Five-star hotel ballroom & lobby, Cantonments
Diamond-polished concrete across 1,400 m² of ballroom and pre-function space. Specified to anti-slip rating R10 with matched mirror sheen across the threshold transitions. Delivered ahead of the property's relaunch event.
Project Profile
| Field | Detail |
|---|---|
| Sector | Five-Star Hospitality — Ballroom and Main Lobby |
| Location | Cantonments, Accra |
| Scale | Approximately 2,400 m² across ballroom floor plate, arrival lobby, and connecting prefunction corridors |
| Scope | Sub-floor preparation, premium marble installation, polished stone transition detailing, skirting, and multi-stage quality sign-off |
| Timeline | 11 weeks — phased to accommodate live hotel operations in adjacent wings |
Specification Challenge
A premier hospitality property in Cantonments engaged the Floors GH project office to re-floor its ballroom and arrival lobby ahead of a rebranding to five-star positioning. The brief carried three compounding demands that placed this project among the most technically intensive on our Tier-1 client roster.
First, the existing concrete sub-floor exhibited significant moisture variance across the slab — a condition that, left unaddressed, guarantees adhesive failure and tile delamination within eighteen months of handover. Second, the ballroom demanded continuous large-format marble panels without visible grout interruption across the 1,600 m² main floor plate — a specification that tolerates no substrate deviation. Third, the client’s operational calendar allowed zero disruption to the hotel’s functioning restaurant and conference floor located directly above. All work was constrained to defined access windows, with full debris removal before each morning’s guest activity.
Approach
The project office mobilised a specialist installation team in two concurrent cells — one for the lobby and prefunction corridors, one for the ballroom — coordinating sequencing so that substrate work in one zone never delayed finishing in another.
Sub-floor moisture readings were conducted across a 200 mm grid pattern per ASTM F2170 protocols. Seventeen zones returned readings above the threshold for direct adhesive application. These were treated with a moisture-mitigating primer system before any tile bed was laid, with written sign-off recorded at each zone prior to progression.
ICRI CSP verification followed on all treated surfaces, confirming the profile tolerance required for specification-grade adhesion of the large-format marble panels. The ballroom’s 900 mm × 1,800 mm panels were installed using a back-buttered, notched-trowel methodology that eliminated voids beneath tile faces — a detail that separates durable ballroom-grade installation from standard commercial work.
Transition zones between the marble lobby and the ballroom threshold received hand-cut premium stone inlay borders, designed by our project office to align with the property’s interior architecture. A four-stage QC gate — substrate, primer, tile bed, finish — was documented at each phase before the subsequent trade was permitted to proceed.
Outcome
- Full 2,400 m² delivered within the 11-week programme, with zero overrun against the client’s rebranding calendar
- Zero post-handover defect reports at the 12-month inspection — the installed floor performing at specification under daily five-star ballroom and event load
- The moisture-treatment programme eliminated the primary failure risk present in the original slab, providing a substrate warranty that underpins the written guarantee issued at handover
- Client’s design team confirmed all transition and border details met the original interior specification without amendment
What This Project Demonstrates
Premium hospitality flooring at the five-star tier is not a finishing trade — it is a precision construction discipline. The ballroom and lobby represent the first material impression a guest forms of an institution’s standard. Getting that impression right requires moisture science, substrate engineering, and installation methodology that holds under sustained ceremonial and event load. Since 1972, the Floors GH project office has delivered this calibre of work for Ghana’s most demanding hospitality, diplomatic, and financial interiors — because where premier institutions step, the floor must be equal to the occasion.