FS-IBTM

Introduction

FS-IB™ Ignition Barrier is a single component, water-based latex coating for use as an ignition barrier over interior Spray Polyurethane Foam (SPF) insulation. FS-IB™ uses intumescent technology to protect SPF from flame source impingement. FS-IB™ is designed specifically as a protective coating over spray foam insulation in non-occupied areas, such as crawl spaces and uninhabited attics in both residential and commercial structures. The product has been tested successfully under the AC 377, Appendix X test method. FS-IB™ is fast drying and easy to use with standard commercial airless spray equipment Where spray foam system is installed within attics or crawl spaces where entry is made only for service of utilities, an ignition barrier must be installed in accordance with IBC Section 2603.4.1.6 and IRC Section R314.5.4, as applicable. The ignition barrier must be installed in a manner so that the foam plastic insulation is not exposed. Flame Seal IB is available in Standard White or Platnuim Gray. 

IB Documents

Data Sheet
SDS Application Guide

Evaluation Report ER-600

Thermal Barriers & Ignition Barriers-SPFA 126

Testing Matrix

Tested in accordance to the Modified NFPA 286 AC 377 Appendix X.

Updated (10-19-2020)

Foam BrandTypeWet MilsSqft/galSPF Listing
Acme WC50OC6300ER-605
AccuFoam OCOC6300ER-554
Ambit AXI OC 4.1OC5350TBD
AmbiSeal 5.0 OC5350TBD
BASF ENERTITE GOC7250ESR-3102
BASF ENERTITE NMOC7250ESR-3102
BASF SPRAYTITE 158CC8200ESR-2642
BASF SPRAYTITE ComfortCC8200ESR-2642
BASF SPRAYTITE Comfort PlusCC8200ESR-2642
BASF SPRAYTITE LWP-LCC8200ESR-2642
BASF SPRAYTITE SPCC8200ESR-2642
Carlisle Sealtite ProOC4400ER-624
Carlisle Sealtite HYOC4400ER-623
Carlisle Sealtite NMOC4400ER-616
Creative Polymers Airlok.45OC6300ER-554
Demilec SealectionOC6300ESR-1172
EnergyOne EOA500OC4400ESR-3686
Icynene ClassicOC6300ESR-1826
Icynene UltraOC6300ESR-1826
Icynene Ultra SelectOC6300ESR-1826
Lapolla FL 450OC6300ESR-4242
Lapolla FL 500OC6300ESR-1148
PCC ProdexOC5350ESR-4003
Polygreen SolutionsOC6300ER-606
Sustainable Polymers OC.5OC4300ER-513
SWD QS106OC6300CCRR-1011
SWD QS108OC6300CCRR-1051
SWD QS108YMOC6300CCRR-1051
Victory OneStrokeOC6300ER-599
Victory VPC-50OC4400ER-674
XtremeSeal 0.5 OC4400ER-538

Application

The standard recommended application method for FS-IB is an airless spray equipment. Small jobs or touchups may be performed by roller, or brush. FS-IB must be applied to surfaces free of dirt, grease, loose particles, and any foreign matter. Thorough mixing is required prior to application. Coverage rates may vary depending on SPF density, brand, and testing results. Please seek proper application coverage specs from either the SPF manufacture or a Flame Seal Testing Matrix.

Recommended Equipment

Dynamic              At The Gun          Tip Size

3000 PSI2000 PSI.025-.033

Airless Sprayers

GracoUltra Max II 795/1095
TitanImpact 840/1140
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