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COLORSTEEL colours

LichenThe colour, not the growth.

Lichen is an earthy COLORSTEEL neutral with olive and khaki undertones, and NZ Steel pitches it at natural and rural settings. It reflects 42% of the sun's heat, a middle figure that keeps it cooler than the deep greens. If it's going on a farm building, what happens inside the building matters as much as the colour.

We don't show this colour on screen because screens get it wrong. Ask a roofer or supplier for a sample sheet.
Cooler (reflects more sun)Hotter

Reflects 42% of the sun's heat (total solar reflectance, NZ Steel figure).

Updated 28 October 2026 · Written by the Find My Roofer team · How we check our facts

What does Lichen look like?

NZ Steel describes an earthy neutral with olive and khaki undertones. It sits somewhere between green and brown, which is why it blends into paddocks, bush edges and tussock.

You'll only find it in the Classic finish. And the name does cause confusion: choosing Lichen won't stop real lichen growing. That comes down to shade, moisture and upkeep.

Going on a farm shed or barn?

NZ Steel treats some buildings as special environments, including sheds for intensive animal farming. If that's the plan, ask the roofer to confirm the product and warranty with NZ Steel before anything is ordered.

The warranty also excludes damage from contact with soil, ash, fertiliser or saltwater. Keep fertiliser well away from the sheets and the spouting (gutters).

Heat and brightness

A TSR of 42% puts Lichen mid-range: Cloud reflects 69% of solar heat and Ebony 5%. Higher TSR means a cooler roof. Its LRV is 28%, so it looks muted from a distance without being dark.

What we'd choose

For a rural home or lifestyle block where the roof should fade into the land, Lichen is a strong candidate. We'd look at a sample outdoors against the paddock or bush behind the house, never just on a screen, which NZ Steel says won't match the real thing. We're not affiliated with NZ Steel in any way.

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Questions

Straight answers.

Can I use Lichen in Queenstown's rural zones?
Not without resource consent, under Queenstown Lakes District Council's Proposed District Plan. It caps roof LRV at 20% in the Rural Residential and Rural Lifestyle zones, and Lichen's is 28%. Check your own district plan before ordering.
What about the coast or a geothermal area?
Lichen is made in MAXAM and ALTIMATE. NZ Steel lists ALTIMATE for extreme marine, volcanic and highly corrosive sites, but says MAXAM has performed well in a geothermal area too. Your roofer should confirm with NZ Steel which suits your site.
How do I tell real lichen from dirt on my roof?
NZ Steel's spot test is a drop of fresh household bleach: if the dark patch disappears, it's lichen or fungus. If that means going up there, leave it to a roofer. Our moss and lichen guide covers treatment.

Where this information comes from

Every fact and rule on this page comes from the sources above, checked on the dates shown. How we write and check these pages.

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