Side by side
| Coating | New TPO membrane | |
|---|---|---|
| Cost | Lower | Higher |
| Disruption | Minimal | Tear-off required |
| Requires a dry roof | Yes | Wet material is removed |
| Adds insulation | No (unless foam is added) | Yes, with insulation board |
| Fixes poor slope | Only with foam | Yes, with tapered insulation |
| Season | Warm, dry weather | Wider range |
Choose a coating when
- The roof is dry and mostly sound
- Problems are limited to the surface, seams and details
- Budget is a priority
Choose a new membrane when
- Insulation or decking is wet
- The roof already has the maximum number of layers
- Drainage needs to be rebuilt
- You want to add insulation
See flat roof replacement and flat roof recoating.
Call (505) 257-2289. We'll tell you which fits your roof.
Common questions
Can a TPO roof be coated later?
Yes, with compatible products, to extend its life.
Which lasts longer?
A new membrane generally lasts longer before major work. A coating needs renewal every several years but costs less each time.