ALDOSEAL 747

Identification & Functionality

Product Type

1K (1 component) Coating,

Sealer

Technologies

Ready-to-Use Products

Product Families

Ready-to-Use Products — Adhesives & Sealants

Caulks & Sealants

Features & Benefits

Ready-to-Use Product Features

Excellent Substrate Adhesion,

Good Elongation,

Good Gap Filling Capabilities,

Good UV Protection,

Good Weather Stability,

High Gas Permeability,

High Tensile Strength

Applications & Uses

Markets

Building & Construction,

Consumer Goods

Applications

Building & Construction — Building Materials

Pipes & Plumbing,

Sealants & Caulks

Consumer Goods — Housewares

Application Area

Sanitary Seal,

Seam Sealing

Application Method

Brush,

Trowel

Uses

ALDOSEAL 747 is recommended as a protective vapor retarder seam sealer for a variety of situations, including all types of seams, fasteners, gaps between metal panels, gutters, vent pipe flashings, air conditioning units and expansion joints.

Application Instructions

• ALDOSEAL 747 may be applied by brush or by trowel.
• Apply ALDOSEAL 747 only to clean, dry, sound surfaces free of loose particles or other foreign matter.
• Use ALDOSEAL 1602 Butyl Seam Tape or ALDOFABRIC 272 Roofing Fabric over larger cracks and seams.
• Apply tape over clean substrate or lay fabric into first layer of ALDOSEAL 747 where possible, and then apply ALDOSEAL 747 in one or more additional coats or ALDOCOAT coating of choice, limiting total wet mils to 40 or less to avoid mud cracking.
• Roof coating topcoat may be applied within 24 hours of sealant application.
• Coverage Rate - Approx. 750 fasteners per gallon, 100 linear feet of seams at 4” wide and 40 wet mils.

Clean Up Solvent

Xylene

Properties

Color

White

Typical Properties

	Value	Units	Test Method / Conditions
Total Solids (Weight)	53 - 59	-	%
Weight	7.4 - 7.8	-	lbs/gal
Flash Point	68.0	-	°F
Viscosity	50000 - 80000	-	cP
Elongation	450 - 550	-	%
Hardness	55.0	-	Shore A
Tensile Strength	450 - 550	psi	-
Permeability	0.005	perm inch	-
Service Temperature	-50 to 200	º F	-

Storage & Handling

Shelf Life

12 Months (40°F - 90°F)

Storage & Handling

• This product contains VM & P naphtha and xylene.
• Keep away from heat, open flame or sparks.
  Use only in well ventilated areas with proper protective equipment.
• Avoid breathing vapor or mist. Approved (MESA/NIOSH) chemical respirator and protective clothing must be worn by applicator and personnel in vicinity of the application.
• Mechanical exhaust ventilation may be required in enclosed areas.
• Positive pressure fresh air hose masks are required for interior applications.