Butyl Liquid Rubber

Butyl Liquid Rubber is a specially formulated version of Butyl sheet rubber that has the flexibility needed for change in environmental conditions.

Butyl Liquid Rubber is a liquefied version of a synthetic rubber typically referred to as Butyl.

Butyl rubber, sometimes just called "butyl", is a synthetic rubber, a copolymer of isobutylene with isoprene. The abbreviation IIR stands for isobutylene isoprene rubber. Polyisobutylene, also known as "PIB" which butyl rubber is based. Butyl rubber is produced by polymerization of about 98% of isobutylene with about 2% of isoprene. Structurally, polyisobutylene resembles polypropylene, but has two methyl groups substituted on every other carbon atom, rather than one.

Prior to the liquefied version emerging on to the market, rolls of the rubber were used for waterproofing roofs. The liquids are much easier to apply. It can also fill cracks and crevices and form an entirely seamless membrane. Butyl Liquid Rubber can go where the sheet version could never effectively coat. Butyl Liquid Rubber coatings have additional uses. Over the years, they have been used for roofing, cooling tanks, industrial applications, storage tanks etc. They can be applied to a wide range of roofing materials, including metal, fiberglass, concrete bur roofs etc. Always consult your roofer to determine if aftermarket coatings are acceptable, given the condition of your overall roof.

ASTM Tested. ASTM International, formally known as American Society for Testing and Materials, ASTM's physical and mechanical, testing standards provide guides for the proper procedures employed in the determination of the physical and mechanical properties of certain materials. Using test methods such as scanning electron microscopy, hole-drilling strain-gage method, semiautomatic and automatic image analysis, and X-ray diffraction, parameters like strength, ductility, hardness, residual stress, and grain size are measured. These physical and mechanical testing standards allow manufacturers, other producers and users to examine and evaluate such materials for strength and quality to ensure safety toward their end-use. Below are the results of the ASTM Testing:

Elongation	ASTM-D-412	500%
Tensile Strength	ASTM-D-412	1520 PSI
Permeance (10miles)	ASTM-E-96	0.166 perms
Fungi Resistance	ASTM-G-21	0 (Pass)
Water Swell	ASTM-D-471	0%
Weathering	ASTM-4798	Pass
Low Temp. Flex	ASTM-D-522	Pass
Wind Driven Rain	TT-C-555B	Pass
WET ADHESION (ASTM C 794/D 903)
Metal		Pass
SBS Mod. Bit.		Pass
APP Mod. Bit.		Pass
Smooth BUR		Pass
EPDM		Pass
TPO		Pass
Hypalon		Pass
SPUF (Foam)		Pass

In the United States, ASTM standards have been adopted, by incorporation or by reference, by many federal, state, and municipal government regulations.

Acceptable roof types for butyl liquid rubber

• EPDM Rubber
• Various Metal Roofing systems
• Weathered Aluminum
• Weathered Copper
• Any original EPDM rubber roofing system
• Fiberglass
• Acrylic Sheet and any acrylic based products
• Weathered Vinyl
• Polyurethane Foam
• Fleetwood models
• Alpha Rubber
• Roofs that were coated with a 3rd party roof coating.

Available Colors:

White	Off White	Gray	Beige	Light Beige	Light Green
Light Blue	Light Gray	Forest Green	Black	French Press	Tile Red

*Due to monitor settings, actual colors may vary from those that appear online. Please contact us for color samples if you need help selecting a coating.

*Butyl Liquid Rubber comes standard in white and black the other custom colors are available for an additional $10.00 per 5 gallon pail.

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