[Epoxy Home] [Catalog of Products] [Where to Start] [Guide Specs] [Epoxy Installation Guides] [Blog Posts] [Epoxy Bonding Systems] [Chip Floors] [Chemical Resistant Epoxy] [Seamless Coatings] [Conductive Epoxy Flooring] [Crack Injection of Concrete & Wood] [Applications] [Elastomeric Polyurethane Systems]  [Seamless Garage Flooring Resins] [High Temperature Epoxy Resins] [Seamless Industrial Floors] [Joint Systems & Sealants] [Methyl Methacrylate MMA ] [Novolac Epoxy Resins] [Epoxy Mortars & Grouts] [Epoxy Novolac] [Primers Sealers] [Seamless Flooring] [Waterproofing] [Dealers Wanted] [Epoxy Installation Tips] [Who We Are]  [Epoxy Tech Data Sheets in Acrobat] [Product MSDS Sheets] [Online Order Authorization Form][Contact UsPhone 352.489.1666

  Epoxy.com Logo - Epoxy, Polyurethane, Polysulfide, Polyester, MMA - Methyl Methacrylate and other Construction Resin Systems - Over 350 Products- Since 1980Contact Us  

Epoxy.com PRODUCT #450 X2


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)


Basic Uses:
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" thick.
(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.

Shelf Life: 6 months at 77 F.

Colors: Off-white, aluminum grey, concrete grey, tan, black, limestone, beige white, tile red, forest green, bronze, aloha brown.

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.

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 system.

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 system.



Measuring Standard and Conditions

Base Coat #452

Results Base Coat #416


Shore 'A'
Sward Hardness



Tensile Strength

A.S.T.M. D-412

975 P.S.I

2,600 P.S.I


A.S.T.M. D-412



Adhesion (Peel Strength)

A.S.T.M. D-903

90 PLI on primed concrete

210 PLI on NO. 5001

Peel Strength on Plywood

A.S.T.M. D-903

95 PLI cohesive failure)


Solids Content


90% by weight

78% by weight

Water Absorption

A.S.T.M D-471


.03% by weight

Temperature Service Range


150 poises

40 poises

Moisture Vapor Transmission

A.S.T.M. E-96-66
(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

.8 perms

Abrasion Resistance

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

Tear Resistance

A.S.T.M. D-1004-66

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
Click this thumbnail to display a large color chart.

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.

   Missing: Microsoft Office Web Components
This page requires the Microsoft Office Web Components.

Click here to install Microsoft Office Web Components..

This page also requires Microsoft Internet Explorer 5.01 or higher.

Click here to install the latest Internet Explorer.


Hit Counter


Proper mixing and installation is critical to the optimal success of all product.  See Installation Tips, Techdata, & 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 contact:

A Division of Epoxy Systems, Inc
20774 W. Pennsylvania Ave.
Dunnellon, Florida 34431
Over 300 products,
Since 1980
Florida & Vermont

Office Hours: 9AM-4PM Eastern Time (6AM-1PM Pacific Time).
Closed 12Noon-1PM Eastern Time for Lunch.

321-206-1833   Customer Service - Ordering and Order Status
                          Katey Fontaine, VP - Customer Service Director

 352-533-2167  Technical Support
                         Norm Lambert, President - Technical Support Director 
352-489-1666  Accounting and Administration
                         Debby Lambert, CEO, and CFO

352-489-1625   Fax line to all Departments

Website:  www.epoxy.com

24 hour Hazmat Emergency Telephone Response Service -1-800-633-8253

We accept MasterCard, Visa, American Express, Discover, Wire Transfers, and Cashiers Checks We accept MasterCard, Visa, American Express, Discover, or Wire Transfers.

Copyright 1994-2014 (providing online information about the right product for the right job for 20 years) EPOXY.COM a division of Epoxy Systems, Inc. - Florida and Vermont.  All rights reserved.

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.

Epoxy.com a 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 both directions.


[Home] [Catalog of Products [MSDS in Acrobat Format]  [Online Ordering Authorization Form] [Add Epoxy.com to Favorites]

Hit Counter