ALCO Updates

Granular+ Underlayment

The NEW & Improved ALCO Shield GRANULAR+ is now available.

Click Here for Details

Installation Guide

ALCO Shield Detail Drawings
ALCO Shield Underlayment Installation Instructions & Drawings
are now available Online. Click Here to View...

Product Highlights

ALCO 15 Synthetic Underlayment
New ALCO 15 Synthetic Underlayment -
We are pleased to announce our new addition to our ALCO SHIELD product line - 15 Synthetic Underlayment. More...

ALCO Roof Repair Tape
24/7 Roof Repair Tape - Now available - Leak and Seam Repair Tape for TPO, EPDM, and Metal with Ultra Aggressive Sealability. More...

ALCO Warranty Information


Call Toll Free 
800-323-0029 for information on where to buy ALCO Roof Products.


ALCO 269 Plus SBS Asphalt Adhesive


ALCO 269 Plus is UL approved and formulated from choice asphalts, solvents and fillers. It is processed to a creamy smooth consistency for ease of application. This material is specifically designed as a cold process adhesive for adhering SBS modified membrane. When cured, its bonding strength becomes as tough and elastomeric as the membrane itself.


  • Adheres SBS Modified Bitumen membranes - base and ply sheets
  • Excellent conventional adhesive for BUR ply sheets and granulated cap sheets


  • Easy Application
  • Multi-purpose adhesive
  • UL approved
  • Ready to use from the container
  • Elastomeric – moves with substrate
  • Excellent resistance to water and weather

ALCO Products offers installers a complete line of roof protection products. Made in the USA.

> Download PDF Data/Technical Specifications Sheet