Repairing or replacing a roof is a major undertaking, and overall value is a major consideration. Roof restoration systems and roof coatings are quickly becoming a popular choice over tear-offs, as they can drastically lower costs, and the impact on the environment. Choosing the right roof coating manufacturer is important, but you also have to know which options are best for your situation and current roofing materials.
Repair vs. Replacing
Many factors go into deciding whether you can get away with making repairs rather than replacing the roof. In most cases, your best bet is to contact a professional for an inspection to make sure all potential problems are addressed. Having a professional assessment will make sure you have a trained eye available that can notice signs of leaks and damage. Professionals typically have specialized scanners that can show areas of wet insulation as well, which can indicate the need for replacement.
The overall conditions of your roof and the surroundings all play a role in determining the best roof coatings to use. You will need to consider a number of factors, including:
- Current conditions, including areas of damage
- The location and slope of the roof
- Whether there are areas of polling water
- Overall exposure to UV rays, high heat, and chemicals
All of these will have a considerable impact on which coatings or roof sealants to use for the job. There are a variety of options available, and each is better suited to specific conditions.
Understanding Roof Coatings
There are several different types of roof restoration coatings available, and each has its own benefits and drawbacks. The following are some of the most common choices available:
- Silicone – Silicone is often used over polyurethane foam in areas of extreme temperature fluctuations and UV exposure. After application, the area has a slick surface. The drawbacks include a high rate of dirt pickup, very little resistance to abrasions, and they can only be recoated with silicone products.
- Acrylic – This type of roof coating is water based, environmentally friendly, and protects against UV exposure. It is often used in roof restorations where reflectivity is required for lower energy costs. It does not have the best resistance to damage, and ponding water can be a problem.
- PVDF – Polyvinylidene Fluoride based coatings are water-based, and are frequently used with metal roofs. After application, the roof coating has good resistance to dirt, and maintains high levels of reflectivity and UV protection. It also withstands prolonged direct sunlight exposure without breaking down or discoloring.
- EPDM – This is a common choice in roof coatings due to its ability to withstand extreme temperature changes, and because it provides exceptional protection against UV exposure, water, and chemicals. It also has an exceptionally long life, with many roof restorations lasting for a minimum of 30 years.
Each of these roof coatings have their benefits and drawbacks. The best choice will depend on your current roofing needs, and the conditions under which it must function. You should always talk with a professional before buying to make sure you are choosing the best option.