Enhanced TDS
Identification & Functionality
- Product Type
- Technologies
- Product Families
- Product Image
- Base Polymer
Synthetic Rubber
Features & Benefits
- Ready-to-Use Product Features
- Key Attributes
Features Benefits Low VOC formula (<150 g/L) Suitable for use in VOC regulated markets Excellent adhesion to clean and dry substrates. No primer required Adheres to concrete, masonry, gypsum, metal, glass, plastic and wood surfaces Excellent gunnability at low temperatures Wide application temperature range Water resistant, even under immersion conditions Long term moisture barrier Non-skinning and noncuring Permanently flexible even at low temperatures
Applications & Uses
- Applications
- Application Area
- Application Method
- Basic Use
Millennium Water Block Mastic is a non-curing, non-skinning secondary sealant designed for unexposed waterproofing applications. Millennium Water Block Mastic can be used:
- Behind termination bar
- Under roof drains
- Acoustical sealant
- Roof panel rib sealant
- Vapor barrier sealant
- Application Instructions
Surface Preparation: All work surfaces should be clean, dry, free of dirt, dust, debris, oils, un-adhered coatings, deteriorated membrane and other contaminants that may result in a surface that is not sound or is uneven. If necessary, clean the surface to receive the Millennium Water Block Mastic with an approved surface cleaner.
- Cut nozzle on cartridge to allow proper bead Installation.
- Apply an approximately 1/2” (1.3cm) size bead (or appropriate size bead to completely seal void) of Millennium Water Block Mastic between the objects to be sealed.
- Installll product and fasten accordingly. Note: Millennium Water Block Mastic is not intended to be used as a structural sealant or to replace mechanical fastening. It is intended for waterproofing only.
- For drain applications, install a continuous bead of Millennium Water Block Mastic in between roof membrane and drain bowl. Install drain clamping ring according to drain manufacturers recommendations.
- Note: This is a non-skinning, non-curing sealant and is intended for unexposed applications only.
- Limitations
- Talc, dust, oil, ice, snow, or wet conditions inhibit good adhesion.
- Clean and dry surfaces are necessary for proper Installation of this product.
- Not recommended for direct contact with insulating glass sealants.
- Not to be used in locations exposed to direct UV light.
- Not to be painted.
- Use only in unexposed areas.
Properties
- Typical Physical Properties
- Typical Properties
| Value | Units | Test Method / Conditions | |
| Adhesion | Excellent to most clean, dry surfaces | — | ASTM C794 |
| Water Resistance | No adhesion loss, no shrinkage, no chalking | — | — |
| Flash Point | 40.0 | °C | ASTM D 56 |
| VOC Content | max. 150 | g/L | ASTM D 3960 |
| Solids Content | min. 85 | % | ASTM C681 |
| Weight per Gallon | 10.5 | lbs | ASTM D 1475 |
| Value | Units | Test Method / Conditions | |
| Service Temperature | -40 - 93 | °C | ASTM D 3359 |
| Application Temperature | -6 - 49 | °C | ASTM C603 |
Packaging & Availability
- Packaging Type
- Packaging and Coverage
Millennium Water Block Mastic is available in the following package:
Cartridge Size Part # Cartridges/Case 10.3 fl. oz. (305 mL) CT-0304-GR 30 Coverage rate will be approximately 10-12 lineal feet (3.0 - 3.7m) for a 1/2” (1.3cm) bead.
Storage & Handling
- Shelf Life
- 24 Months
- Storage Information
Store material in original unopened packaging at temperatures between 40°F-110°F (4°C-43°C).