| Durability |
ExcellentWon’t rot, split, creep or warp. Keeps its strength for the life of the building. |
FairRots, warps and splits over time, especially in humid climates. |
GoodLong-lasting, but can crack with settlement and movement. |
| Fire |
ExcellentNon-combustible. The frame won’t add fuel to a fire. |
PoorCombustible. Needs treatment or lining to slow fire spread. |
ExcellentNon-combustible. |
| Termites |
ExcellentNothing for termites to eat. |
PoorA major risk in Malaysia. Needs chemical treatment and inspections. |
GoodWalls are safe, but timber roof frames and fittings are still at risk. |
| Moisture / Humidity |
ExcellentZ275 galvanized. Doesn’t absorb water, swell or grow mould. |
PoorAbsorbs moisture, then swells, rots and grows mould. |
FairPorous. Can hold damp, stain and grow mould on walls. |
| Build speed |
ExcellentPre-cut, pre-punched and screw-fixed. No curing time. |
FairMeasured, cut and fitted by hand on site. |
PoorSlow wet trades: laying, curing and plastering. |
| Weight |
ExcellentLight to handle, with a high strength-to-weight ratio. Lighter loads on foundations. |
GoodLight to moderate. |
PoorHeavy. Needs bigger footings and more handling. |
| Dimensional consistency |
ExcellentRoll-formed to tight tolerances. Every piece straight and identical. |
FairVaries piece to piece. Shrinks and twists as it dries. |
FairDepends on workmanship. Walls need plaster to true up. |
| Recyclability |
ExcellentSteel is fully recyclable, including offcuts. |
FairTreated timber is hard to recycle. |
FairMostly ends up as rubble or fill. |
| Site waste |
ExcellentMinimal. Cut to length in the factory. |
FairOffcuts and rejected crooked pieces. |
PoorBroken blocks, mortar, bags and wet waste. |