King size should be able to fit a HDB lift, what the workers can do is the warp the mattress into the lift, shouldn’t cause any damage to the foam/spring. alternatively, try hoisting up using rope pulley
People also ask
What size mattresses fit in an HDB flat lift?
All HDB flats have their lifts tailored to cope with queen size mattresses. King size will be a problem, especially 12-inch thick mattresses.
Can a King Size Mattress be delivered to an HDB flat?
King size will be a problem, especially 12-inch thick mattresses. If you purchase a mattress you will have to give your delivery address to the vendor, if he sees an HDB address he will explain to you the problem and surcharge for transporter to lift the mattress via staircase.
What size is a King Size Mattress?
The biggest of them all, a king-size mattress is almost square and in the US they measure 76 x 80. Elsewhere they can vary as follows: As you can see, the variation in size is quite significant.
Can you bent a King Size Mattress?
The majority of king sized mattresses are actually hinged in the middle for this exact purpose, so they can be bent without causing damage. To do this, use one or two ropes to tie and hold the folded mattress shut, and act as handles to help you haul it up the stairs.