Dr. Armor

Can you treat metal roofs?

Last updated October 28, 2026

Short answer

No. Metal roofs are not eligible for this treatment. The NuRoof range is built around asphalt shingles, and the coverage is written for that material. If your roof is metal, we will tell you at the assessment rather than sell you something that does not apply.

The range is built for asphalt

Every product we apply belongs to one range, and that range is designed around asphalt shingles. The way a shingle responds to a treatment, dries out, and ages is not the way a metal panel behaves, so a product built for one material does not transfer to the other.

That is why the answer is a flat no rather than a maybe. It is not a judgement about your roof. Metal roofs are long-lived and do their job well. It is simply a different surface with different behaviour, and this range was not made for it.

What that means for you

If your roof is metal, we cannot assess you into a treatment, and we cannot issue a warranty on one. A metal roof does not need rejuvenation the way an asphalt roof does, because it does not dry out in the same way: metal fails at fasteners, seams and coatings rather than through the shingle surface.

If you are not certain what is up there, that is worth settling before anything else. Shingle roofs are obvious from the ground, but a low-slope section, an addition or a porch can be something else entirely, and we check the whole roof at the assessment.

What we do work on

Roof work with us means asphalt shingle roofs, plus concrete driveways, patios and walkways. The concrete side is treated against salt, oil, moss and freeze-thaw, applied so the slab still breathes and stays slip-resistant.

The shingle side is the NuRoof range: Fortify, Fortify Elite, Revive and Boost, matched to the condition score your roof receives at the assessment.

How to tell what is up there

Asphalt shingles read as overlapping tabs with a granular surface, and they weather by shedding granules and drying out. Metal reads as long panels, seams or standing ribs, and it weathers at the fasteners, the seams and the finish rather than through the sheet.

From the ground the difference is usually obvious. Low-slope sections, porch roofs and additions are the ones that catch people out, which is why we look at the whole roof at the assessment rather than the one slope visible from the street.

Flat and membrane roofs

Flat and SBS membrane roofs are not part of the shingle range either. If your roof is low-slope, or the flat section over a garage or extension is membrane, tell us what you know about it when you request the assessment, and we will confirm what applies to each part of the roof.

Being straight about this early saves you a visit that goes nowhere.

The one thing worth doing next

If you are unsure of the material, or you have a mix of roof types on the property, request the free assessment and describe what you see. We confirm coverage for your area, look at the roof, and tell you what applies.

If the answer is that this is not your roof, we will say so at the visit. If part of the property is asphalt and part is not, we will tell you which part can be treated and which cannot.

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