Multi-Purpose Primer


Multi-Purpose Primer works as a primer for Ultimate Self Leveling Underlayment and with Universal Skimcoat and Patch as an embossing leveler. For peel and stick tile installation, primer can be used on dry, porous concrete, gypsum cement underlayments, soft wood floors and plywood. It may also be used to enable the bonding of TEC Skill Set latex modified mortars and difficult substrates such as metal, glazed ceramic tile, gypsum based underlayments and concrete treated with certain types of curing compounds (silicate or acrylic resin curing compounds only) and well bonded epoxy coatings.

  • Easy to apply with brush, roller, or push broom
  • Enables installation of most floor coverings directly to metal, gypsum underlayment, glazed tile (without scarifying) and well bonded epoxy coatings
  • Enhance the bond of Peel and Stick tile to porous substrates
  • Covers up to 410 sq. ft. per gallon (10.0 m2/L)
  • Dries to a clear finish in 30 minute up to 3 hours
  • Solvent-free
  • Available in 1 quart pail


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Multi-Purpose Primer Product Info



1 quart (946 ml) jug Product #70-5008-5122



Substrate Primer to
Water Ratio
(square feet/gallon)
Porous concrete (two coats may be required
for highly porous)*
1:3 410
Gypsum Underlayments
(two coats required, ratios 1:3 and 1:2)
1:3 410
Wood 3:1 250
Wood-peel and stick applications 1:1 330
Broom applied to non-porous substrates
Tile/Linoleum/Steel/Epoxy Coatings
(all non-porous substrates)
Full strength 140
Roller applied to non-porous substrates
(skimcoat, embossing applications)
Full strength 250

* Second coat is required if initial application is rapidly absorbed and dries in less than 1 hour.
For second coat, primer to water ratio is 1:2.

Note: All coverage reflects broom application unless noted.

Suitable Substrates
Suitable for use over the following clean, dry, structurally sound and unpainted surfaces: concrete, cementitious backer units (CBU or cement board), exterior grade plywood, oriented strand board
(OSB), adhesive residue (except tacky or pressure-sensitive adhesive), cold-rolled steel, existing ceramic tile, gypsum substrates-minimum tensile bond strength 72 psi (0.5 MPa), VCT or non-cushioned sheet goods if they are single layer only and well bonded to a substrate approved for tile. For specific recommendations on other substrates, please contact your TEC Skill Set representative.

DO NOT FREEZE; store in an unopened container in a cool, dry location out of direct sunlight and protected from weather.

Shelf Life
Maximum of 1 year from date of manufacture in unopened package.

Do not apply over wet areas (standing water or damp substrates). Do not use in areas subject to hydrostatic pressure. Not for use as a sealer. Do not use as a final wear surface.


Physical Properties

Physical State Acrylic emulsion
Open Time Varies with temperature and humidity
Color  White, dries clear
Odor  Nil
Viscosity  Thin, liquid
Wt. per U.S. Gallon  8.8 lbs. ± 0.1 lb.
Wt. per Liter
 1.06 kg ± 0.01 kg
Freeze/Thaw Stability  None. Do not freeze.


Surface Preparation
Remove all surface contaminates such as oil, grease, floor finishes, wax and dirt. Remove adhesive by scraping until all that remains is a thin, transparent layer of adhesive residue. For detailed substrate preparation information, refer to the appropriate TEC Skill Set surface preparation product data sheet.

Instructions for Mixing
For best results, room and product should be kept at 50° to 70°F (10° to 21°C) for 24 hours before, during and 48 hours after application. Mix TEC Skill Set Multi-Purpose Primer in the ratios listed in the coverage chart.

Use a paint brush, short nap roller or a soft push broom to apply in an even, continuous film. Do not allow product to puddle.

Dry Time
TEC Skill Set Multi-Purpose Primer typically dries in 1 to 3 hours and is transparent in color when dry. Cure times are based on 70°F (21°C) and 50% RH. Colder temperatures and higher humidity will extend
cure times. Avoid excessive foot traffic and surface contamination.

Clean tools, hands and excess material immediately with water. Material that is cured is difficult to remove.

Technical Service
Available Mon–Fri
8:00am–5:00pm CST:

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Multi-Purpose Primer MSDS

Multi-Purpose Primer MSDS-English



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