Skimcoat and Patch


NEW! TEC® Skill Set™ Skimcoat and Patch is a latex modified smooth surface patch. Use for patching, smoothing and filling holes, cracks, voids and depressions in concrete and approved wood underlayments before the installation of flooring coverings. Patch 1/2” down to a featheredge. Most flooring can be installed in just 45 minutes.

  • Fill voids up to 1/2” deep
  • Fast setting – install floor covering in as little as 45 minutes
  • Leaves a smooth finish
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Terms and conditions


Physical Properties

Physical State Dry powder
Color Gray
Pot Life 10-15 minutes
Install Floor Covering 45 minutes
Description Typical Results
Compressive Strength (ASTM C-109) 4200 psi

Surface Preparation
All surfaces must be structurally sound, dry and free from oil, grease, dust, loose or peeling paint, sealers, floor finishes, curing compounds or any contaminant that would prevent a good bond.

For installation over acceptable adhesive residue, remove adhesive by scraping until all that remains is a thin transparent layer of adhesive. Concrete and cementitious substrates must be fully cured and free of any hydrostatic pressure or excessive moisture. All surface protrusions must be removed by sanding, scrapping or chipping. Substrate temperature should be a minimum of 43ºF (6ºC) during application and air temperature maintained above 50ºF (10ºC). DO NOT cover existing building expansion or control joints. Remove all dust by vacuuming. Not recommended for use over expansion or control joints.

TEC® Skill Set™ Skimcoat and Patch can be installed over new or moist concrete with RH of 95% or 15 lbs. per 1,000 sq. ft. per 24 hours. For moisture sensitive floor coverings refer to the finished floor manufacturer’s specifications on moisture limitations.


Instructions for Mixing
Mix only as much TEC® Skill Set™ Skimcoat and Patch as can be used in 10-15 minutes. For best results, maintain all tiling materials, substrates, room and adhesives at 50º-70ºF (10-21ºC) for 24 hours before and 48 hours after installation. Avoid breathing dust and contact with eyes and skin. Avoid using high speed mixing, not to exceed 300 rmp, to prevent entraining air. Add powder to liquid for ease of mixing.

In a clean mixing container, slowly add product to clean, cool, water as specified in the chart below.

Size Water
10 lbs. 1.2 - 1.6 quarts
25 lbs. 3 - 4 quarts
Mix material for 2 minutes to a smooth, lump-free consistency. For smaller amounts use a ratio of 3 parts powder to 1 part water. Use immediately.

Immediately after mixing, work TEC® Skill Set™ Skimcoat & Patch into the void to be filled with a flat steel trowel and then finish to a level surface to the required smoothness. The working time for this product is 10-15 minutes depending upon the temperature. For repairs greater than 1/2” in thickness, you will need two applications, allowing the first application to set before applying the second. Do not exceed a total thickness of 1”. Do not overwork the product.

Dry Time
TEC® Skill Set™ Skimcoat and Patch is fast drying and can accept foot traffic and the installation of most floor covering materials within 30-45 minutes. Protect from excessive heat or drafty conditions during curing period.

Wash tools, hands and equipment with warm soapy water while material is still fresh.

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Safety Data Sheet

Safety Data Sheet--English

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