How long does elastomeric roof coating last?
The traditional model was to tear off the aging roof and replace it after 15 or 20 years. “Elastomeric coatings could last the lifetime of the building with regular maintenance,” Dow says. Maintenance is limited to occasional cleaning with a hose or power washer and reapplying the coating every 10 or 15 years.
Is elastomeric roof coating good?
A quick recap of what an elastomeric roof coating is Usually, these roofs are in good working order with minimal leaks, and their warranty is about to expire. A building owner installs an elastomeric roof coating for a few reasons: it’s more cost-effective than a complete tear-off.
Does elastomeric roof coating seal leaks?
Elastomeric coatings are effective in sealing roof leaks and preventing existing damage from worsening. Since they are durable and have a range of beneficial properties, they can be applied to the roof during any season.
How much does a 5 gallon bucket of roof coating cost?
Most of them are priced in the range of $100 and up for about 5 gallons of coating solution. Roof coatings come in different categories; you can find a low-quality roof coating material for an affordable price while more premium products will cost more.
Can you walk on elastomeric roof coating?
In warm, dry conditions, the roof may be dry in a few hours; in humid conditions, it can take longer. Generally speaking, most elastomeric coatings will be dry to the touch and safe to walk on within eight to24 hours after application.
What goes under elastomeric roof coating?
Step 3: Repair and Reinforce the Roof Any areas of damage should be repaired before applying the elastomeric roof coating. Use Polyglass PolyBrite polyester fabric and mastic to reinforce these repaired areas, as well as around any roof penetrations, curbs, and rooftop equipment.
Which is better silicone or elastomeric?
Longevity. Many factors can affect the longevity of an elastomeric coating, but mil for mil, silicones last longer than acrylics. This is mostly due to the inherently superior UV and moisture resistance of silicone materials.
What is the difference between elastomeric and acrylic?
For exterior painting, acrylic and elastomeric paints are among the most popular paint types to use due to their flexibility and resistance to the elements. In terms of basic differences, acrylic is a resin type and is usually thin and strong, while elastomeric, a property of paint, is thick and strong.
How often should a flat roof be recoated?
every two to four years
FLAT roofs, which are usually built up with layers of roofing felt and asphalt or coal tar, should be recoated every two to four years, unless they are covered by a layer of gravel or other stone chips.