SCHÖNOX - HS STURDY HYBRID REPAIR & SMOOTHING COMPOUND

HS Sturdy, rapid-drying, repair and smoothing compound, incorporates hybrid active-dry technology creating a powerful solution with versatility and strengths previously unseen in flooring. From featheredge to 2” depths, HS Sturdy repairs, patches, and smooths combining tasks for use on a wide variety of substrates including concrete and gypsum as well as diverse ones such as wood, vinyl, and ceramic.

Features:

• For interior use only
• Based on Hybrid Active-Dry Technology
• EMICODE EC 1: very low emission
• Does not support mold growth
• Heavy duty
• Featheredge achievable
• Exceptional hardness and strength
• Fast drying
• Dust-reduced properties
• Suitable for underfloor heating systems
• Layer thickness above featheredge up to 2“ (in small, well-defined areas without limitation)
• Suitable for castor wheel loadings
• Very smooth surface
• May contribute to LEED v4 certification of projects

HS STURDY is suitable for smoothing and leveling of:

• Concrete, cement substrates
• Floor leveling compounds
• Gypsum substrates
• Old substrates such as ceramic tiles
• Old, water-resistant adhesive residues
• Wooden substrates
• Stairsteps and wall breakouts

Coverage per 33 LB bag: 

• Approx. 600 sq. ft. when applied as a true featheredge
• Approx. 100 sq. ft. at 1/8' (depending on substrate conditions)

Pot Life: Approx. 15 minutes

Working Temperature:  41°F - 90°F

Ready for Foot Traffic: After approx. 30 minutes

Ready for Covering:

• after approx. 30 minutes when applied as a true featheredge
• after approx. 4 hours at 2'

Shelf Life: One year in unopened package

Technical Data Sheet