NOTE: Select flooring system to be used.
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2.2.1
Flooring on Concrete Slabs
The system shall consist of the application of block flooring on concrete
slabs by means of adhesive.
2.2.2
Flooring on [Subflooring] [Underlayment]
The system shall consist of the application of block flooring on
[subflooring] [underlayment]. The provision of [subflooring]
[underlayment] is specified in Section [_____]. The application of block
flooring shall be by means of [nails] [adhesive].
PART 3
EXECUTION
3.1
PREPARATION OF SURFACES
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NOTE: If flooring is to be applied on
slab-on-ground construction, site grading and
drainage should be such that water will not collect
under slab. A polyethylene vapor barrier of not
less than 0.15 mm (6 mils) thick and at least 150 mm
(6 inches) of porous fill consisting of clean,
washed gravel graded from 19 to 38 mm (3/4 inch to
1-1/2 inch) sizes should be specified in Division 3.
A single-ply, asphalt-saturated felt or 0.15 mm (6
mil) polyethylene film set in asphalt may be applied
to top of slab if acceptable to flooring
manufacturer. Add to this paragraph, if warranted.
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3.1.1
Concrete Slabs
Do not install flooring on surfaces that are unsuitable for proper
installation. Before work is begun, defects such as rough or scaling
concrete, low spots and high spots, and uneven surfaces shall be corrected,
and all damaged portions of concrete slabs shall be repaired. If concrete
curing compounds or surface sealers have been applied to the concrete
slabs, the compounds and sealers shall be removed from the slabs by an
approved method. Concrete slabs shall be level [within tolerance specified
in the Section [03300A CAST-IN-PLACE STRUCTURAL CONCRETE][03300N
CAST-IN-PLACE CONCRETE]] [within a tolerance of 2 mm/meter 0.25 inch per 10
feet.]
3.1.2
[Underlayment] [Subflooring]
Repair damaged portions, and replace defective boards with sound boards;
renail loose or warped boards, and drive protruding or loose nails flush.
3.1.3
Adhesive-Applied Wood Flooring on Concrete Slab
Clean concrete floor slabs that are to receive flooring. Remove spots of
[paint,] [plaster,] [masonry droppings,] grease, dirt, and other foreign
matter.
SECTION 09645
Page 10