Gaco, founded in 1955 as Gaco Western, manufactures liquid-applied silicone, acrylic, polyurethane, and epoxy coatings plus spray polyurethane foam. Acquired by Firestone Building Products in 2017 and now part of Holcim Building Envelope, its flagship GacoFlex silicone systems are known for ponding-water resistance and full-system warranties through licensed applicators.
Coating products & published specs.
GacoFlex S20 Series 100% Silicone
Silicone
- Coverage1.5 gal/sq per coat smooth
- Solids95% by volume
- Film build~22 dry mils target
- WarrantyFull-system labor+material via licensed applicators
Full specs & data sheet
Application
Coverage: 1.5 gal/sq per coat smooth; 2 gal/sq granulated (to ~22 dry mils)
Film build: ~22 dry mils target
Physical properties
Solids: 95% by volume
- Tensile 450 psi
- elongation 174-295%
- reflectance 0.88
- SRI 111
- ponding resistant
- UL790 Class A
- FM
- Miami-Dade
Warranty
Full-system labor+material via licensed applicators; 50-yr limited material
Pricing
~$300 per 5-gal pail — source: paintsupply.com. Confirm current pricing with your distributor.
GacoFlex A48 High Build Acrylic
Acrylic
- CoverageTypical 1.5 gal/sq over asphalt (24 wet/12 dry mils)
- Solids54% by volume
- Film buildUp to 80 wet mils single pass
- WarrantyUp to 20-year system warranty by thickness
Full specs & data sheet
Application
Coverage: Typical 1.5 gal/sq over asphalt (24 wet/12 dry mils); up to 5 gal/sq per pass
Film build: Up to 80 wet mils single pass
Physical properties
Solids: 54% by volume
- Tensile 204 psi
- elongation 385%
- tear 77 lb/in
- reflectance 0.79
- SRI 99
- rain-safe in 30 min
Warranty
Up to 20-year system warranty by thickness
GacoFlex U91 Moisture-Cure Urethane
Polyurethane
- Coverage1 gal/sq = 12 dry mils
- Solids80% by volume
- Film build12 dry mils per gal/sq
Full specs & data sheet
Application
Coverage: 1 gal/sq = 12 dry mils; min 3 coats at max 1.5 gal/sq per coat
Film build: 12 dry mils per gal/sq
Physical properties
Solids: 80% by volume
- Tensile 2600 psi (D412)
- elongation 350%
- tear 360 pli
- Class A
- also pedestrian/vehicular decking
GacoFlex E5320 2-Part Epoxy Primer
Primer
- Coverage1 gal per 200-500 sq ft by substrate
- Solids44% by volume
- Film build1-4 dry mils by substrate
Full specs & data sheet
Application
Coverage: 1 gal per 200-500 sq ft by substrate
Film build: 1-4 dry mils by substrate
Physical properties
Solids: 44% by volume
- Water-based epoxy
- pot life 1.5 hrs
- adhesion to metal, single-ply, masonry, aged coatings
*Approximate street prices from public listings — specs & pricing researched August 2026. Actual pricing varies by distributor, region, and volume — always confirm current pricing.
Where to buy Gaco coatings.
Consumer GacoRoof line is a Lowe's staple; pro GacoFlex silicone systems move through roofing distributors.
Projects featuring Gaco systems.
Gaco contractors by state.
Find your Gaco rep.
- CO, S. ID, MT, UT, WY — Derek White, Area Manager – GacoFlex Roofing — (801) 516-8591 — derek.white@amrize.com
- MA, ME, NH, RI, VT — Nick Conti, Area Manager – GacoFlex Roofing — (508) 360-8716 — nicholas.conti@amrize.com
- LA — Jason Kael, Area Manager – GacoFlex Roofing — (985) 510-0211 — jason.kael@amrize.com
- Southern CA — Randy Burris, Area Manager – GacoFlex Roofing — (805) 908-7572 — Randy.Burris@amrize.com
- Southeast FL — Dan Demaio, Area Manager – GacoFlex Roofing — (615) 604-8105 — daniel.demaio@amrize.com
- OH, WV, Western PA — Erick Edman, Area Manager – GacoFlex Roofing — (440) 714-1918 — erick.edman@amrize.com
- CT, NYC — Anthony "TJ" Ferruzzi, Area Manager – GacoFlex Roofing — (631) 988-9192 — anthony.ferruzzi@amrize.com
- Southern TX — Chris Manahan, Area Manager – GacoFlex Roofing — (629) 337-4264 — christopher.manahan@amrize.com
- Central FL — Mark Wilson, Area Manager – GacoFlex Roofing — (813) 690-3815 — mark.wilson1@amrize.com
- AL, MS, NW FL — Randy Greene, Area Manager – GacoFlex Roofing — (251) 463-4058 — randy.greene@amrize.com
- HI, Guam — Josh Wallwork, Area Manager (independent rep, Strategic Building Products) — (209) 229-5116 — jwallwork@strategicbp.com
- NM, El Paso TX — Riley Spill, Area Manager (independent rep, Building Resource) — (505) 389-9611 — riley@buildingresource.com
- Northern TX — Joe Williams, Area Manager – GacoFlex Roofing — (629) 337-9384 — joseph.williams@amrize.com
- DC, DE, Eastern PA, MD, NJ, VA — Bob Kirkholder, Area Manager – GacoFlex Roofing — (484) 844-4639 — bob.kirkholder@amrize.com
- KY, TN — Brian Weimer, Area Manager – GacoFlex Roofing — (812) 786-4272 — brian.weimer@amrize.com
- NY (upstate) — Paul Murray, Area Manager – GacoFlex Roofing — (716) 581-2306 — paul.murray@amrize.com
- OK, AR — Billy Parsons, Area Manager – GacoFlex Roofing — (580) 239-8928 — billy.parsons@amrize.com
- WI, Upper Peninsula MI, Northern IL — Matt Eales, Area Manager – GacoFlex Roofing — (262) 719-4365 — matthew.eales@amrize.com
- AK, Northern ID, Northern CA, NV, OR, WA — Kevin Heinisch, Area Manager – GacoFlex Roofing — (530) 320-5490 — kevin.heinisch@amrize.com
- Southern NV, AZ — Wes Pellerin, Area Manager – GacoFlex Roofing — (623) 499-1149 — wesley.pellerin@amrize.com
- GA, NC — Matthew Long, Area Manager – GacoFlex Roofing — (770) 843-6769 — matthew.long@amrize.com
- Northern FL, SC — Christopher Seay, Area Manager – GacoFlex Roofing — (615) 830-5044 — christopher.seay@amrize.com
- KS, NE, Western MO, Western IA — Robbie Schultz, Area Manager – GacoFlex Roofing — (816) 248-8875 — robert.schultz@amrize.com
- IN, Southern IL, Eastern MO — Mitch Lorkowski, Area Manager – GacoFlex Roofing — (317) 696-9065 — mitch.lorkowski@amrize.com
- Eastern IA, MI, MN, ND, SD — Doug Lorkowski, Area Manager – GacoFlex Roofing — (313) 910-2027 — douglas.lorkowski@amrize.com
- Central US — Daniel Burns, Central Regional Business Manager — (502) 640-1236 — daniel.burns@amrize.com
- Eastern US — John Cirulli, Eastern Regional Business Manager — (716) 327-2116 — john.cirulli@amrize.com
- Western US — Bryce Yost, Western Regional Business Manager — (602) 820-1055 — bryce.yost@amrize.com
- National — Todd Hoshaw, National Accounts Manager — (765) 577-1666 — todd.hoshaw@amrize.com
- Central US (distribution) — Ed Stork, Central Distribution Manager — (913) 444-3228 — edward.stork@amrize.com
✓ From Gaco’s published roster · verified August 2026
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