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Pro Tapes Pro Flex

Pro Tapes Pro Flex Patch & Shield Tape

  • Quantity
    View Full Pricing Table
    View "Full Pricing Table" below for detailed pricing and additional sizes!
  • Color
  • Item Size
    Purchased Most Frequently: 2 in. x 60 in. (White) | See Pricing Table below for additional options.
  • Price
    $ Price/photo will update once color & size have been chosen.
Before ordering, please read the "Product Description & Specs" tab content for more information about this item.

Product Description

Pro Tapes Pro Flex Patch & Shield Tape is an extremely durable, flexible, all-weather butyl-backed adhesive tape, specially made for reliable repairs. This heavy-duty, VOC-free tape is UV resistant for superior long-term performance. It conforms well and can be used to stop leaks in many materials such as metal surfaces and in roofing. It also adheres well to timber. Once the surface is clean and dry, this Pro Flex tape applies easily.

Product Applications

Effectively stops leaks in and makes repairs to:

  • Metalized surfaces
  • Roofing materials
  • RVs, mobile homes, rail cars, vans and trucks
  • Gutters
  • Garden sheds
  • Windows
  • Tarpaulins
  • Gel cushion floor mats
  • Certain kinds of unpressurized pipes
  • Below grade concrete wall penetrations for water
  • Flashing of a deck joist
  • Rubber dust covers on automobiles
  • Chimney flashing
  • Motorcycle saddle bag

Other uses:

  • Seal glass to asphalt shingles
  • Seal links in plastic downspout
  • Many other household projects
Made in the U.S.


Technical Information

Pro Tapes Pro Flex Patch & Shield Tape
  • Carrier/Backing: butyl
  • Adhesive: butyl rubber   How are adhesives different?
  • Release Liner: paper
  • Thickness: 28 mils (carrier, adhesive)   What is mil thickness?
  • Adhesion: 320 ounces per inch (to stainless steel test panel)
  • Tensile Strength: 15 pounds per inch (longitudinal)
  • Service/Operating Temperature: -70°F to 200°F
  • Application Temperature: 20°F to 170°F
  • Elongation: 700%
  • Core: 3" diameter
Note: Specifications are those given by manufacturers and are not tested for accuracy.
Download Datasheets

Download Datasheets

The following downloads are available for this product:

Download Product Data Sheet

Pro Flex Standard sizes


2 in. x 5 ft.

Actual Size: 48mm x 5 ft.

PRO FLEX/ 2554

Single Item (1-53 Items)

1 - 4 Cases (54-269 Items)

5 - 9 Cases (270-539 Items)

10+ Cases (>= 540 Items)









4 in. x 4 in. patch bag [6 patches/bag]

Actual Size: 96mm x 96mm patch bag [6 patches/bag]

PRO FLEX/ 4412

Single Item (1-11 Items)

1 - 4 Cases (12-59 Items)

5 - 9 Cases (60-119 Items)

10+ Cases (>= 120 Items)









4 in. x 5 ft.

Actual Size: 96mm x 5 ft.

PRO FLEX/ 4527

Single Item (1-26 Items)

1 - 4 Cases (27-134 Items)

5 - 9 Cases (135-269 Items)

10+ Cases (>= 270 Items)









4 in. x 50 ft.

Actual Size: 96mm x 50 ft.

PRO FLEX/ 45012

Single Item (1-11 Items)

1 - 4 Cases (12-59 Items)

5 - 9 Cases (60-119 Items)

10+ Cases (>= 120 Items)









6 in. x 50 ft.

Actual Size: 144mm x 50 ft.

PRO FLEX/ 6508

Single Item (1-7 Items)

1 - 4 Cases (8-39 Items)

5 - 9 Cases (40-79 Items)

10+ Cases (>= 80 Items)









Pro Tapes Pro Flex Patch & Shield Tape
Made in the USA
hot melt rubber (synthetic)
Offers the widest range of application flexibility available. Exhibits excellent processing performance whether manually or automatically applied. Has superior tensile strength, adhesion properties and holding force which ensures consistent, reliable seals. Hot melt adhesive will bond faster to a surface which is referred to as quick-grab or quick-stick. It typically has higher tack (will feel stickier to the touch), but is also softer. It has lower heat resistance, shear resistance, and sometimes UV resistance than an acrylic adhesive. NOTE: it is called hot melt because the adhesive is applied hot by the manufacturer and then hardens as it cools (you do not need to apply heat to the tape yourself).
natural rubber
Properties are similar to that of hot melt rubber, but natural rubber often holds where other adhesives won't (recycled fibers, dust, cold, heat and heavy loads). It provides good overall adhesion and moisture resistance.
Offer excellent performance, especially for applications in temperatures less than 40°F and greater then 120°F. It provides excellent clarity, has high shear strength, is usually more permanent/durable even when exposed to moisture, and it ages well over extended periods in fluorescent and sunlight. Since it remains clear for the life of the application and does not yellow over time it is ideal for applications such as sealing white cartons. While it has good initial adhesion it does take 24-48 hours to cure and to achieve its maximum bond strength (has gradual adhesion buildup). Another difference between hot melt rubber and acrylic adhesive is if you fold tape over making the two adhesive sides touch the acrylic adhesive will remain attached to the carrier (e.g. paper, film) while a hot melt adhesive will stick to itself and pull off of the carrier. It is the best choice for clarity, UV resistance and aging characteristics.
Is great for extreme temperature applications since silicone adhesive can work in continuous operating temperatures from -100°F to 500°F. They also exhibit good chemical resistance, retain electrical properties, and remove cleanly with little or no residue.
zinc oxide
Zinc oxide based adhesive formula is a skin-friendly adhesive which is commonly used on sports medicine tapes.
Thickness, AKA caliper or gauge, refers to the distance from one surface of a tape backing, or adhesive, to the other.
1 mil = 1/1000 of an inch
Examples: 1/16 inch = 62.5 mils; 1/32 inch = 31.25 mils
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