If your commercial roof in Minot, ND is aging but still sound, a professional roof coating system may extend its service life without a tear-off. If the roof has deeper problems, a coating can hide them instead of solving them. This guide explains how to tell which situation you are in.
Mid-West Roofing Systems provides acrylic coating and restoration for commercial buildings in Minot and the surrounding area. The short answer: coating is a good fit when the roof is dry, well bonded, and draining properly, and the wrong choice when insulation is saturated, decking is damaged, or water stands on the surface. To have your roof assessed, call 701-500-9399.
When Commercial Roof Coating Makes Sense
Commercial roofs endure UV exposure, wind, hail, snow, and ice. Over time these conditions cause cracks, open seams, and leaks. A coating creates a seamless, protective barrier over a sound existing roof and can seal minor vulnerabilities before they grow.
Unlike a tear-off and replacement, a coating is applied over the existing surface. For a qualifying roof, that can mean less disruption to the building and a lower project cost than replacement. Whether your roof qualifies is decided by its condition, not by its age alone.
Key Benefits of Roof Coatings
Added service life
A coating can extend the life of a roof that is otherwise sound. How much it adds varies with the roof’s condition, the coating system, the preparation, and the application, so added service life should be estimated from the inspected roof and the proposed system.
Reflectivity and energy use
Reflective coatings can reduce heat absorption and may lower cooling demand in summer. The effect depends on the product, the building, and how much it is cooled, so treat savings as a possible benefit and not a guarantee.
Seamless waterproofing
A coating forms a continuous surface over the roof, which helps shed water from snowmelt and summer storms. It works on a roof that is already sound. It does not replace repairs to a roof that is failing.
Cost compared with replacement
Coating often involves fewer materials and less labor than replacement, which can make it a practical option for a qualifying roof. Compare written scopes, not only totals.
Roof Coating Options
Mid-West Roofing Systems provides acrylic coating and restoration for commercial roofs. Acrylic coatings can provide UV-resistant protection on suitable commercial roofs, and recoating may be possible if the existing coating and substrate remain sound. Other coating chemistries exist and are suited to different conditions, so ask any contractor which product they propose for your roof and why. The manufacturer’s written product information should come with the proposal.
Roofs differ in what they can accept. Coatings are sometimes applied over metal, EPDM, TPO, PVC, built-up, and modified bitumen roofs, and each surface has its own cleaning, primer, and compatibility requirements. Compatibility is confirmed for your specific roof, not assumed from the material name. A spray polyurethane foam roof is a different roofing system requiring a suitable protective coating; our spray foam roofing page explains it.
Restoration, Repair, or Replacement?
The table below shows the conditions that usually decide the path. It is a planning aid, not a substitute for an on-site assessment.
| Condition | Coating may be appropriate when | Repair or replacement is more likely when |
|---|---|---|
| Moisture | Insulation and deck are dry | Insulation is wet or saturated |
| Adhesion | The surface is firmly bonded and can be cleaned | The membrane is blistered or separating across large areas |
| Substrate | The deck is solid and defects are limited and repairable | Decking is soft or rotted, or damage is widespread |
| Drainage | Water drains properly | Ponding persists because of low spots or drain problems |
| Compatibility | The coating suits the existing roofing material | The material cannot be coated reliably |
A coating does not correct ponding-water drainage defects, rotten decking, or saturated insulation. Those need repair or replacement first. If water is already entering the building, flat roof repair in Minot may be needed before any coating is applied.
The Mid-West Approach
Mid-West Roofing Systems is a locally owned commercial roofing contractor founded in 2012. Learn about the company. A coating project starts with a roof inspection to see whether coating is the right solution at all. If it is, the work follows a sequence:
- Preparation: the roof is cleaned and prepared for the product being used.
- Repairs: seams, cracks, flashing details, and other defects are repaired before coating.
- Application: the coating is applied according to the manufacturer’s instructions, including substrate preparation and required application thickness. Cold or wet weather limits when this can be done, so the schedule should allow for delays.
- Acceptance: the finished work is reviewed against the agreed scope, with before and after photos and a record of the repairs made.
- Follow-up: plan follow-up inspections at intervals appropriate to the installed system and its written maintenance requirements to check performance and spot new defects.
For an overview of the other services we provide in the area, see our commercial roofing services in Minot page.
Is Roof Coating Right for Your Building?
Roof coatings suit many flat and low-slope roofs, but not every roof qualifies. If the deck or insulation is severely damaged, replacement may be necessary. The best way to know is an on-site inspection, and the findings should determine whether coating, localized repair or replacement is appropriate. To arrange one, call 701-500-9399.
Frequently Asked Questions
How long does a commercial roof coating last?
It varies with the roof’s condition, the coating system, the preparation, and upkeep. Ask for the manufacturer’s written product and warranty information for the specific system proposed.
Will a roof coating stop existing leaks?
It can seal minor cracks and seams on a sound roof. It cannot address wet insulation, damaged decking or underlying drainage defects. Those conditions require their own corrective work.
Can roof coatings be reapplied?
Coating systems can typically be recoated as the surface wears, after cleaning and repair. The manufacturer sets the requirements.
When should a roof not be coated?
When insulation is saturated, decking is damaged, compatibility fails or significant drainage defects remain. Those conditions require correction before coating is considered.