1/2" x 4 x 8 Fiber Board

In-Stock

1/2" x 4' x 8' STRUCTODEK HD

USES

• STRUCTODEK HD with Primed Red Coating can be used as:

  • Insulation board

  • Cover board

  • Re-roof/recover board

• Designed for low-slope single-ply and traditional roof system applications

• High-density roofing board for both new construction and re-roofing

COMPLIANCES

• ASTM C208, Type II, Grade 1 and Grade 2

• Federal Specification LLL-I-535 (superseded by ASTM C208)

• CAN/ULC-S706-09 Type II, Classes 1 and 2

• UL Classified, Std UL 790

• ULC Classified, Std CAN/ULC-S107

• FM Approved Class 1 – FM Standards 4450/4470

• DORA Listed – RCM ID #689

• Canadian Evaluation – CCMC #13186-L

• Florida Building Code Product Approval – FL #13792.1

• Miami-Dade County NOA – No. 23-0623.03 (Expires 09/18/2028)

FEATURES / BENEFITS

• Compatible with:

  • PVC, TPO, EPDM, CSPE single-ply membranes

  • Most low-VOC, water-based, and traditional adhesives

  • Direct peel-and-stick applications

• Superior adhesion with minimal adhesive absorption

• BUR compatible – easily handles hot asphalt

• Approved in:

  • Thousands of FM RoofNav® assemblies

  • UL Class A and Class 1 rated roof systems

• Environmentally friendly:

  • Green, non-asphaltic coating

  • Contributes to LEED credits

• Durability & strength:

  • Hail resistant

  • Structurally rigid

  • Handles heavy foot traffic and wheeled loads

• Sound & thermal performance:

  • Contains SOUNDSTOP® sound-deadening technology

  • R-value of 1.3 per ½” thickness

• Easy to work with:

  • Lightweight

  • Fiberglass-free

  • Cuts with a standard utility knife

• High compressive strength:

  • 25 psi @ 10% deformation

  • 62 psi @ 20% deformation

• Dual-side Primed Red coating:

  • Optimized for surface bonding

  • Ideal for use in single- and multi-ply systems

• Superior moisture resistance:

  • Wax and moisture-resistant additives integrated during manufacturing

  • Protects edges and core, including jobsite cuts

• Cost-effective – engineered for performance and value

PRECAUTIONS

• Do not expose to open flame or excessive heat

• May smolder if ignited – extinguish completely

• Do not apply flame directly when installing modified bitumen systems

• Must be kept dry at all times (in storage and during installation)

• Only install as much as can be covered by the completed roofing system the same day

• Not intended for use under shingles

• In re-roofing:

  • Remove all wet areas of the existing roof

  • Remove all loose and protruding gravel

• Avoid use near:

  • Chimneys

  • Heater units

  • Fireplaces

  • Steam pipes

  • Other heat sources exceeding 212°F without proper protection

• Always follow heating appliance manufacturer’s guidelines

• Fastening patterns should follow the roofing membrane manufacturer’s specifications

PHYSICAL PROPERTIES