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