MARATHON INTERIOR CAR WASH PAINTING SPECIFICATIONS
JULY, 2008
NOTE: Due to lower VOC requirements in California, please contact customer
service at 1-800-492-9400, attention, Elida Espinoza for product numbers.
1.
GENERAL
This specification supersedes any previously written or implied specification
for painting any existing or new car wash structures for maximum
performance at on-site locations.
1.1
Scope
This specification covers MARATHON’S requirements for the painting
of piping, equipment and typical interior car wash structures.
1.2
Workmanship
All work required by this specification shall be performed in
accordance with the recommendations of the manufacturer, JonesBlair Company, Dallas, Texas or its' distributors. The use of coatings
other than those specified herein requires MARATHON’S approval.
2.
GENERAL PREPARATION
2.1
Before applying any coating, all contamination, loose paint, rust, mill
scale, soaps, oil, grease, dirt, dust and chemicals are to be removed
from interior paintable surfaces by chemical wet blasting, hydroblast
cleaning or power tools. Abrasive blast cleaning may be necessary on
heavily rusted areas, but may be prohibitive in some areas. Allow to
dry completely.
2.2
Existing coatings such as epoxy or urethane shall be roughened prior
to coating, when necessary, for proper intercoat adhesion by brush-off
blast cleaning or power sanding.
3.
SURFACE PREPARATION FOR RECOATING
3.1
Metal Surfaces
Only loose, cracked, brittle, or non-adherent coating shall be removed
unless otherwise specified. Cleaning shall be performed two Inches
beyond the damaged area in all directions or until tightly adhered
coating is obtained. Rust spots shall be thoroughly cleaned. Prime
immediately after cleaning and surfaces are completely dry.
3.2
The contractor shall have the option to remove all old coating from
area where the amount of damaged or loose coating is excessive.
3.3
Do not prime or coat the following surfaces unless they have been
previously painted:
3.4
(a)
Non-ferrous metal surfaces such as aluminum, copper, brass, or
monel;
(b)
Stainless steel;
(c)
Glass, tile or ceramic;
(d)
Machined or finished operating parts of machinery, valves or
rubber hoses.
Primer
Prime all bare ferrous metal with Jones-Blair #33010 Epoxy Urethane
Primer. Catalyze 3:1 ratio with #99951 catalyst. Apply primer a
minimum of 2 mils DFT. Allow primer to dry a minimum of 8 hours
before recoating at 70°-80° F and 50% RH. Primer may be reduced
up to 15% with Jones-Blair #21102. Do not thin for brush or roller
application.
4.0
PREVIOUSLY PAINTED SURFACES OF BLOCK, CONCRETE, ROUGHTEXTURED BRICK, ETC.
4.1.
Clean as in Section 2 and roughen existing gloss coatings such as
urethanes or epoxy. If fillers are removed by cleaning the surface, fill
again with Jones-Blair #3781 Acrylic Latex Block Filler. Block filler
may be applied by roller but for maximum filling, work filler into
crevices with a brush.
topcoating.
5.0
NEW SURFACES AS IN 4.0
5.1
6.0
Clean surfaces free of oil, grease, wax and other foreign matter. Fill all
porous surfaces with Jones-Blair #3781 Acrylic Latex Block Filler. For
best results spray or roller application should be followed by brushing
while the filler is still wet. A gallon of block filler will typically cover 50 150 square feet depending on the surface. Allow block filler to dry 24 48 hours before applying finish coats.
NEW GLAZED BRICK/PORCELAIN
6.1
7.0
Allow surfaces to thoroughly dry before
Clean free of all foreign matter and prime with Jones-Blair #33010
Epoxy Urethane Primer as in 3.4
FINISH COATS
7.1
Urethane Two-Package System
7.2
Jones-Blair #45081 Acrylithane "HS2" Marathon White Aliphatic
Urethane shall be applied as the topcoats at a minimum of 2 mils DFT.
Two coats are required. This coating shall be applied to all primed and
roughened surfaces. Acrylithane catalyzes 3:1 ratio with #99951
catalyst. This coating is very suitable for this application because of
the varied types of environments ranging from severely corrosive
environments to mild atmospheric conditions. Aliphatic Urethane also
has excellent recoatability.
7.3
Mixing and application techniques
Jones-Blair Acrylithane "HS2" is a two component system and must be
mixed. A 3:1 mixing ratio is required. Mix one (1) gallon of Acrylithane
base material with one (1) quart of #99951 Catalyst. Up to one-half
(1/2) pint of #21102 thinner may be added, per gallon, of mixed paint
for spray application. For brush and roller application thinning is not
normally required. Apply Acrylithane only to thoroughly dry surfaces.
When applying at temperatures exceeding 80° F, addition of as much
as three fluid ounces (1/5 of pint) of #21093 drying retardant per gallon
of Acrylithane "HS2" is recommended. This prevents dry spray and
undesired fast drying on the surface being covered as well as on
brushes and rollers. For application in temperatures below 45°F, it is
recommended that 1/4 ounce of #99011 be added per catalyzed
gallon of Acrylithane "HS2". Acrylithane "HS2" may be recoated after
one hour at 70°F and 50% RH.
ADDITIONAL INFORMATION:
For additional technical data on this or other specified products,
contact Jones-Blair Paint Co., 2728 Empire Central, Post Office Box
35286, Dallas, TX 75235, or Watts: (800) 492-9400, Customer
Service Fax: (800) 325-6321,
Attn:
Will Dryden, National
Sales/Marketing Mgr. - Oil Services.