Product Data Sheet
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Sika® Flexitape Heavy

Double knit, Polyester Mesh Reinforcing and Detailing Mesh

Double knit, polyester mesh reinforcement to enhance the strength and durability of Sikalastic® roofing and waterproofing membranes at joints, cracks, and angle changes.

  • Stretches within membrane to accommodate thermal and structural movement
  • Imparts additional strength and durability
  • Conforms to substrate contours and flashing conditions
Product Data Sheet
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Usage

  • Moving and nonmoving cracks
  • Cold joints
  • Joints between dissimilar materials
  • Wall/deck intersections
  • Flashing reinforcement
   

Advantages

  • Stretches within membrane to accommodate thermal and structural movement
  • Imparts additional strength and durability
  • Conforms to substrate contours and flashing conditions

Packaging

Roll width

Roll length

3'' (75 mm)

300' (91 m)

6'' (150 mm)

300' (91 m)

Color

Off-white

Product Details

Product Information

Shelf Life

Indefinite

Storage Conditions

Store flat in original, unopened and undamaged sealed packaging in dry conditions. Recommended to condition material to 50–77 °F (10–25 °C) before using to match liquid resin

Length

300' (91 m)

Width

3” or 6” (75 or 150 mm)

 

Application

Application steps

SUBSTRATE PREPARATION

Substrate surfaces, including flashing substrates, shall be primed, clean and dry, in accordance Preparation with separate System Data Sheet.

APPLICATION

Non-moving Joints and Cracks Apply liquid resin to primed substrate. Embed Flexitape into liquid resin without stretching by gentle brush or roller pressure. Apply additional liquid resin to fully encapsulate the Flexitape.

  

 

Moving Joints and Cracks Apply 1–2” (25–51 mm) wide release tape over moving joint/crack. Apply liquid resin to primed substrate. Embed Flexitape into liquid resin without stretching, centered over joint/crack, by gentle brush or roller pressure. Apply additional liquid resin to fully encapsulate the Flexitape. Flexitape shall extend 1–1/2” (25-13 mm) minimum beyond both sides of the release tape.

  

Removal

Remove Flexitape saturated with liquid resin from substrate immediately, and wipe substrate with dry cloth. Once cured, reinforced membrane can only be removed by mechanical means.

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