Nelson Firestop, ES1399, Elastomeric NON/SAG, 20oz, SAUSAGE PACK, NELAA0874

MSRP: $39.00
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Nelson Fire Stop Products
Manufacturer: Nelson Fire Stop Products
Manufacturer Part No: AA0874
PHTS Number: NELAA0874

Technical Data: 

Product Description

Nelson Firestop Elastomeric Sealant (ES1399™) is a cost effective, water based acrylic latex, endothermic, fire protective sealant. It is designed for applications of through firestop penetrations and in construction joints. 


ES1399™ sealant can be applied using a conventional caulk gun, bulk loader or by trowel. For larger applications it can be pumped directly from the pail.

ES1399™ is applicable for through firestop penetrations and for floor to wall, floor-to-floor and head of wall applications. It is flexible and is ideal for applications where joint expansion and contraction can occur. Apply the required depth of sealant beginning on the edge of the opening (use over various backing materials as required). Insure that the sealant makes complete contact with the inside surface of the opening and also the surface of the penetrating item(s). On joints, the surfaces should be clean and free of dust, dirt, oil, grease, loose material, rust or other substances. Apply the required thickness in the joint or over the insulation if required. 


AA0874 - Non/Sag -20.2 oz Foil Pack 36.45 in3 (597 ml) 12/Ctn.


Underwriters Laboratories Inc.Fill, Void or Cavity Material (XHHW)

City of New York, New York, Department of Buildings. MEA 125-04-M


Up to 4-Hour ratings

Water-Based Acrylic Latex – Easy clean-up


Elastomeric (Flexible Cure)


Water Resistant

Acoustically Tested – Reduces noise transmission

Physical Properties


Weight……………..10.75 lbs. per gallon


Application Temp…40°F (4°C) to 90°F (32°C)

STC Rating………………52

Test Compliance


Flame spread……………..0

Smoke developed….……30 

ASTM E90 Standard Test Method for Laboratory Measurement of Airborne Sound

Transmission Loss of Building Partitions and Elements 

ASTM E814 and UL1479 Test method for through stop fire penetrations.

ASTM E1399 Test method for cyclic movement and measuring min. and max. joint width.

ASTM E1966 and UL2079 Test method for fire resistance of building joint systems.

Testing Data:

For specific test criteria, refer to the UL Fire Resistance Directory. 

Storage & Handling:

Nelson ES1399™ should be stored at temperatures between 40°F (4°C) and 90°F (32°C). Protect from freezing.

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