Beware of products that claim a primer is not needed.
Silicone roof failure.
Silicone washes off in the rain you can always tell that someone is used to working with acrylic coatings when they say this.
Here are several common problems of silicone roof coatings.
Source do silicone roof coatings work to fix ponding issues.
Primerless applications consistently have failed in ponding water areas.
Absolutely they do work but they must be professionally applied by an experienced and thorough commercial roofing contractor.
Another risk from using a waterproof material such as silicone to coat your commercial roof is when the surface gets wet it tends to be more slippery than a typical roof system.
Replacing the roof is not an inexpensive proposition.
The nature of a silicone roof coating is that it will hold the dirt that it picks up each day.
However even the best of the.
A tendency to attract dirt silicone coated roofs can be a magnet for air borne dust and dirt.
This can be an added risk for personnel tending to units skylight roofing issues on the roof.
Adhesive failure telegraphing or blistering.
Silicone coatings easily attract dirt and other airborne dust particles.
This gradual build up makes the roof more susceptible to heat from the sun which negatively impacts cooling costs and internal building temperatures.
Roofing systems are waterproof due to the type of membranes or barriers that are underneath the silicone coating.
Lack of abrasion and tear resistance while it does have some advantages silicone is not a particularly durable.
Over time this accumulation of dirt and dust on the roof surface causes the system to slowly lose its reflective properties.
List of the cons of a silicone roof coating.
This is the most common misleading and incorrect term associated with silicone roof coatings silicones.
Then the surface uses rain to act as a cleaner for it.
In fact silicone roof coatings have one of the highest vapor permeability rates in the commercial roofing industry often because it is incorrectly applied.
If you apply an acrylic coating and it rains within a couple hours you ll find your material washed off the roof and in the parking lot before long.
Silicone roof coatings start to absorb water over time leading to saturation points on commercial roofs.
Acrylic coatings are known to wash off in rain.
Although silicone roof coatings outperform other technologies in ponding water applications adhesion to many substrates will be reduced to the point of failure without a properly designed and applied primer.
Loss of reflective properties.
The roof will lose its reflectiveness over time.
Kyle hoffman owner of roofing more in herndon va can spot a failing roof immediately.
Silicone roof coatings are waterproof.
Excessive granular loss seal failure and premature curling he says signal a roof in decline.
To clean a silicone roof coating first get rid of all the accumulated deposits of dirt leaves and other debris and wet the surface with water.