Butyl Tape

Flexible metal-to-metal adhesive that stays in place, even in extreme heat.

  • Trimmable joint and end lap sealing tape
  • Non-staining, permanently flexible
  • Seals around windows, doors, roof vents, and more
  • Roll won’t telescope from heat before installation
  • Keeps even hot metal roofing panels in place—no melting or oozing
  • Made in the USA
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3/32” x 3/8” x 45’: 16 rolls/carton, 30 carton/pallet
3/32” x ½” x 45’: 16 rolls/carton, 30 carton/pallet
3/32” x ¾” x 45’: 16 rolls/carton, 30 carton/pallet
3/32” x 1” x 45’: 12 rolls/carton, 30 carton/pallet
Chemical Name: Isobutylene
Chemical Family: Butyl Mixture
Health Hazard: 0-Minimal
Flammability Hazard: 0-Minimal
Reactivity Hazard: 0-Minimal
Volatile (WL)%: 0
Solubility in Water: Insoluble
Specific Gravity (H20=1): 1.59-1.64
Evaporation Rate: Not Applicable
Appearance: Soft, pliable gum
Color: Q-126 (off-white to gray), Q126BB (black), Q-126-10 (off-white to gray)
Odor: None

Fire Hazards
Flash Point: >400° F (204° C)
Method: Pensky Marten closed cup
Extinguishing Media: Dry chemical, carbon dioxide, foam, water
Special Fire-Fighting Procedures: Large quantities of water will extinguish. Do not enter confined space without proper protective equipment.

Hazardous Combustion
Products: Carbon monoxide, carbon dioxide

Hazardous Identification

  • Based on data available to Marco Industries, none of the components in this product are considered hazardous according to OSHA Hazard communication Standard 29CFR 1910,1200.
  • The composition of this mixture is proprietary information. In the event of a medical emergency, compositional information will be provided to a physician or nurse.


Expandable Foam Tape

Expands to fill any-shaped gap in the construction of metal buildings, doors and windows, concrete, wood and more.

  • Expands from 1/4” to 1”
  • Expands from 3/8” to 1 1/2”
  • Follows, flexes, expands, compresses to fit
  • UV stable
  • Universally adaptable to most roof panels, including hips and valleys
  • Highly resistant to bugs and vermin
  • Economical
  • Maintains seal in heat and cold
  • Will not leach out or stain
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Description/Base/Color: Pre-compressed, self-expanding pur-foam impregnated with a high quality modified acrylic, flame retardant emulsion. The base foam is black; other colors available.
Density: 10 lbs./cu Ft. (150kg/m3)
Flammability: UL 94 HF1, Self-extinguishing, DIN 4102, B1 compression at 50%, B2 compressed
Temperature Stability Range: -40° F to 212° F
Manufacturer’s Lab: -40° C to 120° C
Weather Resistancy: Excellent
Compression Set: Maximum 2%
Tensile Strength: 21.8 psi
Thermal Conductivity: 12,106 BTU (hr.) (ft2) (*F/ft)

Before expansion.


Marco’s Weather-Tite Metal Roof Sealant

Marco’s Weather-Tite Metal Roof Sealant

Eco-Friendly MS Polymer Sealant

Stands up to the elements better than all other sealant technologies.

  • Waterproof seal against water, wind, dust, dirt or other filtrations
  • Adheres to almost any common building substrate or material
  • 30+ standard colors
  • Tack-free in 1 hour
  • Paintable (excluding translucent)
  • Chemically curing <1% VOC
  • Made in the USA
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Water Clean-Up: Yes
Non-Toxic: Yes
Non-Flammable: Yes
VOC-Compliant: <1% VOC
Cold Weather Extrusion: 0° F
Waterproof: Yes
Tensile Strength: 225 psi
Conforms to ASTM C920: Yes
Tack-Free: In 1 Hour @ 77° F/50% RH
Gap Filling: 1”
Service Temperature: -75° to 300° F for short periods of time
UV Rating: Conforms to ASTM G26
Elongation: 275%
Cartridge: Plastic – 10.1 oz.
Warranty: Limited
Hazardous Ingredients: None