Sai Ying Pun 1968 Building Wall Bed Install — 4 Companies Refused, We Accepted
Why this case matters
Hong Kong has thousands of 1960s-1980s residential buildings — Mei Foo (1968), City One (1972), Kwai Fong (1975), Sai Ying Pun walk-ups (1965-1975), and similar. Most wall bed installers refuse these buildings outright. The reason: failure liability. Standard wall plug + screw anchoring fails on red brick or sound-insulation hollow walls within 6-12 months of daily wall bed use.
This case demonstrates the proper engineering approach for 1960s-1980s HK installations — and why it matters.
The owner's situation
Owner: a single woman in her 50s, professional. Bought the 420 sqft 1968 Sai Ying Pun unit in 2022. Bedroom layout had always felt cramped; she wanted to convert master bedroom to a flex space (yoga in morning, sleep at night).
She contacted 4 wall bed installers in 2024:
- Installer 1: Visited, looked at the wall, said "we don't do 1960s buildings" without further explanation. 10-minute visit.
- Installer 2: Quoted standard install ignoring building age. When pressed about the wall structure, admitted they'd "just use longer screws". Owner declined.
- Installer 3: Refused via email after seeing the building photos. Polite but firm: "we don't accept pre-1990 walk-ups due to insurance restrictions."
- Installer 4: Quoted a price 40% lower than typical, with "no warranty if installed in pre-1990 building". Owner declined.
She found us via a friend who'd installed in a Mei Foo 1972 unit. We did the structural assessment first.
Our structural assessment
Our 60-min site visit identified:
- Wall composition: red brick + sound-insulation hollow wall (typical 1960s HK construction)
- Wall thickness: 12cm with hollow interior
- Surface integrity: good (no cracks)
- Adjacent ceiling: 2.5m, sound for vertical wall bed
- Existing electrical: 1 outlet on intended wall, unobstructed
- Floor: level, sound for installation
Conclusion: Installation feasible WITH structural reinforcement. We engaged a HK-registered AP/RSE structural engineer to design and certify the reinforcement.
Reinforcement engineering
The engineering solution:
- 60×60cm × 6mm steel plate mounted to the back of the wall bed mounting zone
- Plate distributes the wall bed mounting load across multiple wall sections
- Anchor pattern: 8 anchor points distributed in a pattern designed for hollow-wall load distribution
- Häfele Pro Series hardware (4,500-cycle test rating, 750kg load capacity)
- Independent structural certification: AP/RSE-registered HK structural engineer signs off on the reinforcement after install
- Owner keeps the structural certificate as a property record (also valuable for future resale)
Total cost breakdown
| Item | Cost (HKD) |
|---|---|
| Queen wall bed frame + Häfele Pro Series hardware | 32,800 |
| 60×60cm × 6mm steel plate reinforcement (custom-cut for HK supply) | 3,600 |
| AP/RSE-registered structural engineer (assessment + sign-off) | 1,200 |
| 200mm pocket-spring mattress | 2,800 |
| Estate management approval submission (Sai Ying Pun small estate) | 2,000 |
| Installation labor (5 hours, 2 technicians, includes plate mounting) | included |
| Standard finish + 3D rendering + 60-min site visit | included |
| 10-year warranty | included |
| TOTAL | HKD 42,400 |
Note: The structural reinforcement add-on (HKD 4,800 typical) is presented here as separate line items (steel plate HKD 3,600 + engineer HKD 1,200) for transparency. Most quotes bundle these as a single line.
Timeline (week by week)
Owner quote
"After 4 rejections I'd given up. Then I heard about your team. The structural engineer thing seemed unusual at first — none of the other quotes mentioned it. But it made sense once explained. Now 1 year on, the bed is still smooth and I have a structural certificate I can show any future buyer." — Owner, Sai Ying Pun (anonymized with consent)
The outcome (1 year post-install)
- Mechanism integrity: 100%. Gas piston still smooth. No play in mounting. Steel plate showing no signs of stress.
- Daily use: Owner deploys + stows once daily. Total operations to date: ~365 cycles (out of 4,500 hardware-rated cycles).
- No warranty claims.
- Certificate value: Owner mentioned the structural certificate when listing the unit's energy performance certificate package — adds documentation value.
- Year-2 free check-up: Scheduled.
Could your 1960s-1980s HK building work?
Most do, with the right engineering approach. Buildings we've installed in include:
- Mei Foo Sun Chuen (1968)
- City One Sha Tin (1972)
- Kwai Chung older blocks (1975)
- Sai Ying Pun walk-ups (1965-1975)
- Various pre-1980 South Horizons / Wah Fu / Lai King buildings
The free site visit identifies wall composition + structural feasibility. If the wall isn't safe, we tell you upfront and don't accept the job. This protects everyone.
Got an Old HK Building? Free Structural Assessment
Tell us your building name + year (or address). We assess feasibility, design the reinforcement if needed, and quote everything upfront.
+852 4423 7445