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Installation of Parquet Floors

PRE-INSTALLATION

Job Site Inspection

Storage and Handling

Handle and unload with care. Store in a dry place being sure to provide at least a four-inch air space under cartons which are stored upon "on-grade" concrete floors. Flooring should not be delivered until the building has been closed in with windows and doors in place and until cement work, plastering and all other "wet" work is completed and dry. Concrete should be at least 60 days old. Solid oak parquet flooring should be stored in the environment in which it is expected to perform. Air conditioning/heating systems should be in place and in operation at least 14 days prior, during and after installation of the flooring. Check adhesive label for storage limitations.

Subfloors

If installing over inadequate, existing plywood subfloor consider installing plywood underlayment over existing subfloor. Standard 4 X 8 plywood sheet should be cut in four pieces and screwed to subfloor leaving small gap between the sheets to allow for expansion.

Subfloor must be:

Recommended subfloor surfaces

Concrete Slabs

Solid parquet flooring can be glued directly to concrete. If using Concrete sealer - it has to be from the same manufacturer as the adhesive. The concrete must be of high compressive strength. All concrete subfloors should be tested for moisture content. Visual checks are not reliable. Acceptable test methods for subfloor moisture content include:

NOTE: Test several areas, especially near exterior walls and walls containing plumbing.

  • A 3% Phenolphthalein in Anhydrous alcohol solution. Chip the concrete at least 3/4" deep (do not apply directly to the concrete surface) and apply several drops of the solution to the chipped area. If any color change occurs, further testing is required.
  • Calcium Chloride test. The maximum moisture transfer must not exceed 3 lbs./1000 square feet with this test.
  • Tramex Concrete Moisture Encounter meter. Moisture readings should not exceed 4.5 on the upper scale.

NOTE: A "DRY" SLAB, AS DEFINED BY THESE TESTS CAN BE WET AT OTHER TIMES OF THE YEAR. THESE TESTS DO NOT GUARANTEE A DRY SLAB. ALL CONCRETE SLABS SHOULD HAVE A MINIMUM OF 6 MIL POLY FILM MOISTURE BARRIER BETWEEN THE GROUND AND THE CONCRETE

Concrete treatment and installation of hardwood floors over concrete by Sika®

Wood Subfloors

Radiant Heated Floors

General

NOTE: When installing UNFINISHED SOLID WOOD PARQUET flooring, allow a minimum of 36 hours adhesive curing time before applying seals, stains and finishes to unfinished flooring. Trowel filling and fillers are required to reduce the possibility of panalization caused by the finish "gluing" the slats together. Test the moisture content of the wood in accordance with the stain/finish manufacturer's recommendations. Avoid installing from the surface of the flooring. If necessary distribute weight using a kneeler board.

INSTALLATION

Spreading Adhesive

Apply glue using trowel.

NOTE: Clean adhesive from the surface of the floor frequently using the recommended adhesive cleaner. Use clean towel, changed frequently, to prevent haze and adhesive residue.Maximum Adhesive Working Times:

Trowel for glue application

Hold the trowel at a minimum 45° angle (figure below) firmly against the subfloor to obtain a 50-60 sq. ft. per gallon spread rate.

How to spread the adhesive for glue down installation

Please follow technical specification for working time for adhesive.

Czar Floors recommends Bostik's Best or Sika SikaBond adhesive. Bostik Ultra-Set SingleStep combines hardwood adhesive with moisture vapor and sound reduction membrane - an excellent choice for installation on concrete.

Listed adhesives are the only adhesives tested and certified by Czar Floors. Use other adhesives at your own risk. Czar Floors does not provide warranty on subfloor separation for other adhesives. Those adhesives are available at the specialized flooring distributors or can be purchased through Czar Floors.

Adhesive products and installation Video by Sika®

Installing parquet modules

Starting parquet installation Tapping parquet tiles to insure  adhesion Tiles pushed together to minimize gaps
Unfinished tiles Steps for parquet flooring installation Sanding removes the face tape off the parquet tiles

For medallion installation follow this link: Medallion Installation Instructions

If installing flooring medallion, install parquet tiles without glue in this area. The medallion shape can be outlined first on the subfloor and then marked on the parquet using the template.

Completing Installation

Sanding of wood parquet

When sanding a hardwood floor where grain pattern differ such as parquet or inlay cut at a 45-degree angle to the floor in two directions. Third cut along the room's longest side. Possibly a fourth pass, using a floor polisher and hard plate. Extra hand-sanding work may be required.

Use a drum sander to remove a transparent plastic tape from the surface of the face-taped parquet. Three sandings with progressively finer paper is recommended. Pay attention if several different woods used in the parquet as softer woods may sand faster then harder species and may develop uneven surface. Small areas with medallions or borders are better sanded with the floor polisher and sandpaper on a hard plate.

When using mixed media such as stone and parquet consider using plywood blanks inserted in place of marble or stone during the sanding phase.

For in-depth instructions read excellent Floor Sanding manual by Lägler - leading floor sander manufacturer.

Sanding and finishing of solid hardwood floors Video by NWFA

Stain and Finish

Stains are not recommended for the parquet that used various wood species. Many species accept stain differently. Clear coat Polyurethane or wax finish can be applied.

One-Two coats of fast drying sealer can be applied. To enhance the appearance and deepen the color of the wooden floors consider using Bona Prime Amberseal sealer.

Consider water-based finishes made by Bona such as Bona Traffic. Always use sealer and finish from the same manufacturer. For very best consider Bona Traffic HD line.

Parquet Floor Maintenance

Vacuum as often as you would your carpet. Don't use rotating brushes - turn it off of possible. If wax used for finish, periodically buff the floor using paste wax.

It is very important to maintain humidity level in the 40 to 60% range. Use portable or HVAC built-in humidifiers during the heating season.

Use cleaning products specifically formulated for the hardwood floors such as Bona Pro

Download Czar Floors Parquet Care Note

Download NWFA Floor Maintenance Guide

For general hardwood floor question,s please check the excellent NWFA (National Wood Flooring Association) website. Czar Floors is a proud member of this organization.

Installer/Owner Responsibility

Beautiful hardwood floors are a product of nature and therefore, not perfect. Our wood floors are manufactured in accordance with accepted industry standards, which permit a defect tolerance not to exceed 5%. The defects may be of a manufacturing or natural type.



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