STI Firestop SpecSeal SSW Intumescent Wrap Strip 12′ Roll

SpecSeal SSW Wrap Strips are available in a variety of sizes and types to tackle any combustible penetration. SSW Wrap Strips are available in 12 ft. rolls as well as individually pre-sized strips to minimize waste and speed up installation.

Physical Properties (Gray)

Property	SSW375-12
Color	Gray
Thickness	3⁄8″ (9.5 mm)
Width	1 1⁄2″ (38 mm)
Length (min.)	12′ (3.7 m)
Weight (min.)	3.71 lbs (1.68 kg)
Expansion System	Single-Stage
Expansion Begins	320°F (160°C)
Volume Expansion	30x to 60x
Mold & Fungus Growth Rating (ASTM G21)	0
In Service Temperature	Less than 130°F (54°C)
Storage Temperature	Less than 130°F (54°C)
Shelf Life	No Limit
Oven Aging	No Change 140°F (60°C)
Humidity Exposure	No Change 60°C (98% R.H.)
UL Accelerating Aging	Pass

Physical Properties (Blue)

Property	SSWBLU	SSWBLU2
Color	Blue	Blue
Thickness	3⁄16″ (4.8 mm)	1⁄8″ (3.2 mm)
Width	2″ (51 mm)	2″ (51 mm)
Length (min.)	12′ (3.7 m)	12′ (3.7 m)
Weight (min.)	2.87 lbs (1.30 kg)	1.71 lbs (0.77 kg)
Expansion System	Two-Stage	Single-Stage
Expansion Begins	1st Stage 250°F (121°C), 2nd Stage 350°F (177°C)	320°F (160°C)
Volume Expansion	20x to 30x	30x to 60x
Mold & Fungus Growth Rating (ASTM G21)	0	0
In Service Temperature	Less than 130°F (54°C)	Less than 130°F (54°C)
Storage Temperature	Less than 130°F (54°C)	Less than 130°F (54°C)
Shelf Life	No Limit	No Limit
Oven Aging	No Change 140°F (60°C)	No Change 140°F (60°C)
Humidity Exposure	No Change 60°C (98% R.H.)	No Change 60°C (98% R.H.)
UL Accelerating Aging	Pass	Pass

Physical Properties (Red)

Property	SSWRED	SSWRED2
Color	Red	Red
Thickness	1⁄4″ (6.4 mm)	1⁄8″ (3.2 mm)
Width	1 1⁄2″ (38 mm)	1 1⁄2″ (38 mm)
Length (min.)	12′ (3.7 m)	12′ (3.7 m)
Weight (min.)	2.92 lbs (1.33 kg)	1.33 lbs (0.60 kg)
Expansion System	Two-Stage	Single-Stage
Expansion Begins	1st Stage 250°F (121°C), 2nd Stage 350°F (177°C)	320°F (160°C)
Volume Expansion	16x to 24x	24x to 48x
Mold & Fungus Growth Rating (ASTM G21)	0	0
In Service Temperature	Less than 130°F (54°C)	Less than 130°F (54°C)
Storage Temperature	Less than 130°F (54°C)	Less than 130°F (54°C)
Shelf Life	No Limit	No Limit
Oven Aging	No Change 140°F (60°C)	No Change 140°F (60°C)
Humidity Exposure	No Change 60°C (98% R.H.)	No Change 60°C (98% R.H.)
UL Accelerating Aging	Pass	Pass