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    ​​​​​​​​​​​​​LT Additive

    LT Additive is a liquid additive designed for use with Finestop RA and Finestop VB fluid-applied air/water-resistive barrier products to enable the application of these materials as low as -4°C (25°F).

    ​Broadens application window
    ​Fewer temperature-related limitation
    ​One quart treats one 5 gallon pail
    ​Easy mix ratio​​​​​


    LT Additive is used with Finestop RA or Finestop VB. Blending of LT Additive with a pail of Finestop RA or Finestop​​ VB enables application of these materials at temperatures as low as -4°C (25°F).


    8 - .95L (1 quart) plastic bottles per carton

    LT Additive Product Bulletin

    LT Additive Product Bulletin

    AWRB Low Temp Additive

    Material Safety Data Sheets