User Guide

Sealant 5200 is a high-per-
formance polyurethane
adhesive/sealant that
becomes tack-free in 48
hours and completely cures
in five to seven days. This
adhesive stays flexible,
holds its strength above or
below the waterline, and
resists salt water and
weathering. However, do
not use this adhesive prod-
uct on hatches or other
items that may be removed
in the future.
Because of the strength
of Adhesive Sealant 5200,
use a thin film of it behind
hinge plates that have mar-
ginal screw strength. This
product has high strength,
shock and vibration values.
5200 will help prevent the
screws from elongating and
also keeps the hinge plate in
place.
When time is critical
and you need a fast, long-
term seal above or below
the waterline, use 3M™
Marine Adhesive Sealant
Fast Cure 5200. It becomes
tack-free in one hour and
completely cures within 24
hours. This adhesive is
ideal for applications that
need some flexibility.
Installing
Hardware
For some hardware installa-
tion projects, you will want
to select a product that is
strong but allows for future
disassembly. 3M has several
products that fit this
description. If you are look-
ing to seal hatches, hinges,
portholes, navigation lights
or deck hardware, 3M™
Marine Sealant Fast Cure
4000 UV is a great choice.
Marine Sealant Fast
Cure 4000 UV is an out-
standing cosmetic sealant
for topside applications. It
is UV-resistant and won’t
yellow with time. Its flexi-
bility allows for the dissipa-
tion of stress caused by
shock, vibration, swelling
or shrinking. It’s exception-
al at bonding to metal and
can be used above or below
the waterline.
3M™ Marine Adhesive
Sealant Fast Cure 4200 is
an excellent choice for proj-
ects such as sealing access
plates and stern joints. It
forms a watertight, weath-
er-resistant seal on joints
and boat hardware.
Approximately half the
strength of 3M™ Adhesive
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