Bostik Tread-Lock™ is a one-component, easy gunning, construction adhesive that is specifically formulated for the installation of stair retread and remodel riser installations. The Tread-Lock™ formula has good green grab (grab strength while wet) and cures quicklyto form a tenacious bond. Once cured, Tread-Lock™ remains tough yet flexible for extreme durability, helps reduce stair squeaking, and reduces the sound of footsteps on the stairs. This specialty formulation is also easy to clean off of prefinished retreads and risers even after cure. Tread-Lock™ has 0% solvents and low odor.
FEATURES
- Extremely strong, durable bond
- Easy to clean off prefinished tread, even after cure
- Helps eliminate squeaking & reduces sound\
APPLICATIONS
- Adhesion to sub floor assemblies of plywood, OSB, solid hardwood, engineered hardwood, or existing wood floor treads & risers.
- May eliminate squeaks and nail pops when used in conjunction with mechanical fasteners.
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CHEMICAL & PHYSICAL PROPERTIES |
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Chemical Properties |
Chemistry Type |
1-Part Silyl Modified Polymer |
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Adhesive Type |
Moisture Cure |
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Solvent percentage |
0% |
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VOC Compliant (calculated per SCAQMD Rule 1168) |
Yes (<30 g/L) |
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Flash Point, closed cup |
>200°F (93.3°C) |
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Use Environment |
New Construction |
Yes |
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Remodel |
Yes |
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Residential |
Yes |
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Offices/Light Commerical |
Yes |
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Heavy Commercial |
Yes |
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Offices |
Yes |
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Hospital |
Yes |
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Multifamily |
Yes |
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Highrise |
Yes |
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Exterior |
No |
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Wet Areas |
No |
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Substrates |
Plywood |
Yes |
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OSB |
Yes |
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Existing hardwood treads |
Yes, sanded |
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Terrazzo |
No |
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Ceramic Tile |
No |
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Concrete |
No |
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Gypsum Underlayments |
No |
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Cement Patch/Underlayment |
No |
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Well-Bonded Vinyl |
Yes |
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Stair Tread Types |
Solid Hardwood Retread or Riser |
Yes |
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Engineered Hardwood Retread or Riser |
Yes |
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Bamboo Retread or Riser |
Yes |
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HDF Retread or Risery |
Yes |
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New Structural Stair Tread |
No |
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Application Properties |
Ease of Gunning |
Easy |
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Odor |
Mild |
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Open/Working Time* |
90 min |
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Color |
White |
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Density (lbs/gallon) |
14.7 |
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Percentage of Water** |
0% |
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Adhesive Coverage Required for Bond: |
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Retread |
1/4″ min bead around entire perimeter and “S” pattern repeating 8″ max |
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Remodel Riser |
1/4″ min bead around entire perimeter |
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Application Temperature |
50°F to 95°F (10°C to 35°C) |
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Cured Physical Properties |
Cure Time* |
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Light Foot Traffic |
6-8 hrs |
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Regular Traffic |
8-12 hrs |
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Elongation |
>180% |
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Service Temperature |
-40°F to 150°F (-40°C to 66°C) |
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LEED® Contribution |
EQ 4.1: Low-Emitting Materials: VOC (as calculated per SCAQMD Rule 1168) |
< 30 g/L |
