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Solva-Mastic Hardwood Adhesive 4 gallon

Sku : WFR-930
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Product Detail
  • Stauf
  • STAUF WFR-930 Solva-Mastic is an alcohol based, high-strength adhesive for professional wood flooring installation. It contains no chlorinated solvents or other materials harmful to one's health. It is ozone and environmentally safe. The adhesive spreads easily and has a non-slump formula that will help insure contact and adhesive transfer. It allows fast installation even with complicated patterns due to its strong green grab. There is no flash time required, so installation can commence immediately. Rolling is neither required nor recommended. It offers superior flexibility and is designed to keep the flooring in place, yet allow for normal movement during seasonal changes to the flooring..
    Approximate coverage: 200-240 sq. ft. See spread rates in product details for specific subfloors and applications.

General Features
contains no isocyanates
contains no water
contains no chlorinated solvents
ozone friendly
alcohol base for performance
Freeze/thaw stable
Installation Features
wet lay - no flash time required
superior green grab
non-slump formula
bridges normal sub floor variations
eliminates hollow spots
pleasant odor
cleans with acetone
no rolling required
high spread rate
spreads easily
dries quickly
Long Term Features
resistant against aging
remains elastic
suitable for radiant heat systems with primer
Approved Flooring
Engineered Wood Flooring
Strip Flooring, 1/2"-3/4"
Shorts, 1/2"-3/4"
Planks, 1/2"-3/4", up to 3"x36"
Solid Wood Flooring must be straight and flat
Bamboo NOT approved
Approved Sub Floors
Concrete Slabs
OSB (underlayment grade)
Plywood (underlayment grade)
Cured Leveling Compounds
Radiant Heated Sub Floors
Approved Primers
Primer is normally not required
STAUF SOP-230 Solva-Prime
Approved Sealers
STAUF ACS-210 True-Seal
Approved Leveling Compounds
STAUF QFP-520 Quick Floor Patch
STAUF SLC-540 Self Leveling Compound
STAUF QFF-560 Quick Feather Float
Approved Trowels and Spread Rates
Engineered Floors: 5 (3/16"x1/4"x3/8") up to 60 SF/gal.
Solid Floors: 4 (1/4"x7/32"x9/32") up to 50 SF/gal.
Parquet: 3 (5/32"x1/8"x3/16") up to 70 SF/gal.
Underlayments: 15 (3/32"x3/32"x3/32") up to 130 SF/gal.
Cure Time: Normal Traffic
Clean-Up: Use acetone while wet or dried
Surface Protection: Will not etch floor finish
Temperature Range during Installation: 50F-90F
Relative Humidity Range during Installation: 30% - 80%
Packaging Size: 4 gal. Metal Pail
Weight [lbs./gal.]: 12.6
Color: Beige
Shear Strength: 682 psi (4.7 N/mm)
VOC (calculated) [g/L]: 90
Flash Point: 28 Degrees F
pH value of concrete: must be below 12.4
Transportation: UN 1133 Adhesive DOT Class 3 Flammable Liquid
Storage: obey local storage regulations for flammable liquids
Shelf Life: 24 Months in original, unopened container
Pre-Installation Checklist
A successful installation requires proper preparation of the sub floor. Read and understand all applicable guidelines and technical data sheets before installation. Follow industry standards and flooring manufacturer's recommendations for sub floor moisture content, design, layout and application of flooring materials. All slab constructions must meet the specific requirements of the floor covering to be installed.
Sub Floor Examination
Prior to installation, the sub floor must be checked according to NWFA installation guidelines. It must be solid and sound, flat, permanently dry, clean, free of chaps, indentations and anti-adherents, as well as resistant to pressure and tension. Moisture content of all floors must be measured before installation.
Moisture content in concrete sub floors must be below 3
/24h/1,000 sq. ft. using the Calcium Chloride Test or below 75% RH using an in-situ probe.
All wood floors should have 6-9% moisture content at installation. There should be no more than a 4-5% variance in moisture content between the wood flooring and any wood sub floor. See NWFA guidelines and the wood flooring manufacturer's recommendations for details.
Sub Floor Preparation
Depending on type and condition of sub floor, a mechanical treatment (e.g. mechanical brushing, grinding or sanding) may be required. Intensity of such work must be determined at the site by the installer. Dust, paint, residual adhesives or other surface contaminants must be removed by suitable means. Cleaning the surface with an industrial vacuum cleaner is recommended. Cracks and gaps must be filled with concrete crack filler unless they are expansion joints. Level when necessary to 3/16 inches within 10 feet. Heated sub floors must be primed.
Installation Procedure
Spread the adhesive with the appropriate notched trowel. Avoid excessive adhesive thickness by passing the trowel evenly through the adhesive at a 45 degree angle. There is no flash time, so installation should begin immediately. Lay the flooring into the adhesive, correctly position it and press down firmly. Rolling is neither required nor recommended. Be sure to check the boards at regular intervals to make certain good adhesive transfer from floor to flooring is accomplished. Bowed boards or boards over low spots should be weighted down until the adhesive cures.
Place lid on pail tightly. Store pail in cool dry place. Observe official regulations on storage and handling of flammable liquids red label). DOT Class 3 Hazmat UN 1133 Adhesives
When using other than STAUF products in conjunction with STAUF primers, sealers, leveling compounds, or adhesives, STAUF denies any and all responsibility for any ensuing problems and/or damages without prior written authorization from STAUF.
Observe mandatory regulations concerning installations where flammable liquids are used.
This adhesive will not prevent moisture-related damages to wood flooring.
Do not install solid wood below grade. Do not use on concrete with curing agents or sealers except approved STAUF Sealers. Do not use on damp sub floors. Do not install wood flooring with a moisture reading above 9%. Do not use adhesive as a leveling material.
In case of accident, injury, spill or exposure, see MSDS sheet for information. Consult technical data sheet at www.staufusa.com for updated information.
The foregoing representations are based on the results of our most current product and material testing within a controlled environment and are of a non-obligatory advisory nature only. As such, they do not constitute an express or implied warranty of any kind including the Warranty of Merchantability and/or Fitness for a Particular Purpose. Because we have no control over the actual quality of workmanship, materials used and worksite conditions, STAUF USA, LLC. will in no event be liable for any incidental and/or consequential damages. herefore, we strongly recommend that prior on-site testing be conducted to refer to and study the suitability of the product for the intended purpose.
Carpet Express recommends a floorcovering professional to determine the amount of flooring you should purchase. Computer screen colors may vary from actual material. Please view actual samples to ensure your satisfaction.

Buy from us with confidence knowing that your entire order will be handled right.

Carpet Express in Dalton GA

The Carpet Express showroom and distribution center is in Dalton GA. Our location enables us to offer prompt delivery and dependable service throughout the United States of America.

The shipping department at Carpet Express takes great pride in packing and shipping orders correctly. As a floorcovering dealer who regularly ships to individuals and dealers across the United States, we know the importance of proper packing and using the most dependable truck lines.

When placing an order online, the shipping charges will be added. We partner with multiple freight carriers to create a realtime shipping quote system. However, if you have any questions, your Carpet Express sales representative will provide you all the shipping details, including cost, approximate delivery time, and phone numbers for your local shipping terminal. Remember, you are responsible for unloading home deliveries. Many individuals have their installer pick up their order from the local terminal. This also saves a home delivery charge.

When shipping outside of Georgia, you will not be charged a sales tax. This will greatly offset shipping charges.

Approximate Terminal Delivery Schedule and Rates for Carpet

Delivery Time 2-4 days 4-6 days 5-7 days 5-8 days
Rate (per yard) $.40 - $1.00 $.70 - $1.50 $1.00 - $2.00 $1.25 - $2.25

shipping map

Home deliveries generally run $50-90 more than terminal rates. Please remember, you are responsible for unloading home deliveries.


When you or your installer picks your order up from the shipping terminal, or if you receive a home delivery, visually inspect the packages, rolls, etc. for damage. If damage is seen on your package, write on the shipping bill of lading that the shipment is damaged, and immediately call your Carpet Express sales representative. If damage is not discovered until the goods are opened at home, immediately call the truck line and Carpet Express to report the concealed damage. Also be sure the number of packages and rolls exactly match the bill of lading. If you have any questions, please call Carpet Express, because once you have signed the bill of lading, you are saying that all goods were received, and the packages and rolls were in good shape.

Look before you cut! Inspect your carpet and vinyl rolls for visible defects before you cut your flooring for installation. If visible defects can be seen, please call the Carpet Express claims department immediately, before you begin installation.


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