This Material requires a minimum truckload quantity purchase. Use
Product #495 instead.
Epoxy.com Product #450 X2 is an elastomeric coating system for walking
decks, balconies, patios, etc., where an absolutely waterproof coating is
crucial, such as above living quarters and any other occupied areas
Liquid-applied, single-component, moisture-cured, polyurethane
deck covering system. All materials shall be delivered to the jobsite in
unopened containers clearly marked and labeled. System consists of Epoxy.com
Product #452 base coat, Epoxy.com Product #416 top coat and a primer where
necessary. Epoxy.com Product #450 X2 is available in a natural aggregate
finish or a pigmented finish in various colors.
(Click thumbnail to enlarge)
For waterproofing patios, sundecks, stairways, balconies, roofs,
etc. Epoxy.com Product #450 X2 can be used on all decks where a
skid-proof, long-lasting, wear-resistant surface is required. It may be
used on new decks as well as on old concrete decks which are damaged, or
cracked. The system is suitable for exterior as well as interior
applications in all kinds of climates. The coating retains its
elastomeric properties in below freezing Weather as well as in very hot
climates. The complete system including aggregate is approximately 3/16"
(Click thumbnail to enlarge)
Containers that have been opened must be used up within one or
two days since it is a moisture-reactive material. it sets up when exposed to
air. All surfaces must be completely free of foreign matter and primed with
Epoxy.com Product #891 Primer, where necessary.
Sizes: Available in 1 gallon cans, 5-gallon pails and 55
gallon drums. Weighs 10 Lbs. per gallon.
Standards: Class WA" Fire Rating A.S.T.M. E-108.
INSTALLATION Surface Preparation: All surfaces which are to receive Epoxy.com Product #450
X2 shall be free of contamination such as water, curing compounds, hardeners,
bond-breakers, paint, etc. A light broom-finish is recommended for concrete
surfaces. It is desirable to water-cure concrete in lieu of curing compounds.
Only exterior grade plywood should be used. Contaminants should be removed by
sandblasting or acid-etching. If etching is used, allow adequate time for
surface to dry. Except for non-moving shrinkage cracks, all other cracks and
joints must be sealed with Epoxy.com PRODUCT #910, a single-component,
moisture-cured sealant manufactured by Epoxy.com. All surfaces, where
necessary, must be primed with Epoxy.com Product #888 Primer prior to
application of the coating system at a rate of 350 square feet per gallon,
except for plywood in good condition.
All seams between plywood sheets and those between metal flashing and the
plywood deck must be reinforced by imbedding a 4-inch wide strip of glass cloth
tape in wet Epoxy.com Product #452, which is brushed
evenly over the seam in a width of about 5 inches and a thickness of about 30
mils wet. The application of Epoxy.com Product #452 can subsequently be made immediately over the
entire area, including the taped areas. You can also substitute Product #454
LVOC a low gassing, low VOC version of Product #452 for any spots where Product
#451 is used.
Epoxy.com Product #452 shall be applied to the primed
concrete or plywood at a rate of 60 square feet per gallon resulting in a dry
film thickness of 25 mils. After a 24-hour cure, another coat of Epoxy.com
Product #452 is applied at the same 25 mil coverage for a total dry thickness of
50 mils. Epoxy.com Product #452 may be substituted for Epoxy.com Product
#452 Non-Gassing and applied in one application at a rate of 30 square feet per
gallon. Epoxy.com Product #454 Non-Gassing may be used in a single 50 mil
application over sound surfaces without danger of gassing. Application must be
made uniformly to avoid thin spots and care must be taken to avoid pinholes and
repair them should they occur. Coverage to obtain 50 mils is 30 sq. ft./gallon.
Epoxy.com Product #454 Non-Gassing may be accelerated to cure in just a few
hours on the jobsite. Following a 24 hour cure, apply Epoxy.com Product #416
pigmented, at a rate of 115 square feet per gallon. Broadcast the desired
aggregate into the wet coating, to refusal. After an overnight cure, sweep or
blow off all the loose aggregate and apply another coat of Epoxy.com Product
#416, pigmented or clear at a coverage of 115 square feet per gallon.
Allow 48 hours cure time before permitting any traffic on the finished
All products proven to be defective in manufacture will be
replaced at no charge. Since the use of these products is beyond our control we
cannot accept damage in excess of the purchase price of these products.
If Epoxy.com Product #450 X2 is damaged, it can be repaired by cleaning
the surface with M.E.K. and recoating it with Epoxy.com Product #450 X2
Measuring Standard and Conditions
Base Coat #452
Results Base Coat #416
Adhesion (Peel Strength)
90 PLI on primed concrete
210 PLI on NO. 5001
Peel Strength on Plywood
95 PLI cohesive failure)
90% by weight
78% by weight
.03% by weight
Temperature Service Range
Moisture Vapor Transmission
(a) 15 mil (0.015") dry film
(b) 30 mil (.30") dry film
Cured 7 days at 77F and 50%RH
(a) 3.7 perms ± 0.6
(b) 2.4 perms ± 0.4
A.S.T.M. C-501-62T 30 mil dry film on 4" x 4" metal,CS-17
wheel, 1000 rev. with1000 grams weight
No change in weight
No change in weight
220 lbs./lin. inch
188 lbs./lin. inch
Perpendicular Bond Strength on Plywood
185 P.S.I plywood failure
The topcoatings for this system are
available in many colors
You can estimate your job using our 450x2 calculator.
You can also use the spreadsheet below. The 450x2 calculator will give you more
details about the products used, because it allows more variables for your input
to try to estimate your job more accurately. Be careful in using the calculator
below, to only modify the square footage. If you modify anything else it
will not work properly. If you cannot use (or see) the spreadsheet
above try enabling Active X controls.
Proper mixing and installation is critical to the
optimal success of all product. See
& MSDS for more details on our
products. Be sure to contact us with any questions and/or concerns
that you have.
For more information on Epoxy.com Products please
Unless other wise agreed upon in writing, buyer is responsible for the
cost of shipping.
This information is presented in good faith to assist in determining
whether this product is suitable for application. No warranty or
representation, however, is intended or made, nor is protection from any
law or patent to be inferred, and all patent rights reserved.
division of Epoxy Systems, Inc. (hereinafter known as "Supplier"
warrants its products (when properly stored) for the period of time as
follows: Epoxy one (1) year; Polyesters, Methyl Methacrylate and
Polyurethanes Six (6) months. Supplier warrants that its products
will be free of manufacturing defects and will be in conformity with
published specifications when handled, stored, mixed and applied in
accordance with recommendations of Supplier. If any product fails to
meet this warranty, the liability of Supplier will be limited to
replacement of any non-conforming material if notice of such
non-conformity is given to Supplier within the warranty period for the
material (as indicated above), or within 1 year of the delivery of
materials (whichever is sooner). Supplier may in its discretion refund
the price received by Supplier in lieu of replacing the material. No
customer, distributor, or representative of Supplier is authorized to
change or modify the published specifications of this warranty in any
way. No one is authorized to make oral warranties on behalf of Supplier.
In order to obtain replacement or refund the customer must provide
written notice containing full details of the non-conformity. Supplier
reserves the right to inspect the non-conforming material prior to
replacement. EXCEPT FOR THE EXPRESSED WARRANTY STATED ABOVE, THERE ARE
NO OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING WITHOUT LIMITATION,
ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PURPOSE.
SUPPLIER'S OBLIGATION SHALL NOT EXTEND BEYOND THE OBLIGATIONS EXPRESSLY
UNDERTAKEN ABOVE AND SUPPLIER SHALL HAVE NO LIABILITY OR RESPONSIBILITY
TO THE PURCHASER OR ANY THIRD PARTY FOR ANY LOSS, COST, EXPENSE, DAMAGE
OR LIABILITY, WHETHER DIRECT OR INDIRECT, OR FOR INCIDENTAL OR
CONSEQUENTIAL DAMAGES. All quotes and sales subject to availability.
Many of our
products are made on an individual order basis. Unless
authorized in writing by us in writing before the material is made,
there are no returns on items purchased from us, once the order has been
processed, and the material made. In the event of authorized returns a
restocking charge will be charged in the amount of 30% of the value of
the material returned or $150 whichever is greater. No returns on
non-list priced items. All Returns are for merchandise (store)
credit only, no cash or credit card credits. In the event of a
return, buyer is responsible for the cost of shipping and handling in