections Matter
During a typhoon, a neglected aluminium window sash fell off entirely — requiring fire services and police to attend. This real incident shows that regular window inspections are not optional, they are a responsibility.
Window Opens, Sash Falls: 5 Warning Signs Your Hinges Are Failing
A homeowner discovered their window sash fell off the moment it was opened — the hinges had completely failed. Learn the 5 early warning signs of hinge failure and act before an accident happens.
Typhoon Shatters Glass: How to Protect Your Windows Before and After a Storm
Shattered window glass during typhoons is a leading cause of home injuries. Learn how to protect your windows before a storm, and what to do if your glass breaks during or after a typhoon.
Complete Guide to Window Hinge Replacement: When to Replace & How to Choose
Window hinges are the critical component ensuring window safety. This guide covers 5 warning signs that indicate replacement is needed, and how to choose a high-quality 304 stainless steel hinge.
Pre-Typhoon Essential: 7-Point Aluminium Window Inspection Checklist
Before typhoon season, proper window maintenance is the first step in protecting your home. This 7-point checklist helps your windows withstand strong winds and heavy rain.
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