These intumescent urethane foam blocks are installed in openings by compressing and stacking into the opening in a brick-like fashion. The intumescent block expands in high temperatures to impede fire, smoke, and gas passage.
EZ-Path Series 44NEZ Smoke & Acoustical Pathway provides exceptional leakage and acoustical performance with tested and approved cable capacities ranging from 0 up to 100% visual fill
These intumescent urethane foam blocks are installed in openings by compressing and stacking into the opening in a brick-like fashion. The intumescent block expands in high temperatures to impede fire, smoke, and gas passage.
These intumescent urethane foam blocks are installed in openings by compressing and stacking into the opening in a brick-like fashion. The intumescent block expands in high temperatures to impede fire, smoke, and gas passage.
EZ-Path Series 44NEZ Smoke & Acoustical Pathway provides exceptional leakage and acoustical performance with tested and approved cable capacities ranging from 0 up to 100% visual fill
These intumescent urethane foam blocks are installed in openings by compressing and stacking into the opening in a brick-like fashion. The intumescent block expands in high temperatures to impede fire, smoke, and gas passage.
These intumescent urethane foam blocks are installed in openings by compressing and stacking into the opening in a brick-like fashion. The intumescent block expands in high temperatures to impede fire, smoke, and gas passage.
EZ-Path Series 44NEZ Smoke & Acoustical Pathway provides exceptional leakage and acoustical performance with tested and approved cable capacities ranging from 0 up to 100% visual fill
These intumescent urethane foam blocks are installed in openings by compressing and stacking into the opening in a brick-like fashion. The intumescent block expands in high temperatures to impede fire, smoke, and gas passage.
WF300 Intumescent Firestop Caulk is a latex-based firestop caulk designed for residential wood frame construction. WF300 Caulk is tested for addressing penetrations through wood/frame construction such as wood stud walls and floor/ceiling assemblies. Under fire exposure, WF300 expands to up to four times its original volume.
Installer friendly, easily applies with standard caulking gun
Suitable for combustible and non-combustible penetrants
Tested for up to 3 Hours of fire exposure when tested to ASTM E814/UL1479
Applications
Cables
Ductwork
Metallic Pipe
Plastic Pipe
Head-of-Wall
Properties
Permanent
Autobonding
Intumescent
Low VOC
Paintable
STC Rating
Water Based
Smoke Barrier
Specifications
Property
Value
Color
Red
Density/Weight per Gallon
10.2 lbs/gal (1.22 kg/L)
Flame Spread
0*
Smoke Development
20*
In Service Temperature
Less than 185°F (85°C)
Storage Temperature
40°F (4°C) to 95°F (35°C)
Application Temperature
35°F (2°C) to 100°F (38°C)
STC Rating (ASTM E90-04/ASTM C919)
61 (Relates to Specific Construction)
VOC Content
53 g/L**
Average Volume Shrinkage (ASTM C1241)
23.5%
Notes
*Tested to ASTM E84 (UL723) at 14% surface coverage (modified test for sealants and caulks)
**Per SCAQMD Rule 1168 (EPA Method 24)
Ordering Information
Catalog Number
UPC Number
Description
(UOM) Qty.
Case Qty.
Weight (Each)
Image
WF305
730573097052
Wood Frame Intumescent Sealant 5 Gallon Pail
1
1
54.3 lbs
WF310
730573097106
Wood Frame Intumescent Sealant 10.1 Ounce Tube
1
12
0.95 lbs
WF320
730573097205
Wood Frame Intumescent Sealant 20 Ounce Sausage
1
12
1.7 lbs
WF300 Intumescent Firestop Caulk is a latex-based firestop caulk designed for residential wood frame construction. WF300 Caulk is tested for addressing penetrations through wood/frame construction such as wood stud walls and floor/ceiling assemblies. Under fire exposure, WF300 expands to up to four times its original volume.
WF300 Intumescent Firestop Caulk
WF300 Intumescent Firestop Caulk is a latex-based firestop caulk designed for residential wood frame construction. WF300 Caulk is tested for addressing penetrations through wood/frame construction such as wood stud walls and floor/ceiling assemblies. Under fire exposure, WF300 expands to up to four times its original volume.