GacoFlex S4200 $$$$
GacoFlex S42 Series is a high-adhesion 100% silicone roof coating that renews and protects aging roofs with a seamless, durable membrane. Its superior coverage, even on granulated surfaces, often eliminates the need for a primer—saving time and material costs.
Why Choose GacoFlex S4200
GacoFlex S42 Series is a premium silicone roof coating engineered to restore and protect a wide range of existing roof substrates. With strong adhesion, UV resistance, and the ability to withstand permanent ponding water, this coating forms a seamless barrier against the elements. Its high solids formula offers excellent hide and coverage—especially on textured or granulated surfaces—reducing the need for epoxy primers and making installation faster and more efficient. GacoFlex S42 is an ideal solution for contractors seeking a high-performance, low-maintenance roofing restoration system.
Features & Benefits
Performance
- 100% silicone coating resists UV rays, ponding water, and harsh weather
- Covers more area with less material and delivers strong peak hide on uneven surfaces
Installation & Versatility
- High-adhesion formula often eliminates the need for primer*
- Applies easily to most roof substrates for quicker, more efficient installs
Durability
- Forms a seamless, long-lasting membrane that helps extend roof life
- Stands up to ponding water without degrading over time
Warranty
- Eligible for Gaco system warranties when applied per guidelines
- *Adhesion test recommended for substrate compatibility
GacoRoof $$$
GacoRoof is a 100% silicone roof coating designed to renew and protect existing roofs with a seamless, waterproof barrier. Its high-performance formula resists ponding water, UV damage, and extreme weather, making it a durable solution for residential and commercial applications.
Why Choose GacoRoof
GacoRoof stands out as a long-lasting, easy-to-apply silicone roof coating that offers excellent weather resistance and flexibility. Designed to be applied directly to many substrates without a primer, it forms a tough, flexible membrane that helps extend the life of aging roofs. Its ability to resist permanent ponding water and harsh UV rays makes it a reliable choice for protecting a wide variety of roofing surfaces.
Features & Benefits
Performance
- 100% silicone formula delivers long-term durability and superior weather resistance.
- Remains permanently flexible, even under snow loads and permanent ponding water.
Installation & Versatility
- No primer required for most substrates including metal, modified bitumen, cap sheet, BUR, and SPF.
- Applies easily to flat or sloped roofs, reducing labor time and complexity.
Protection
- Unaffected by UV rays and temperature extremes, ensuring lasting protection.
- Resists softening, bubbling, or degrading—ideal for areas prone to standing water.
Cost Savings
- Extends roof life and helps prevent costly tear-offs by restoring the existing surface.
Warranty
- Backed by a 50-year limited material warranty for added peace of mind.
GacoFlex S20 $$$
GacoFlex S20 Series is a solvent-free, 100% silicone roof coating that renews and protects weathered or leaking roofs of any shape or size. It forms a seamless, durable membrane that resists UV rays, permanent ponding water, and extreme weather while being safe for rainwater collection systems.
Why Choose GacoFlex S20
GacoFlex S20 Series Silicone Roof Coating is a versatile and reliable solution for restoring flat or sloped roofs. Its solvent-free, 100% silicone formula creates a long-lasting, waterproof barrier that performs in the harshest conditions, including standing water and intense sun exposure. Certified under NSF P151, it’s suitable for roofs that feed rainwater catchment systems, making it both environmentally friendly and highly effective.
Features & Benefits
Performance
- 100% silicone, single-component elastomeric coating that forms a seamless, watertight membrane.
- High-solids formula (95%) ensures minimal shrinkage and long-lasting coverage with less material.
Installation & Workability
- Can be applied to most existing roof surfaces in one coat (on smooth substrates).
- Quick rain resistance—can withstand rainfall within 2 hours of application.
Protection & Durability
- Withstands permanent ponding water without softening, bubbling, or degrading.
- Approved for rainwater catchment systems—NSF P151 certified.
- FM Approved: Maintains FM fire, wind, and hail ratings for certified roof assemblies.
Versatility
- Adheres to a wide range of substrates, including metal, BUR, cap sheet, SPF, and aged single-ply membranes.
- Ideal for renewing weathered roofs without the need for full tear-offs.
Warranty
- Includes a 50-Year Limited Material Warranty.
- Labor & Material Warranty available for qualified applicators using E5320 epoxy primer.
Gaco Patch $$$
GacoPatch is a high-performance, flashing-grade silicone roof sealant that provides a one-step, long-lasting repair solution for nearly any roof type. Designed to stay permanently flexible and UV stable, it resists chalking, cracking, and degradation—even under ponding water.
Why Choose Gaco Patch
GacoPatch offers a fast, reliable solution for roof repairs with no need for primers, tapes, or topcoats. Ideal for use on asphalt, metal, single-ply, and existing coatings, this stand-alone silicone sealant installs in a single application and requires no reinforcement—even for thick, horizontal patches. Available in multiple colors, GacoPatch maintains flexibility and weather resistance over time, making it a trusted choice for permanent roof repair applications.
Features & Benefits
Performance
- No primer needed on most substrates, reducing labor time and costs.
- Long-lasting repair solution free of asphalts and acrylics, ensuring durability and flexibility.
Installation & Workability
- Can be applied on damp surfaces (standing water must be removed first).
- Flashing grade sealant that typically requires no fabric reinforcement, simplifying application.
Protection & Durability
- UV stable—resists chalking, cracking, peeling, and maintains flexibility over time.
- Effective for a variety of common roof repairs including joints, cracks, and seams.
Versatility
- Suitable for control joints, coping joints, fishmouths, gutter seams, small membrane holes, and surface cracks.
- May require sacrificial tape on some repairs to enhance protection.
Warranty
- Reliable performance backed by long-term material durability.