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Finish Flooring


... floors have the strength and durability to withstand wear. ... The various tiles require different adhesives, some ready to use while others are mixtures. ... – PowerPoint PPT presentation

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Title: Finish Flooring

Finish Flooring
  • Finish flooring is any material used as the final
    surface of a floor.
  • Hardwoods and Softwoods are available as strip
    flooring and as random width planks or unit

Wood Flooring
  • Mostly used in residential flooring, wood floors
    have the strength and durability to withstand
  • Popular hardwoods oak, maple, birch, and beech
  • Popular softwoods pine and fir.
  • Planking flooring laid with random widths.
  • This type of flooring has tongue and groove
  • Block flooring laid with the graining at right
  • Square and rectangle units are produced, that are
    held together by glue, metal splines, or other

Wood flooring (continued)
  • Strip flooring laid in random pattern of end
  • The design is reffered to as side-and-end
  • USE PICTURE 16-2

  • This adds strength to the structure and serves as
    an attaching base for the finish floor.
  • Inadequate or improper nailing of subfloors
    usually results in squeaky floors.
  • Most commonly used product is plywood.

Installing Wood Strip Flooring
  • After the subfloor is laid and checked, you must
    put down a wall to wall layer of building paper.
    Covering the heating plant or hot air ducts with
    double weight paper.
  • Then chalk line the joists on the paper.
  • USE PICTURE 16-4

Installing Wood Strip Flooring (continued)
  • Next lay the strip flooring at a right angle to
    the floor joist.
  • Stagger joints, long strips should be used at
    entrances, or starting, or for finish off a room.

  • The nails used should go through the subfloor and
    into the joist.
  • The first strip should be started along either
  • Leave a ½ for expansion, the grooved edge next
    to the wall.
  • After perfectly aligning the strip, face nail it.
    This means the nail is set below the face and the
    hole filled.(see illustration on the next slide)
  • USE PICTURE 16-6

Nailing (continued)
  • Succeeding strips are blind nailed.
  • Remember to arrange the pieces so the joints are
    well distributed, and blend color and grain.
  • The pattern should run uninterrupted through
    doorways and adjoining rooms.
  • USE PICTURE 16-8 in the bottom box.

Multiroom Layout
  • A setup line is first laid out two flooring
  • Starter courses are lined up with the setup line
    before any nailing.
  • A spline is set in the groove of the starter
    strip in order to allow you to lay the strips in
    either diection.
  • The last strip will usually need to be ripped,
    and the last few strips may be face nailed.

Estimating Strip Flooring
  • First calculate the are in square feet.
  • Then add the percentage listed for the particular
    size being used.
  • This gives you the number of board feet of strip
    flooring needed.
  • USE FIGURE16-10

Wood Flooring Over Concrete
  • Suspended concrete with an air space below do not
    require a moisture barrier.
  • Slab-on-grade installation requires sleepers or
    screeds. These are wood strips attached to the
    concrete surface, which serve as a nailing base.
  • Concrete on grade or below ground level requires
    an approved membrane moisture barrier.

Wood Flooring Over Concrete (continued)
  • A coat of asphalt mastic is applied on the
    concrete surface.
  • Then covered with polyethylene film.
  • Another coat of a special asphalt mastic is
  • Next the wood sleepers are set.
  • Or you may double layer the sleepers with a layer
    of 4-mil polyethylene film between them instead
    of using all the asphalt mastic.
  • USE PICTURE16-12

Wood Block Flooring
  • Also called parquet flooring almost always
    requires the use of mastic.
  • Sometimes asphalt-saturated felt is laid and
    coated with mastic.
  • If the blocks are to be nailed, procedure is the
    same as nailing plank and strip floors, they
    should still be laid in the coat of mastic.
  • Due to the difference in manufacturers detailed
    instruction should be secured from the product

Prefinished Wood Flooring
  • This the last step in the interior finish
    sequence, if chosen.
  • All trim must be in place with accepted allowance
    before this finish floor will be set. Unless
    prefinished baseboards are being used.

  • This prevents finish flooring from checking or
    cracking when slight movement takes place in a
    wood subfloor.
  • Cementitous Underlayment suited for use under
    ceramic tile floors, it impervious to water.
  • Hardboard and Particleboard bridges small gaps,
    cups, and cracks. This applied by starting in one
    corner and nailing each before the next is laid.
    Stagger the joints, and should be at right angles
    to those in the subfloor. Special adhesives may
    also be used.
  • Plywood serves the same purpose as hardboard or
    particleboard, and may be applied in the same

Resilient Floor Tile
  • In order to reduce telegraphing, showing
    irregularities on the surface, the underlayment
    must be smooth.
  • Often a base layer of felt is laid over the
    underlayment to help with this as well.
  • Laying Tile after cleaning the surface start at
    the center of the room with a chalk line. Snap
    another chalk line at right angle. Spread
    adhesive upto centerlines, butt each tile to the
    adjoining tile.
  • Lastly remove any excess adhesive, carefully
    following manufacturers directions.

Installing Resilient Tile Over Concrete
  • Concrete must be dry, smooth, and sound.
  • Remove any paint or other substance.
  • Fill in any joints or cracks.
  • Cover with one coat of primer before spreading
  • Spread adhesive and follow general tiel laying

Self-Adhering Tiles
  • Again flooring must be smooth and free of any
  • These tiles should be kept in a warm room 24
    hours prior to installment.
  • Remove paper backing, position, and press down
  • Sheeting Vinyl Flooring only fastened down
    around center and seams. While making sure that
    the pattern is matching up trim and fit the
    sheets. Then the edges are secured with a staple

Self-Adhering Tiles (continued)
  • Ceramic Floor Tile both permeable and
    impermeable tile may be used. The various tiles
    require different adhesives, some ready to use
    while others are mixtures. Again the underlayment
    should be smooth and clean. Trowel on the proper
    adhesive to the surface, position tile at least
    ½ from any perpendicular surface. Continuing
    laying tile while allowing appropriate spacing
    between each tile.