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ALDOSEAL 385

Chemical Family
Polyurethanes (PU)

ALDOSEAL 385 is a technologically advanced, high solids, single component moisture cure polyurethane elastomeric sealant. In addition, it is a brush grade sealant and an excellent all-purpose sealer to address roof leaks on most roofing substrates. It is produced in an aluminum gray color that allows for faster cure times than white sealants. ALDOSEAL 385 provides greater protection against leaks and water penetration than most sealants due to its tenacious adhesive properties, higher tensile strength and low vapor permeability values and offers a wider window of application than water based acrylic sealants.

Product families

Ready-to-Use Products — Adhesives & Sealants
  • Caulks & Sealants

Other characteristics

Brand
ALDOSEAL
Cure Method
Moisture Cure
Product Type
1K (1 component) Sealant
Application Area
Roofing Membranes
Application Method
Brush
Compatible Substrates & Surfaces
Metal
Usage

ALDOSEAL 385 is specifically designed as a protective sealant during the detail phase of complete elastomeric roof coating restoration work.; This product is formulated to seal fasteners and seams and penetrations on a metal roof systems, seams and penetrations on single ply membrane systems and fill cracks and voids on older BUR systems.; In addition, ALDOSEAL 385 is an ideal all purpose sealant to quickly and permanently seal leak areas on virtually any roofing system.

Color
Grey
Markets
Building & Construction
Shelf LIfe
90 Days (40°F - 90°F)
Cure
Moisture Cure
Technology
Ready-to-Use Products
Clean Up Solvent
Xylene
Application Methods
Brush
Handling

Avoid application over unintended areas; adhesive properties make removal difficult after product has cured on any surface.; Avoid moisture contamination in sealed containers.; Store in dry environment between 55ºF and 75ºF.; Keep away from heat, open flame or sparks.; Use only in well ventilated areas with proper protective equipment.; Avoid breathing vapor or mist.

Ready to Use Product Features
  • Excellent Substrate Adhesion
  • Good Adhesion
  • High Solids Content
  • High Tensile Strength
  • Low Permeability
Compatible Substrates and Surfaces
Metal

Technical data

Table 1 of 1

14 rows
CharacteristicValueMethod
Total Solids (Weight)77 - 81%
Weight9.0 - 9.4lbs/gal
Flash Point80.0°F
Viscosity20000 - 40000cP
Elongation (Initial)100 - 200%
Hardness69.0Shore A
Tensile Strength215 - 265psi
Permeability0.02perm inch
Service Temperature-50 to 200º F
Cure Time (Dry to Touch)6.0Hours
Cure Time (Tack Free)8.0 - 12.0Hours
Cure Time (Re-Coat)12 - 16Hours

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