WIP 300HT

High-Temperature Protection Self-Adhering Roofing Underlayment

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WIP 300HT

High-Temperature Protection Self-Adhering Roofing Underlayment

WIP 300HT is a 40‑mil, high‑tensile‑strength rubberized asphalt membrane for high‑temperature applications under metal, synthetic, concrete, clay tile, and asphalt shingles. It features a skid‑resistant surface and an exposed asphalt bead for watertight lap seams, with up to 180 days of exposure time.

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Product Details

WIP 300HT is a high-tensile-strength rubberized asphalt underlayment specifically designed to withstand temperatures up to 250°F (121°C). Ideal for use under metal including copper, zinc and COR-TEN® (consult technical department for installation instructions), WIP 300HT can also be used under synthetic, concrete and clay tiles and asphalt shingles. This strong, skid-resistant membrane is available in either black or white and provides superior protection from water penetration caused by wind-driven rain and ice dams. WIP 300HT resists cracking, drying and rotting, providing long-term waterproofing performance and low lifecycle cost.

Approvals & Certifications:

  • Florida Product Approval # 16724
  • Miami-Dade County Product Control Approved NOA# 25-0606.03

  • Slit-paper release provides easier, faster installation

  • Exposed rubberized asphalt bead along the membrane edge ensures watertightness of lap seams

  • 180 days exposure time

Certification
Certification

Technical & Installation

  • WIP 300HT | Product Data Sheet

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  • WIP 300HT | Safety Data Sheet (SDS)

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  • WIP 300HT | Safety Data Sheet (SDS) (French)

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  • WIP 300HT | Safety Data Sheet (SDS) (Spanish)

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  • WIP | ICC-ES Evaluation Report, ESR-2206

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  • WIP | Technical Bulletin - Temporary Film Change WIP 300HT

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  • WIP | Technical Bulletin - Minimum Roof Slope Requirements for Installation

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  • WIP | Technical Bulletin - Repair Procedures

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  • WIP | Technical Bulletin - Can OSB Be Used Under Carlisle WIP Products?

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  • WIP | Technical Bulletin - Installation of WIP Products over OSB Sheathing

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  • WIP | Technical Bulletin - WIP Products Used as Roofing Underlayment Air & Vapor Barrier

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  • WIP | Technical Bulletin - Roofing Underlayments Installed over OSB Sheathing

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