Flat roofs face constant exposure to harsh conditions such as ponding water, UV radiation, thermal movement, and weather extremes. Choosing the right roof coating is critical to extending the life of your roof and preventing costly repairs. Gaco Roof GR1600 is a premium, high-solids silicone roof coating engineered specifically for flat and low-slope roofing systems.

For contractors, property managers, and building owners looking for long-term roof protection, GR1600 delivers durability, waterproofing, and performance you can trust.

What Is Gaco Roof GR1600?

Gaco Roof GR1600 is a 100% silicone roof coating designed to protect, restore, and extend the life of flat roofs. Unlike acrylic or elastomeric coatings, silicone remains stable under standing and ponding water, making it one of the best solutions for flat roof applications.

You can find the full product details here:

? Gaco Roof 100% Silicone Roof Coating

Once cured, GR1600 forms a seamless, flexible, and fully adhered membrane that resists cracking, peeling, and UV degradation.

Benefits of Gaco Roof GR1600 for Flat Roofs

Ponding Water Resistance

GR1600 is unaffected by standing water, making it ideal for flat roofs where drainage is limited. It maintains its integrity where many other coatings fail.

Outstanding UV Protection

The silicone formulation reflects UV rays, helping to reduce roof surface temperatures and slow down aging caused by sun exposure.

Seamless Waterproofing

GR1600 creates a monolithic membrane that seals seams, fasteners, penetrations, and transitions—common leak points on flat roofs.

Long-Term Durability

Silicone coatings do not chalk, crack, or degrade like traditional coatings, resulting in fewer repairs and lower lifecycle costs.

Excellent Adhesion

GR1600 adheres to many common roofing substrates, including:

• Modified bitumen

• Built-up roofing (BUR)

• Metal roofing

• Spray polyurethane foam

• Concrete

• Single-ply systems (with proper preparation)

Low Maintenance

After installation, maintenance is minimal—typically limited to periodic inspections and cleaning.

How to Apply Gaco Roof GR1600

Proper preparation and application ensure maximum performance and longevity.

Step 1: Surface Preparation

• Pressure wash the roof to remove dirt, debris, and contaminants

• Repair cracks, seams, penetrations, and damaged areas

• Allow the surface to dry completely

Step 2: Priming (If Required)

Certain substrates may require a primer depending on roof condition. Always follow Gaco’s manufacturer recommendations.

Step 3: Application

• Mix GR1600 thoroughly before use

• Apply using a roller, brush, or airless spray

• Follow recommended coverage rates based on required mil thickness

• Apply evenly for consistent waterproofing

Step 4: Curing

GR1600 skins over quickly and cures fully based on temperature and humidity. Avoid foot traffic until fully cured.

Why Choose Gaco Roof GR1600?

If you’re searching for a reliable, long-lasting silicone roof coating for flat roofs, Gaco Roof GR1600 stands out for its resistance to ponding water, UV exposure, and weather extremes. It is an excellent solution for roof restoration, maintenance, and protection—helping you avoid premature roof replacement.

Explore the product here:

? Gaco Roof 100% Silicone Roof Coating