Roof coating systems are the fastest growing segment in the roofing industry. The advantages of coating a roof over full replacement are many. A few of the biggest pros are coating is less expensive, will make your roof energy efficient, will not disrupt your business activities, and is considered a repair, and as such, comes with permitting and tax advantages.
In many situations, roof coating is as good or better than the full replacement of a commercial flat roof. Here are five reasons why you should consider coating your roof rather than replacing it.
1. A Single, Continuous Membrane
Roof coating is a liquid applied membrane that forms one seamless membrane. Because of this there are limited areas were water and moisture can seep through the roofing system. Correct application requires the existing surface of the roof to be thoroughly cleaned and dried. Any moisture below the existing membrane must also be repaired to prevent vapor from effecting the new coating system. An advantage of a coating system is it will seal up any small holes and pinhole leaks that may not be visible to the naked eye.
2. Can Save You 50%+ over the Cost of Replacement
The cost of coating a roof varies depending on the existing roof type, conditions below the existing membrane, and extras such as bleed blocking and walk paths. In general the price of coating is between $4 and $6 per square foot. Full roof replacement with a TPO or EPDM roofing system will cost you between $10 and $15 per square foot.
3. Increases the Energy Efficiency of Your Roof
By coating your roof with white material you gain the added benefit of making your roof highly energy efficient. Roof coating will reflect the majority of the the sun's UV rays and heat. Keeping your roof cooler, especially in summer months.
4. Extends the Life of your Existing Roof
Coating systems can extend the life of your existing roof by decades. Silicone roof coating systems once applied can be expected to perform for 10-20 years. In most cases the silicone membrane can be washed and recoated many times, extending the life of the roof over and over again.
5. Minimal or No Business Disruption
When doing a flat roof replacement you need to not only factor the cost of materials and labor, you also have to factor in the cost of slowing down or stopping your business. Noise, dust, material storage, extended installation times are all associated with full roof replacement. Coating application is cleaner, is much quicker, and produces very little noise.
6. A More "Green" Process
Coating systems are considered more green because the process produces little to no waste. Full tear off roof replacement results in tons of materials that must be disposed of in landfills and dumps.
7. Extremely Durable Product
Liquid applied single layer silicone coating systems have no seams and by nature are strongly adhered to the surface they are installed on. Because of this coating systems will not be damaged or lifted by extreme winds. Coatings membranes can also handle moderate water pooling. Water has a way of finding a way into your building. Seamed roof systems make water penetration very easy and in the long run costly doing repairs on a regular basis.
8. Coatings are Considered a "Repair" or "Maintenance" Project
Because roof coatings are considered a repair, there are some distinct advantages. Most government agencies do not require permitting for repairs. There are distinct tax advantages to building owners for repairs vs. replacement projects. Namely repairs can be deducted 100% in the year they are done. A replacement project is depreciated over many years. (Consult your tax professional regarding these differences). And finally a repair, as mentioned, requires little to no business disruption.
Intelligent building owners are turning to roof coating instead of full replacement. If your building qualifies there are some huge advantages that can not be ignored.