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PUK 455 Wide Plank Adhesive Stauf

PUK455

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#0078

STAUF PUK-455 is a urethane based, high-strength adhesive for professional wood flooring installation. It is specially formulated for wide plank floors. PUK-455 has an extremely high shear strength to help control common cupping problems associated with wide width solid flooring.

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STAUF PUK 455: 1component - PU Wood flooring adhesive

STAUF PUK-455 is a urethane based, high-strength adhesive for professional wood flooring installation. It is specially formulated for wide plank floors. PUK-455 has an extremely high shear strength to help control common cupping problems associated with wide width solid flooring.

Rigid elastic 1-component polyurethane wood flooring adhesive according to DIN 281 and DIN EN 14293
• universal use
• ready for use
• hard elastic
• very low emission
• very economical
• controlled foaming

Product Description:

STAUF PUK-455 is a urethane based, high-strength adhesive for professional wood flooring installation. It is specially formulated for wide plank floors. PUK-455 has an extremely high shear strength to help control common cupping problems associated with wide width solid flooring.
PUK-455 spreads easily and has a non-slump formula to allow the ridges to bridge gaps between wood flooring and sub floor. Since there is no water or solvent present it will not cause dimensional changes to wood flooring.
PUK-455 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.

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 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 and must be 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.

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 sub floor to flooring is achieved. Bowed boards or boards over low spots should be weighted down until the adhesive cures.

Limitations:

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.
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. This adhesive is mold and mildew resistant and waterproof when fully cured and will not dissolve if it gets wet. However, it will not prevent moisture-related damages to wood flooring unless it is used as a moisture barrier (if applicable) within the limitations set forth in the technical data sheet.

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PUK 455 Wide Plank Adhesive Stauf

STAUF PUK-455 is a urethane based, high-strength adhesive for professional wood flooring installation. It is specially formulated for wide plank floors. PUK-455 has an extremely high shear strength to help control common cupping problems associated with wide width solid flooring.

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