Firestone Lap Sealant HS - 11oz - W563587031

$ 12.99 


Firestone Lap Sealant HS is designed to be used with Firestone Splice Adhesive for seam edge treatment applications and as a sealant in other applications as indicated by current Firestone Specialty Products specifications and details.


Recommended Method of Application

Surfaces to which Firestone Lap Sealant HS is applied must be clean, dry, free of foreign materials and excess dusting agent. 

  • Wait Before Applying Seam Edge Treatment a minimum of 4 hours after completion of flashing if possible, the seam edge must be applied no later than the end of the next day following the completion of the seam.
  • Coat Flashing Step-Off:
    Apply a layer of Firestone Splice Adhesive along the entire seam edge, a minimum of 1" on each side of the step-off following current Firestone Splice Adhesive application procedures. Allow the Splice Adhesive to flash off.
    Note: If the seam edge has been contaminated, clean the seam edge a minimum of 1" on each side of the step off with Firestone QuickPrime Plus and allow to dry, prior to application of the seam edge treatment.
  • Apply Firestone Lap Sealant HS
    Apply a continuous bead of Lap Sealant HS approximately 3/8" x 1/4" centered over the flashing seam edge, using the plastic nozzle applicator. 

Firestone Lap Sealant HS Coverage Rate

Approximately 20-22 linear feet of 3/8" x 1/4" bead per 11 oz tube

This product requires Haz-Mat Shipping and cannot be shipped UPS Next-Day Air, Second-Day Air or Three-Day Select

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