TPO restoration
TPO coating depends on preparation and adhesion
An existing TPO membrane can be a candidate for a compatible restoration system. The roof needs to be dry and tight, with damaged areas repaired. Because TPO can be difficult to bond to, cleaning and adhesion testing are central to the decision.
01 / Evaluate
Qualification comes before material selection
The evaluation reviews seams, flashing, membrane condition, drainage, and moisture. Test patches help establish whether the proposed coating adheres and whether a primer is needed.
- Identify wet membrane or insulation
- Review seams and perimeter details
- Clean and test coating adhesion
- Confirm manufacturer requirements
02 / Plan the work
Treat TPO as a system
A manufacturer-guided scope may replace wet areas, repair open seams with like material, clean the roof, detail penetrations and drains, and apply primer and coating where specified.
- Repair membrane defects first
- Remove wet materials
- Verify adhesion
- Document the compatible assembly
03 / Know the limit
New or failing TPO may need another route
A coating is not automatic for every TPO roof. Membrane condition, age, moisture, drainage, and adhesion results may rule out restoration or change the proposed system.
Questions and answers
Questions about TPO restoration
Roof condition determines the recommendation. An evaluation can answer questions specific to your building.
Check my roof →Can TPO be coated with silicone?
Some aged TPO roofs can be restored with a specified silicone system after qualification, repairs, cleaning, and adhesion testing.
Why do an adhesion test?
It checks whether the coating bonds to the prepared membrane and helps determine if primer or another approach is needed.
Can wet insulation stay under a coating?
No. Identified wet areas need to be addressed before a restoration system is applied.
Before you decide
Can your roof be restored instead of replaced?
Tell us about the roof and its current problems. Higher Roof Solutions can help determine whether this approach fits.