One base coat, multiple substrates
October 28, 2026 at 7:00 a.m.By Emma Peterson.
GacoBase U95 provides broad substrate compatibility, fast turnaround times and durable protection for restoration projects.
With the number of different low-slope roofing systems on the market, commercial contractors frequently face the issue of making sure they have products in stock that can handle the different substrates they encounter in the field.
To help roofers overcome this challenge, Gaco has created a two-component urethane maintenance base coat that not only provides great durability, but is also applicable across many different substrates.
This base coat, GacoBase U95, can be brushed or rolled onto existing single-ply systems, as well as flooded on built-up gravel roofs. Further, it provides protection to “foam substrates and blocks oil migration on asphalt roofs.” And the versatility of GacoBase U95 is just the tip of the iceberg when it comes to benefits. Other benefits include:
- Sustainability: made with renewable castor oil, this product is a USDA bio-preferred alternative to petroleum-based roofing materials. In other words, GacoBase U95 offers contractors a low-VOC, high-performance way to reduce reliance on fossil fuels and build more eco-friendly structures.
- Efficiency: GacoBase U95 enables contractors to restore more roofs with less labor and lower material costs. How? The basecoat not only prepares a variety of surfaces, but it eliminates the need for bleed-blocking primers and can be top coated in as little as four hours!
- Durability: this product also comes with a High Tensile Strength and impact/abrasion resistance along with UL and FM approvals for roof maintenance coatings. This makes it perfect for frequently trafficked roofs, decks and impact-prone areas.
- Support: and like any other Gaco coating, GacoBase U95 is backed by an industry-leading warranty and local team. This ensures that you get the support needed for this product to succeed in the field.
With all of these benefits at a one-year shelf life, including GacoBase U95 in your stock is a no-brainer.
Learn more about Gaco in their Coffee Shop Directory or visit www.gaco.com.
About the author
Emma is the senior content developer at The Coffee Shops and AskARoofer™. When she's not working or overthinking everything a little bit, she enjoys watching movies with friends, attending concerts and trying to cook new recipes.

















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