EXPLORE CATEGORY
W-Beam Guardrail
12-gauge and 10-gauge rail, radius rail, steel and timber posts, blocks, backing plates and related components.
- 12′-6″ rail
- Steel posts
- Timber posts
- Blocks & plates
01 PRODUCT SYSTEMS
HIGHWAY SAFETY
MATERIALS.
Explore ISSI’s core supply categories. Select a system to review common products, components and the information needed for an accurate quote.
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01 SELECT A CATEGORY
FIND THE
RIGHT SYSTEM.
Product pages are organized by safety system—not by a generic parts list—so contractors and maintenance teams can reach the correct material faster.
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EXPLORE CATEGORY
EXPLORE CATEGORY
Terminal End Treatments
Complete terminals and replacement parts for FLEAT, MFLEAT, SKT, MSKT, SoftStop and related highway safety systems.
- FLEAT
- MFLEAT
- SKT
- MSKT
EXPLORE CATEGORY
High-Tension Cable Barrier
Gibraltar TL-3 and TL-4 systems, Valtir CASS components, posts, terminals, cable fittings and maintenance parts.
- TL-3 / TL-4
- Posts
- Cable fittings
- Terminals
EXPLORE CATEGORY
Thrie Beam & Transitions
Thrie-beam rail, bridge connections, transition sections, line posts, blockouts and fabricated transition components.
- Thrie beam
- Transitions
- Connections
- Fabrications
EXPLORE CATEGORY
Hardware & Reflectors
Splice bolts, post bolts, nuts, washers, reflective devices, tape and the service parts required to complete the assembly.
- Bolts
- Nuts
- Washers
- Delineation
EXPLORE CATEGORY
Breakaway Sign Supports
W150 and W200 breakaway bases, steel sign posts, connection kits, plate kits and timber sign-post material.
- Concrete bases
- Steel posts
- Plate kits
- Timber
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Send the system name, part number, drawing reference or a clear field photo.
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