Pro Tapes Pro Flex

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Electrical Tapes
Tapes for Scrapbooking

Pro Tapes Pro Flex Patch & Shield Tape

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    View "Full Pricing Table" below for detailed pricing and additional sizes!
  • Color
  • Item Size
    Most Popular Option: 2 in. x 60 in. (Black) | See "Pricing Table" below for additional options.
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Before ordering, please click on the "Product Description & Specs" tab below for more information about this item.

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)









Product Description

Pro Tapes Pro Flex Patch & Shield Tape is an all weather, flexible butyl patch and shield repair tape. Its one of the heaviest, most aggressive sealing tapes available. Use to deal with leaks in virtually all roofing and metalized surfaces. The tape is easy to apply to any clean, dry surface. Also recommended for use when stopping leaks on mobile homes, RVs, rail cars, trucks, vans, garden sheds, gutters, tarpaulins and some unpressurized piping. Pro Flex is UV resistant for added longevity, VOC free, and conforms easily. Also very effective in below grade concrete wall penetrations for water.


Technical Information

Pro Tapes Pro Flex Patch & Shield Tape
  • Carrier/Backing: butyl
  • 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)
  • Application Temperature: 20°F to 170°F
  • Service/Operating Temperature: -70°F to 200°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 Tapes Pro Flex Patch & Shield Tape
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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