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.
This product requires Haz-Mat Shipping and cannot be shipped UPS Next-Day Air, Second-Day Air or Three-Day Select
Firestone Lap Sealant HS Method of Application
Surfaces to which Firestone Lap Sealant HS is applied must be clean,
dry, free of foreign materials and excess dusting agent. Clean with
broom or rags if necessary.
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Wait Before Applying Seam Edge Treatment
Wait to apply seam edge treatemnt a minimum of 4 hours after completion
of a flashing unless weather is threatening. If weather is threatening,
apply Firestone Splce Adhesive to the edge of the flashing splice (next
step below) before leaving the project. If weather is not threatening,
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 beeen 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 supplied by Firestone. Be sure to keep the nozzle applicator
centered over the lap step off. Refer to seam details.
Firestone Lap Sealant HS Coverage Rate
Approximately 20-22 linear feet of 3/8" x 1/4" bead per 11 oz tube
