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One-Part Expanding Firestop Spray Foam

MasterFormat 07 84 00 Firestopping

This information reflects our best understanding of product composition in 2022.

Firestop spray polyurethane foam sealants, also called expanding firestop foam, are available as either a two-part system that is mixed on site or as a one-part material. The general composition for both types includes one or more isocyanate,...

More about One-Part Expanding Firestop Spray Foam

Firestop spray polyurethane foam sealants, also called expanding firestop foam, are available as either a two-part system that is mixed on site or as a one-part material. The general composition for both types includes one or more isocyanate, polyol, catalyst, blowing agent, flame retardant, and surfactant. This Common Product describes one-part products, which were found to be more common. Some formulations contain intumescent materials or high global warming potential hydrofluorocarbon (HFC) blowing agents, but neither are common. For one-part spray foam systems, the isocyanate portion is mixed with the polyol portion, including additives, which react to some extent in the can; this creates a prepolymer that further reacts with moisture in the air when applied on site. In the case of one-part firestop spray foam sealants, the reaction product(s) could not be identified, so the unreacted polyols and isocyanates reported in product literature are listed in the common contents. 

These sealants can be used in commercial or residential construction for penetration firestopping (such as HVAC, electrical, and plumbing) to impede the spread of fire, smoke, and toxic gases in the event of a fire. They can be used in fire-rated wall and ceiling assemblies and adhere to most common building materials. Because they cure by moisture absorption, manufacturers recommend moistening the surface with water prior to application of the foam. They are typically red or pink in color so they can be identified after installation.

Name % Weight Whole Function GREENSCREEN® Sources
Polymethylene polyphenyl isocyanate
9016-87-9
38.66% Polymer/ Monomer Subscribe to view
1,2-ethanediamine, polymer with 2-methyloxirane and oxirane
26316-40-5
16.87% Polyol Subscribe to view
Tri-(2-chloroisopropyl)phosphate
13674-84-5
14.50% Flame retardant Subscribe to view
Dimethyl ether
115-10-6
9.67% Blowing agent Subscribe to view
PROPANE
74-98-6
4.83% Blowing agent Subscribe to view
Isobutane
75-28-5
4.83% Blowing agent Subscribe to view
Halogeniertes Polyetherpolyol, (mittlere Molmasse 468 g/mol)
86675-46-9
4.83% Polyol/ Flame retardant Subscribe to view
Silicone L-5310
87244-72-2
3.19% Surfactant Subscribe to view
Ferric oxide
1309-37-1
1.93% Pigment Subscribe to view
Dibutyltin dilaurate
77-58-7
0.68% Catalyst Subscribe to view
Octamethylcyclotetrasiloxane
556-67-2
0.01% Monomer Subscribe to view
Name % Weight Part % Weight Whole Function GREENSCREEN® Sources
Polymethylene polyphenyl isocyanate
9016-87-9
38.66% 38.66% Polymer/ Monomer Subscribe to view
1,2-ethanediamine, polymer with 2-methyloxirane and oxirane
26316-40-5
16.87% 16.87% Polyol Subscribe to view
Tri-(2-chloroisopropyl)phosphate
13674-84-5
14.50% 14.50% Flame retardant Subscribe to view
Dimethyl ether
115-10-6
9.67% 9.67% Blowing agent Subscribe to view
PROPANE
74-98-6
4.83% 4.83% Blowing agent Subscribe to view
Isobutane
75-28-5
4.83% 4.83% Blowing agent Subscribe to view
Halogeniertes Polyetherpolyol, (mittlere Molmasse 468 g/mol)
86675-46-9
4.83% 4.83% Polyol/ Flame retardant Subscribe to view
Silicone L-5310
87244-72-2
3.19% 3.19% Surfactant Subscribe to view
Ferric oxide
1309-37-1
1.93% 1.93% Pigment Subscribe to view
Dibutyltin dilaurate
77-58-7
0.68% 0.68% Catalyst Subscribe to view
Octamethylcyclotetrasiloxane
556-67-2
0.01% 0.01% Monomer Subscribe to view

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Known or Potential Residuals

Known or Potential Residuals for Chemical
CASRN NAME GREENSCREEN® TYPE FREQUENCY % Weight Chemical % Weight Product SOURCE
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Other Process Chemicals

Other Process Chemicals for Chemical
CASRN NAME GREENSCREEN® TYPE FREQUENCY % WT CHEM % WT PRODUCT SOURCES
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Sources

Sources for Common Product Data
Source Uploaded Document Linked Document
3M Fire Barrier Rated Foam HPD
3M Fire Barrier Rated Foam SDS
3M Fire Barrier Rated Foam Web
3M Fire Protection Products TB
Abesco FP200 SDS
Abesco FP200 TDS
Abesco FP200 Web
abesco_loc
Akfix 820 Location
Akfix 820P SDS
Akfix 820P TDS
Boss 813 SDS
Boss 813 TDS
Boss Products LEED
Chemnet
Chlorinated paraffins and TCPP in spray polyurethane foams
Chlorinated paraffins and TCPP in spray polyurethane foams - Supplementary Data
D4 Env Canada
DC193
Dow Patent
Fischer Firestop Foam SDS
Fischer FireStop Foam Web
Hilti CP 620 SDS
Hilti CP 620 TDS
Hilti CP 660 SDS
Hilti CP 660 SDS - 2014
Hilti CP 660 TDS
Hilti CP 660 VOCs
Hilti_loc
Intl Fireproof Tech US 110 SDS A
Intl Fireproof Tech US 110 SDS B
Intl Fireproof Tech US 110 TDS
Intl Fireproof Tech US 150 SDS A
Intl Fireproof Tech US 150 SDS B
Intl Fireproof Tech US 150 TDS
Jeffcat ZF-10
Patent DE10007980B4
Patent DE19702760A1
Patent US20180079963A1
Patent US9284458B2
Soudafoam FR HY SDS
Soudafoam FR HY TDS
Soudafoam FR Location
SPFA
Touch N Seal Firestop Gun Foam SDS
Touch N Seal Firestop Gun Foam TDS
Touch N Seal LEED
Werner