Concrete Topping & Underlayment Product Selection Table
Posted by Matt Milos on Dec 21st 2015
| Product | Self-Leveling | Self-Drying | Metallic | Pumpable | Primer Required | Can Be Used Over | Install Floor Coating | Min Thickness | Max Thickness Neat | Max Thickness (w/aggr) | Compressive Strength 28 Days | Coverage Rate | |
| Topping | Master Builders Anvil-Top 300 | ✓ | Concrete | NA | 1/2" | 1" | NA | 12,050 psi | 6.70 SF @ 1/2" | ||||
| Ardex SD-T | ✓ | ✓ | ✓ | ✓ | Concrete | 2 hours | 1/4" | 2" | 5" | 6,100 psi | 12.50 SF @ 1/2" | ||
| Master Builders Mastertop 112 | ✓ | ✓ | Concrete | 24 hours | 1/8" | 1" | NA | 5,000 psi | 11.50 SF @ 1/2" |
| Product | Self-Leveling | Self-Drying | Metallic | Pumpable | Primer Required | Can Be Used Over | Install Floor Coating | Min Thickness | Max Thickness Neat | Max Thickness (w/aggr) | Compressive Strength 28 Days | Coverage Rate | |
| Underlayment | Ardex K-15 | ✓ | ✓ | ✓ | Concrete, Wood, Cut-Back, Adhesive, Ceramic Tile, Terrazzo | 16 hours | 1/8" | 1-1/2" | 5" | 4,100 psi | 15.00 SF @ 1/2" | ||
| Ardex V-1200 | ✓ | ✓ | ✓ | Concrete, Wood, Cut-Back, Adhesive, Ceramic Tile, Terrazzo | 1-3 days | 1/8" | 4,000 psi | 15.00 SF @ 1/2" | |||||
| Ardex LU-100 | ✓ | ✓ | ✓ | Concrete, Wood, Cut-Back, Adhesive, Ceramic Tile, Terrazzo | 2-3 days | 1/8" | 2" | 5" | 4,000 psi | 11 SF @ 1/2" | |||
| Ardex Liquid BackerBoard | ✓ | ✓ | Wooden Subfloors | 6 hours | 1/8" | 3,000 psi | 32.5 SF @ 1/4" | ||||||
| Master Builders Mastertop 110 Plus | ✓ | ✓ | Concrete | 24 hours | 1/8" | 1/2" | 3,000 psi | 13.75 SF @ 1/2" |