The short answer
Plan on recoating a foam roof roughly every 5 to 10 years. Thicker, better coatings on roofs that drain well last toward the long end; thin coats on sunny, ponding roofs wear out sooner.
What wears coatings out here
| Factor | Effect |
|---|---|
| High-altitude sun | UV breaks down the coating surface year after year |
| Ponding water | Softens acrylic coatings where water sits |
| Wind and blowing dust | Scours the surface, especially on exposed mesa homes |
| Foot traffic | Paths to coolers and HVAC wear through quickly |
| Hail | Can fracture the coating in one storm |
| Thin application | The biggest factor of all |
Check it every year
You don't need a calendar so much as an annual look. Each spring or fall, check for:
- Color: bright white is good; gray or chalky means wearing
- Cracks, crazing or peeling
- Any tan or brown foam showing
- Bare spots around vents, coolers and parapet corners
If you'd rather not climb up, a flat roof inspection answers it in under an hour.
Too early vs. too late
Recoating a little early wastes a few years of the old coat's life. Recoating too late lets foam erode, and then you're paying for foam repairs too — or a whole new foam roof. Early is the cheaper mistake.
Touch-ups in between
Worn traffic paths and damaged spots can be patched and coated between full recoats. That keeps small problems from becoming leaks.
Not sure where yours stands? Call (505) 886-8732.
Common questions
Can a foam roof last 30 years?
Yes. Many do, with recoats every several years and repairs as needed.
Does a second coat last longer than the first?
It depends on the coating and thickness, not the number of coats. Proper prep matters most.
How do I know when my roof was last coated?
Check home purchase records, or have it inspected — wear tells a lot.