
HDB lift door opening is the real limit at roughly 90cm wide by 209cm tall. Standard HDB door measures 91.5x213cm but corridor turns often dictate the final fit for larger units. You'll leave a 2–5cm buffer when planning the entry path for bulky frame parts to avoid damage.
Warranties usually cover the frame and defects but exclude fabric wear or humidity damage. New foam can off-gas a faint smell for a week or two after assembly starts. You'll need to check specific terms before expecting full protection against moisture issues inside the flat.
Single-over-Single frames fit most HDB common bedrooms measuring around 12 sqm comfortably. Standard length is 190cm while Single width is 91cm, leaving necessary clearance. You'll ensure ~60cm clearance on the exit side for comfortable movement between beds.
Solid-wood or plywood frames outlast particleboard in Singapore's typically 80%+ humidity environment. Untreated leather grows mould without wiping and ventilation while sun hits natural timber hardest over years. Rubberwood is a common affordable hardwood option resisting local weather conditions well for families.
