Organic Base Sheets

Asphalt Organic Base SheetsOrganic Base Sheets are manufactured from premium quality organic mat, saturated and coated with high-grade asphalt and lightly coated with a mineral release material.

Products

55 Smooth ORGANIC BASE SHEET is a smooth surface residential product that is ideal for use as an underlayment or as eave and valley flashing.

  • Meets ASTM D224, Type III
  • Dimensions- 36' X 36"
  • Coverage per Roll- 1 Square
  • Approx. Sq. Ft. per Roll- 108 Sq. Ft.

ORGANIC Base Sheet (#43) is a superior organic base sheet designed to be used as the nailed base ply or as a vapor retarder in commercial asphalt roof systems.

  • Meets ASTM D2626, D224, Type I
  • Dimensions- 72' X 36"
  • Coverage per Roll- 2 Squares
  • Approx. Sq. Ft. per Roll- 216 Sq. Ft.

Storage and Handling

Asphalt Organic Base Sheets require protection from damage and the weather. Store rolls upright in a dry location and never install when wet or over a wet roof deck.

Warranty

Asphalt Organic Base Sheets are warranted to be free from manufacturer's defects.

Note: All statements information and data given herein are believed to be accurate and reliable, but are presented without guaranty, warranty or responsibility of any kind, expressed or implied, except as may be indicated otherwise in this literature..

Quick Reference Product Guide

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