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All Categories > Flooring Materials and Coatings > Floor Underlayment and Accessories > Sika > Sika Level-315  
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Sika Level-315

Very rapid hardening and durable, cementitious, self-leveling underlayment for use at 1/25 to 2 inches (1 to 50 mm) thickness

Sika Level–315 is a one-component, fast track and versatile cementitious underlayment for interior concrete, cementitious, wood and tiled substrates. It can be applied manually or by pump to produce a self-smoothing, very rapid-setting, flat and economical substrate prior to the application of a final floor finish. Typical application thickness is 1/25 to 2 inches* (1 to 50 mm). *In localized areas

Where to Use

  • Interior floor leveling and smoothing applications where floor coverings are to follow, such as:
  • Institutional - schools, colleges, hospitals, clinics, libraries, galleries, museums
  • Commercial - offices, corridors, hallways, canteens, cafeterias, stores, hotels, restaurants
  • Residential - domestic properties, condominiums and high rise construction


  • Easy and quick to install
  • Zero VOC content and low odor
  • Highly fluid and self-leveling
  • Manual or pumpable application
  • Feather-edging acceptable in pedestrian areas
  • Levels new and renovates old floors
  • Very rapid drying, can be walked on after 4 hours at 73°F (23°C)
  • Ceramic tiles and natural stone can be installed after 6 hours
  • Floor coverings (carpet, vinyl, PVC, rubber, engineered wood flooring) can be installed after 24 hours
  • Excellent underlay for tiles, sheet products and wood floor bonding systems

Approximately 0.46 cu.ft. per 50 lb. bag
Approximate coverage at typical thicknesses per 50 lb. bag

1/25 in (1 mm) 140 ft2
1/8 in (3.2 mm) 41.25 ft2
3/16 in (5 mm) 27.5 ft2
5/8 in (16 mm) 8.7 ft2
1 in (25 mm) 5.6 ft2

Cure Mechanism
Polymer modified rapid hardening cement.

Item #

Item Name

SIKLEVEL315.50B Sika Level-315, 50-lb bag


Sika Level-315 MSDS
(PDF, 52KB)

Sika Level-315 PDS
(PDF, 377KB)