CW400 Ultra High Gloss Low VOC. water base

Click To Download MSDS
A) Composition

Classic Coatings CW400 MEGA DURA is a clear single component sealer that is designed to be used over all of Classic's stains, polymer modified cement toppings, waterborne colorants, concrete, masonry, pavers, stone and brick. CW400 is a waterborne acrylic with low voc and high solids. May be used for interior or exterior applications in a wide range of climates. Classic Coatings MEGA DURA sealer provides as an excellent water repellent, UV stabilizer and will not yellow. CW400 MEGA DURA is formulated primarily as a clear seal for applications over concrete restoration projects and pool deck coatings. It is ideal for where a low maintenance, easily cleanable surface is desired. It is typically applied over concrete surfaces but may also be applied to pavers, spanish tile, stucco, masonry, bricks, wood and natural stone but provided that the surface is properly prepared. MEGA DURA sealer is environmentally safe and cleans up with soap and water. Available in 1gl, 5gl and 55gl drums. Caution: Surface is slippery when wet. New concrete must cure for 28 days before sealer is apply.

B) Typical Uses
C) Advantages and Limitations


A) System thickness 2-3 wet mils per coat
Standard application is two coats

B) Coverage per liquid gallon 300-450 sq ft per gallon

C) Abrasion - (Excellent)

D) VOC 89 g/l

E) Degree of Gloss Hi-Gloss

G) Solids content by weight 29.465%

H) Solids Content by Volume 29.465 %

I) Cure Time at 77° F
Dry to touch - 30min.
Recoat - 1-2 hours Light foot traffic 12 hours
Full cure - 7 days

Attention: Read MSDS before Handling and Application

A) Prepare surface by carefully and thoroughly removing all traces of any foreign matter.
B) Apply first coat of CW400 MEGA DURA sealer by brush, roller or sprayer. (Repeat step B for the second coat.)
C) A third application may be required in high traffic areas.

PH# (714) 720-6954
Fax# (951) 371-0817

It is HIGHLY recommended that onsite samples and mock-ups be made by the applicator. Representative test sections must be produced for the Owner’s approval in writing and to ensure that applicators are familiar with the product and installation procedures.

Disclaimer: The information and recommendations contained herein are based upon data believed to be correct; however, no guarantee or warranty of any kind, express or implied is made with respect to the accuracy of the information contained herein. We accept no responsibility and disclaim all liability for any harmful effects, which may be caused by exposure to our products. Customers and users of this product must comply with all applicable health and safety laws, regulations and orders.