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FLEXI-SEAL 510, 510-U



FLEXI-SEAL 510 & 510-U are two-component, highly flexible 100% solids epoxies. They are designed for a variety of specialty uses, including:

To fill, bridge and seal small "working" cracks in concrete, wood and steel while resisting traffic, abrasion, vibration and thermal shock. They are particularly useful for sealing and waterproofing cracks up to 1/8" wide in concrete floors and parking decks, such as shrinkage cracks, settling cracks, flexural (negative moment) cracks and construction joints.

In parking deck applications , FLEXI-SEAL 510 & 510-U provide a means of effectively stopping leakage through the slab at low cost. A three-year study involving treatment of over five miles of cracks in five open, unheated, multi-level commercial parking garages in New York City proved FLEXI-SEAL 510 capable of achieving success rates well above 90% at a fraction of the cost of more expensive repair methods. (PARKING Magazine, April 1990: Concrete Repair Bulletin, IACRS, May 1990; Parking Technology, July 1991). In addition, FLEXI-SEAL 510 exhibited no tendency to induce parallel cracking, as may occur with high modulus epoxy crack sealants and methyl methacrylate systems.

As a "Sealer/Healer" on cracked decks, by simple flood coat application. In such cases, FLEXI-SEAL 510 effectively penetrates cracks while providing a more abrasion-resistant seal coating than competitive, more expensive High Molecular Weight Methacrylate Monomer systems.

To repair control joint and expansion joint nosings which have been damaged by repeated impact, or to prepare flexible patches for areas subject to high vibration or deflection.

In industrial flooring applications , damages to joints in forklift traffic aisles are effectively repaired, providing improved impact resistance.

FLEXI-SEAL 510 features very low moisture insensitivity and high elongation.

FLEXI-SEAL 510-U features low to moderate viscosity and very high elongation.

Flexi-Seal 510, 510-U Data Sheet

Flexi-Seal 510, 510-U SDS: PART A, PART B


Edison Coatings, Inc. Products are manufactured in the USA from US and foreign components.
E-NHL 2, E-NHL 3.5 White and E-NHL 5.0 are Products of France.
E-NHL 3.5 Buff and Ruregold are Products of Italy. Marfil is a Product of Spain.

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Last Updated:

Monday, February 5, 2024

Society for the Preservation of Historic Cements, Inc.


Edison Coatings, Inc. makes no warranties, express or implied, as to the accuracy or completeness of any of the information contained herein. This publication is offered on a complimentary basis as a service to potential customers or specifiers. While every effort has been made to include complete and accurate information, based on data and information believed to be reliable, it is the sole responsibility of the user to determine its suitability for his own intended use and purposes. Nothing contained herein shall be construed as a warranty or guarantee of any product, process or any other recommendation stated herein. Edison Coatings, Inc. assumes no responsibility for advice given, results obtained, or for any damages whether incidental or consequential, which may be incurred as a direct or indirect result of the use of this information. By proceeding to use this information, user acknowledges and agrees that he is doing so at his own risk, and user indemnifies and holds Edison Coatings harmless against any liabilities, costs or expenses resulting therefrom. All product sales are further governed by the Edison Coatings, Inc. CONDITIONS OF SALE. Privacy Policy.

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