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WR Meadows Sealtight 1150 Clear 55 Gallon Drum
WR Meadows Sealtight 1150 Clear is a resin-based, water-emulsion concrete curing compound in a 55 gallon drum. It cures interior and exterior concrete, then breaks down and wears off over the following weeks.
- Covers about 200 sq ft per gallon
- Meets ASTM C309 and AASHTO M 148, Type 1, Class A and B
- VOC content of 42 g/L, with soap and water cleanup while wet
$378.00
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WR Meadows Sealtight 1150 Clear 55 Gallon Drum
WR Meadows Sealtight 1150 Clear is a ready-to-use, water-based curing compound built from hydrocarbon resins for interior, exterior, vertical, and horizontal concrete. It forms a liquid membrane that keeps mix water in fresh concrete for full cement hydration. After about four weeks the membrane starts to break down, and it typically wears off over another three to five weeks of traffic and weather. This 55 gallon drum covers roughly 11,000 sq ft.
Key Features
- Resin-based water emulsion forms the curing film
- Dissipating membrane breaks down after the curing cycle
- Ivory in the container, drying clear with a very slight amber tint
- Helps limit hair-checking, thermal cracking, and dusting
- Improves resistance to abrasion and to salts and chemicals
Applications
- Interior and exterior slabs
- Vertical surfaces after form removal
- Concrete that will later receive paint or resilient flooring, with that manufacturer's approval
- Horizontal slabs once surface water disappears
Technical Specifications
| Property | Value |
|---|---|
| Chemistry | Hydrocarbon resin, water emulsion |
| Coverage | About 200 sq ft/gal |
| Coverage per drum | About 11,000 sq ft |
| VOC | 42 g/L |
| ASTM C309 | Type 1, Class A and B |
| AASHTO M 148 | Type 1, Class A and B |
| Emissions | Tested per CDPH/EHLB Standard Method V1.2-2017 |
| Appearance | Ivory in container, dries clear with slight amber tint |
| Drying time | 1 to 2 hours, depending on conditions |
| Foot traffic | At least 4 hours, 12 hours preferred |
| Application temperature | Concrete 40 F minimum |
| Spray tip | 0.5 GPM at 40 psi |
| Shelf life | 1 year unopened, stored at 40 to 90 F |
| Pack | 55 Gallon Drum |
| Part number | 3111505500 |
Product documents: WR Meadows 1150-CLEAR Data Sheet (PDF)
Frequently Asked Questions
Where is WR Meadows Sealtight 1150 Clear used?
On interior, exterior, vertical, and horizontal concrete. Apply it to horizontal slabs once surface water disappears and workers will not mar the surface, and to vertical surfaces promptly after the forms come off.
How long does the 1150 Clear membrane last?
The membrane starts to chemically break down after about four weeks. It then usually wears off over another three to five weeks under normal traffic and weather.
Can floors cured with 1150 Clear be painted or get resilient flooring?
It is used where paint, resilient tile, or resilient flooring will follow, but you must first confirm the specifications and get approval from the paint or flooring manufacturer. A small test application is also recommended.
What coverage does the 1150 Clear 55 Gallon Drum give?
About 200 sq ft per gallon, or roughly 11,000 sq ft for this 55 gallon drum. Apply to a test area first, since finish, texture, and weather change the rate. Over-application can cause discoloring or yellowing.
How is WR Meadows 1150 Clear applied?
Mix gently to avoid foaming, then spray a uniform film with a commercial hand or power sprayer using a tip that delivers about 0.5 GPM at 40 psi. Clean equipment with soap and water before it dries; once dry, mineral spirits are needed.
What precautions apply to 1150 Clear?
Keep it from freezing and do not apply it when the concrete is below 40 F. Do not mix it with solvent-containing compounds, which causes separation, and do not dilute it with any other compound.
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