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SeamStitch Polyurethane Caulk

1 of 4 products in this brand
SeamStitch Polyurethane Caulk is a silver, solvent-based brush grade polyurethane caulk. Seals sheet metal fasteners, seams, laps and flashings prior to the application of elastomeric roof coatings.

Product Type: Elastomeric Sealant, Solventborne Sealant

Application Area: Door Frames, Window Frames

Compatible Substrates & Surfaces: Brick, Concrete, Metal

Application Method: Brush

Chemical Family: Polyurethanes (PU)

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Family

    Features & Benefits

    Product Highlights
    • Caulking and sealing sheet metal fasteners, seams, laps and flashings prior to the application of roof coatings.
    • Patching concrete, brick and masonry.
    • Filling gaps in sidings and framed openings.
    • Excellent roof sealant for small roof repair jobs.
    • Excellent elongation and tensile strength.
    • Excellent weatherability and UV resistance.
    • Highly flexible over a wide temperature range.
    • Superior adhesion to various substrates.
    • Withstands ponding conditions in low slope roofs.

    Applications & Uses

    Application Method
    Compatible Substrates & Surfaces
    Installation
    • Ready to use. Thinning is not necessary. Mix well before using.
    • Roof must be clean, dry and free of any oil, grease, dirt or loosely adhered coating. Bare surfaces must be prepared and checked for compatibility.
    • Follow our roof restoration procedures and always perform an adhesion test.
    • Equipment: putty knife, bulk loader.
    Clean Up

    Xylene

    Coverage

    As needed.

    Properties

    Color
    Technical Data
    ValueUnitsTest Method / Conditions
    Application Temperature (max. 85% Relative Humidity)45 - 95°F
    Density8 - 10lbs/gal
    Dry Time (Dry To Touch)6.0h
    Dry Time (Recoat)12 - 16h
    Elongation100 - 200%ASTM D-412
    Flash Point80.0°F
    Hardness69.0Shore AASTM D-2240
    Permeability0.002perms/inASTM E-96
    Solids by Weight77 - 81%ASTM D-1644
    Tensile Strength225 - 275psiASTM D-412
    Viscosity20000 - 40000cPBrookfield

    Packaging & Availability

    Packaging

    1 gallon pail, 5 gallon pail

    Storage & Handling

    Shelf Life
    90 Days (40°F - 90°F)