Aluminium Windows, Sliding & Folding Doors | Inspection, Replacement & Repairs

MWIS was fully implemented on 30 June 2012 for private buildings aged 10 years or more, excluding residential buildings not exceeding three storeys. Once served a statutory notice, owners must appoint a QP to personally inspect all windows and supervise necessary prescribed repairs.

From the notice issue date: appoint a QP within 3 months and complete inspection and repairs within 6 months. Common areas have 9 months; buildings without an owners' corporation generally receive an extra 3 months. Request extensions in writing with reasonable grounds.

No. It usually precedes the statutory notice by 1–2 months. Legal obligations arise upon service of the statutory notice, but you can compare quotations and arrange meetings earlier.

Registered Authorized Persons, Structural Engineers, Inspectors, General Building Contractors and Minor Works Contractors with the relevant window scope may qualify. The QP must inspect personally. SK Fung's registration is MWC(W) 42/2014.

Glass breakage, frame and sash deformation or instability, opening operation, hinge defects and corrosion, loose or missing rivets and screws, powdering, locks, handles, gaskets and silicone.

Under the September 2025 forms: WI1 covers appointment and completed inspection / repair by the same QP; WI2 covers appointment and inspection where a different QP supervises repairs; WI3 covers appointment and repair supervision. FPN1 is used to dispute the relevant section 40(1BD) offence.

Three: inspection with no repairs required; completed inspection and repairs with some flats needing repairs; and completed inspection and repairs with all flats needing repairs. Choose the appropriate sample.

Address or notice mismatch; missing names or signatures; incorrect certificate dates; incomplete or wrong registration numbers; signatures differing from records; and WI2 without an inspection report. Defective forms are returned without further processing.

Yes, through the Department's electronic form platform. Mobile drafts must be retrieved on desktop within 24 hours to finish. Follow the latest form-page instructions.

After warning, a HK$1,500 fixed penalty may be issued. Persistent offenders may face prosecution, HK$25,000 and 3 months' imprisonment, plus HK$2,000 per continuing day. Department-arranged inspections and repairs may be charged to owners with supervision costs and up to 20% surcharge.

Public guidance states that since July 2024 notices should be issued within 6 months of the compliance deadline. Do not delay overdue inspections.

Use FPN1 where applicable. Follow Department instructions and the notice for procedure, deadlines and supporting grounds.

Failure by a QP to inspect personally may incur HK$250,000. Unqualified inspection may incur HK$100,000 and 6 months' imprisonment. Verify qualifications before appointment.

No. Clear obstructions so the QP can inspect every window and its hardware, avoiding another visit.

MWIS concerns all windows in qualifying private buildings aged 10 years or more, inspected personally by a QP. Building inspections cover structures, external walls and common facilities at a higher age threshold, led by a Registered Inspector. Non-compliance with a building inspection notice can incur HK$50,000 and 1 year's imprisonment.

Late-2024 proposals included increasing the maximum fine to HK$100,000 and fixed penalty to HK$3,000, retaining 3 months' imprisonment. These were proposals; consult the Department's latest announcements.

The Department confirms completion by letter. Industry guidance indicates a further notice no earlier than 5 years later; actual timing is determined by the Department.

Not always. Sound existing frames and surrounding walls may allow frame-over-frame replacement with less dust, noise and time, but a smaller clear opening. Severe deformation, corrosion or frame-to-wall leaks usually favour full replacement.

Whole-home replacement suits widespread ageing or renovation and provides consistent glass, profiles and openings. Single-sash replacement is economical for isolated damage. Assess each window on site.

The series describes profile dimensions and design. Compare thickness, cross-section, glass capacity and wind performance rather than the number alone. We recommend profiles for the opening size, floor level and wind exposure.

Toughened, laminated, double, acoustic, Low-E and frosted glazing. Consider acoustic glazing near traffic, Low-E for strong sun and frosted glass for privacy. Windows acting as barriers require testing evidence to BS EN 12600:2002 Class 1 or better, without breaking during testing.

Department conditions specify ISO 9001-certified manufacture and heat-soak treatment of every pane to BS EN 14179-1:2016 or equivalent, with thermocouples calibrated every 6 months. This addresses the small risk of spontaneous NiS-related breakage.

Salt and humidity in coastal and high-rise homes accelerate corrosion. Stainless steel extends durability; specify compatible screws so fixings do not fail before the hinge. Hinge defects and severe corrosion are inspection criteria.

Check frame-to-wall silicone, weather gaskets, drainage blockages, sash fit and locking, then external plaster and sill cracks. Choose injection, gasket renewal, hardware adjustment or frame replacement only after diagnosis.

Even droplets on cool mornings usually mean condensation, requiring ventilation or double glazing. Rain-related water following a specific joint or frame base indicates leakage. The remedies differ.

Renew aged gaskets and adjust hardware for noise. Clean tracks and replace worn rollers or deformed hinges for sticking. Full replacement may be unnecessary.

Yes: hinges, locking levers, angled handles, handles, locks, rollers and weather gaskets. Most common hinge, screw and seal failures can be addressed with replacement parts.

Many can be completed from inside with suitable fall protection and temporary enclosure. Large, exposed or complete-frame replacements may require scaffolding or suspended access; coordinate with management and include costs and arrangements in the quotation.

Yes, under Class I 1.60, Class II 2.8 / 2.9 or Class III 3.6 / 3.7 according to location, dimensions and structure. No prior plan approval is required, but prescribed appointments and timely submissions apply.

Classes I and II require MW01 / MW03 at least 7 days before commencement and MW02 / MW04 within 14 days after completion. Class III requires MW05, descriptions or plans and photographs within 14 days after completion.

Factors include window count, type and dimensions, profiles and glass, hardware quantities, replacement method, floor and access method, plaster repairs and submission services. We provide free site inspection, measurement, design and quotations.

The corporation or management normally has 9 months from notice. Appoint a QP, approve works and cost allocation at an owners' meeting, and schedule inspections. We provide building-wide checks, flat records, repair quotations and submission support.

The owner is legally responsible. Coordinate access with tenants, ask them to clear furniture and retain communication records; arrange early to protect the deadline.

Yes. Plan tracks and frames with new windows for accurate alignment and a tidy finish. Consider child or pet screens where needed, while preserving window operation and future access to hardware for inspection.

SK Fung is a Registered Minor Works Contractor, MWC(W) 42/2014, with window inspection qualifications and technicians holding CIC Aluminium Window Skill Test certificates. We coordinate inspection, repairs and submissions. Browse actual photographs in the aluminium windows / sliding doors / folding doors gallery.