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Discovery, Discovery LXE, Pace Arrow, and
Sealant application may require
simple hand tools and paper
towels or rags for cleanup. Some
sealants may be labeled hazardous
or require chemicals for cleanup.
Follow all of the manufacturer’s
warnings and precautions when
dealing with these substances.
WARNING:
Some sealants may be
labeled hazardous or
require use of petroleum
distillates for cleanup.
Use proper precautions as
suggested by the sealant
or chemical manufacturer.
Use of protective eye
wear, gloves, respirator or
open ventilation may be
required. Use judgment
when working with
chemicals. If health limits
exposure to chemicals or
inhibits skills or abilities,
employ a qualified service
technician to perform the
tasks.
Sealant Types
Roof: Dicor “Self Leveling”
This product is used for large
roof openings such as around
vents, skylights, any roof mounted
antennas and ladder roof mounts.
Clean the old sealant that is lifting
before applying the new. Make sure
the roof is dry and free of dirt. Care
should be used when near an edge
or roof corners as the product will
spread out. Apply masking tape
around the area to avoid runs.
WARNING:
Consult manufacturer data
for application and safety
instructions.
Roof Air Conditioner:
Roof air conditioners use a
closed cell foam base gasket. No
sealants are required. The roof air
conditioners should be checked
for tightness by the four mounting
bolts located in each interior corner
of the air conditioner roof opening.
Torque specication is 40 to 50
in/lbs. The base gasket should be
compressed to about ½".
Exterior Attachments: Sikaex
221, SIA 477 and Locktite 5510
Primarily used on the sidewalls
around windows, doors, handles,
beltline molding, latches and bases
of surface mounted items such as
clearance lights. Old peeling sealant
should be removed with nylon
sticks or equivalent. Avoid using
metal utensils that can scratch the
painted surface. Use nylon sticks or
equivalent. Avoid lacquer thinners
or ketone based solvents as these
chemicals can damage painted
surfaces. Conrm that surface
is clean and dry before a new
application. Cut the tube at an angle
with the smallest usable opening.
Avoid a heavy bead as a little goes
a long way. Use a nger at a 45°
angle on the beaded surface to
smooth out product. Do not moisten
nger, use a disposable latex glove.
Keep rags or paper towels
handy for clean up. Use care
when applying silicone and plan
ahead before starting a bead. Look
for obstacles that may impede
application.
Undercarriage: Spray Foam
This product is used as a sealant
where a hole has been made for
items such as water lines or wires
that are coming through a oor
or bulkhead opening. Consult
manufacturer data for application
and safety instructions.
Windshield: Black
Polyurethane
Used for sealing the windshields
not to ll holes or other
imperfections. Product comes in
a tube and applies much the same
way as silicone. Clean up using
solvents such as paint thinner.
Gloves are required as product is
considered hazardous.
Installing the windshield is a
3-step process using the following
materials:
Sika Primer 206
Sika Aktivator
Sika Adhesive 255FC
WARNING:
Avoid eye and skin contact
and breathing of vapors.
Consult manufacturer data
for application and safety
instructions.
Painted Surface: Acrylic
Sealants
Used where items are sealed
under a painted surface such as
the metal corners of slideout
rooms and roof mounted awning
brackets. The material is specially
formulated to allow paint
adhesion. Consult manufacturer
data for application and safety
instructions.
Typical Side View:Side windows and belt molding require
periodic sealing with silicone
070209b
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