If you've been quoted by three different contractors for a new roof, you've probably been told three different things — usually because each contractor specialises in whichever material they happen to install. Here's our take after twelve years of doing both.

Upfront cost

Per square metre installed, metal sheeting in Malaysia today runs roughly RM 75–110 supply-and-fit, while concrete tile sits at RM 95–140 and clay tile at RM 130–190. That makes metal cheaper than tile in nearly every scenario, often by 15–25% across a whole project.

But upfront cost is the easy comparison. The harder one is lifetime cost.

Lifetime cost

A well-installed clay tile roof in the Klang Valley typically delivers 35–45 years of useful life with one mid-life restoration. A concrete tile roof, 25–35 years. Painted metal sheeting (Colorbond or equivalent), 18–25 years. Unpainted galvanised metal, more like 12–18.

Run the numbers across 50 years of homeownership and tile usually pulls ahead — but only marginally, and only if you actually maintain it. A neglected tile roof underperforms a maintained metal roof. Don't pick tile because someone told you it lasts forever; it doesn't.

The heat question

This is the one Malaysian homeowners ask first, and the answer is uncomfortable: metal is hotter under direct midday sun, by about 8–12°C measured at the underside of the roof deck. But — and it's a big but — properly insulated metal with reflective backing performs nearly identically to tile in terms of interior comfort, because the heat doesn't transfer into the attic.

So: metal without insulation is hotter. Metal with proper insulation is comparable. Tile with proper insulation is marginally cooler. The biggest variable is actually whether you have ceiling insulation at all — and most older Malaysian terraces don't.

Noise

Metal is louder during heavy rain. Anyone who tells you otherwise hasn't slept under one during a Klang Valley downpour. The difference is mitigated by ceiling insulation (which most people install anyway, for the heat) but never eliminated. If you sleep poorly, this matters.

Wind and storm performance

Modern screwed metal sheeting outperforms tile in high-wind events, by some margin. We've replaced more wind-lifted tiles after Klang Valley thunderstorms than we have lifted metal sheets — and the metal failures are usually traceable to bad installation rather than the material itself. If your home is exposed (hilltop, end of a row, near open land), metal has the edge.

Aesthetic

This is the most subjective category and arguably the most important. A clay or concrete tile roof reads "established home" in the Malaysian visual vocabulary. A metal roof reads "modern" or "industrial". Neither is wrong, but they signal different things, and they affect resale value in different neighbourhoods. In Damansara Heights or Bukit Tunku, expect tile. In a newer KL South development, metal is increasingly standard.

The honest recommendation

If you're staying 10+ years and you can afford it, tile usually wins. If you're staying 5 years and selling, metal usually wins. If your house is in a quiet neighbourhood and you sleep lightly, tile. If your house is exposed to high wind, metal. If your budget is tight, metal. If your roof is a major architectural feature, tile.

And — controversially — most of the time, the right answer is to match what's already there. Mixed-material roofs on heritage Malaysian housing look awkward, and the cost of changing system (different battens, different fastenings, different gutter integration) usually wipes out any material savings.