Flooring underlayments may be formed by combining an epoxy based resin component, a curing agent component, and an aggregate component. The resulting underlayment may be a lightweight material with a low viscosity that allows the underlayment to be self-leveling. Further, the underlayment may be des
Flooring underlayments may be formed by combining an epoxy based resin component, a curing agent component, and an aggregate component. The resulting underlayment may be a lightweight material with a low viscosity that allows the underlayment to be self-leveling. Further, the underlayment may be designed for application in both wet and dry spaces. In certain embodiments, the underlayment may have a weight less than approximately 7.8 kg/m2 (1.6 lb/ft2) when applied at a nominal thickness of 0.635 cm (0.25) inches. Moreover, the underlayment may be designed to conform to the SOLAS requirements administered by the International Maritime Organization (IMO). Specifically, the underlayment may be designed to conform to IMO Resolution MSC.61(67).
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1. A self-leveling flooring underlayment kit, comprising: an epoxy resin component comprising one or more Bisphenol F based epoxy resins, or one or more Bisphenol A based epoxy resins, or combinations thereof;a curing agent component comprising one or more amine based curing agents configured to cur
1. A self-leveling flooring underlayment kit, comprising: an epoxy resin component comprising one or more Bisphenol F based epoxy resins, or one or more Bisphenol A based epoxy resins, or combinations thereof;a curing agent component comprising one or more amine based curing agents configured to cure the epoxy resin component upon mixing; andan aggregate component comprising expanded glass granules and hollow glass microspheres, wherein the hollow glass microspheres comprise alumino-silicate microspheres, and wherein a majority of the expanded glass granules have a largest cross-sectional diameter greater than or equal to approximately 0.1 mm and less than or equal to approximately 2.0 mm, wherein a majority of the hollow glass microspheres have a largest cross-sectional diameter greater than or equal to approximately 5 microns and less than or equal to approximately 500 microns, and wherein the expanded glass granules and the hollow glass microspheres are configured to be suspended within the epoxy resin component and the curing agent upon mixing to form the self-leveling flooring underlayment. 2. The underlayment kit of claim 1, wherein the epoxy resin component comprises a Bisphenol F derived liquid epoxy resin with an epoxide equivalent weight of approximately 160 to 195 grams per equivalent, or a Bisphenol A derived liquid epoxy resin with an epoxide equivalent weight of approximately 180 to 195 grams per equivalent, or a combination thereof. 3. The underlayment kit of claim 1, wherein the epoxy resin component comprises at least one of an epoxy based resin, a diluent, a flame retardant, and an additive. 4. The underlayment kit of claim 1, wherein the epoxy resin component comprises approximately 20 to 24 percent by weight of epoxidized Bisphenol F based resins, approximately 7 to 11 percent by weight of glycidyl ether diluents, approximately 65 to 69 percent by weight of flame retardants, and approximately 0 to 4 percent by weight of additives. 5. The underlayment kit of claim 4, wherein the additives comprise wetting and dispersing additives, thixotrope additives, foam reducing additives, and pigments, and wherein the flame retardants comprise isodecyl diphenyl phosphate, zinc borate, aluminum trihydrate, magnesium hydroxide, and polychlorinated aliphatic compounds. 6. The underlayment kit of claim 1, wherein the epoxy resin component comprises approximately 20 to 24 percent by weight of epoxidized Bisphenol F resins, approximately 7 to 11 percent by weight of glycidyl ether diluents, approximately 13 to 17 percent by weight of isodecyl diphenyl phosphate, approximately 5 to 9 percent by weight of a polychlorinated aliphatic compound, approximately 11 to 15 percent by weight of aluminum trihydrate, approximately 16 to 20 percent by weight of magnesium hydroxide, approximately 13 to 17 percent by weight of zinc borate, and approximately 0 to 4 percent by weight of additives. 7. The underlayment kit of claim 1, wherein the curing agent component comprises at least one of an aliphatic amine, a cycloaliphatic amine, an amidoamine, or a polyamide, or combinations thereof. 8. The underlayment kit of claim 1, wherein the curing agent component comprises approximately 55 to 59 percent by weight of a cycloaliphatic amine curing agent, approximately 2 to 6 percent by weight of an aliphatic amine curing agent, approximately 14 to 18 percent by weight of a polyamine curing agent, approximately 12 to 16 percent by weight of one or more tertiary amine curing agents, and approximately 6 to 10 percent by weight of isodecyl diphenyl phosphate. 9. The underlayment kit of claim 1, wherein the expanded glass granules comprise at least one of expanded glass beads, pretreated expanded glass beads, or water pretreated expanded glass beads, or combinations thereof. 10. The underlayment kit of claim 1, wherein the aggregate component comprises approximately 75 percent by weight of the expanded glass granules and approximately 25 percent by weight of the hollow glass microspheres, and wherein the expanded glass granules comprise expanded glass beads. 11. The underlayment kit of claim 1, wherein the aggregate component comprises approximately 50 percent by weight of expanded glass beads each with a largest cross-sectional diameter greater than or equal to approximately 0.25 mm and less than or equal to approximately 0.5 mm, approximately 25 percent by weight of expanded glass beads each with a largest cross-sectional diameter greater than or equal to approximately 0.1 mm and less than or equal to approximately 0.25 mm, and approximately 25 percent by weight of alumino-silicate microspheres. 12. The underlayment kit of claim 1, wherein the underlayment kit comprises approximately 5 parts by weight of the epoxy resin component, approximately 1 part by weight of the curing agent component, and approximately 2 parts by weight of the aggregate component. 13. A flooring comprising: a substrate; anda self-leveled underlayment disposed on the substrate, the underlayment comprising a mixture of: an epoxy resin component;a curing agent component; andan aggregate component;wherein the underlayment has a weight of less than approximately 1.6 lb/ft2 when applied at a nominal thickness of 0.25 inches and complies with International Maritime Organization Resolution MSC.61(67). 14. The flooring of claim 13, wherein the underlayment complies with the Smoke and Toxicity Test specified in Part 2 and the Test for Surface Flammability specified in Part 5 of the International Maritime Organization Resolution MSC.61(67). 15. The flooring of claim 13, wherein the underlayment meets the requirements for Class 2 Type I and/or Class 2 Type II underlay materials specified in Military Specification MIL-PRF-3135H. 16. The flooring of claim 13, wherein the underlayment comprises approximately zero volatile organic content. 17. The flooring of claim 13, wherein the underlayment comprises a weight of approximately 1.1 to 1.3 lb/ft2 when applied at a nominal thickness of 0.25 inches. 18. The flooring of claim 13, wherein the underlayment comprises a compressive strength of approximately 2000 to 25000 psi per ASTM C579-01. 19. The flooring of claim 13, wherein the underlayment comprises a flexural strength of approximately 1200 to 1400 psi per ASTM C293-08. 20. The flooring of claim 13, wherein the underlayment comprises a tensile strength of approximately 600 to 800 psi per ASTM D412-06ae2. 21. The flooring of claim 13, wherein the underlayment is substantially nonporous. 22. A method of making a self-leveling underlayment kit, comprising: mixing one or more epoxidized Bisphenol F resins, one or more glycidyl ether diluents, one or more flame retardants, and one or more additives to form an epoxy resin component;mixing one or more amine based and/or waterborne curing agents to form a curing agent component;mixing expanded glass granules with a largest cross-sectional diameter greater than or equal to approximately 0.1 mm and less than or equal to approximately 2.0 mm and hollow glass microspheres with a largest cross-sectional diameter greater than or equal to approximately 5 microns and less than or equal to approximately 500 microns to form an aggregate component, wherein the hollow glass microspheres comprise alumino-silicate microspheres; andpackaging the epoxy resin component, the curing agent component, and the aggregate component together to form the self-leveling underlayment kit. 23. The method of claim 22, wherein mixing one or more epoxidized Bisphenol F resins, one or more glycidyl ether diluents, one or more flame retardants, and one or more additives to form an epoxy resin component comprises: mixing the epoxidized Bisphenol F resins and the glycidyl ether diluents together to form a mixture; andadding the flame retardants and the additives to the mixture. 24. The method of claim 22, wherein packaging comprises packing an epoxy resin component container and a curing agent component container within an aggregate component container. 25. The method of claim 22, wherein the self-leveling underlayment kit comprises a weight of approximately 1.3 to 1.6 lb/ft2 when applied at a nominal thickness of 0.25 inches. 26. The flooring of claim 13, wherein the underlayment comprises a weight of approximately 1.3 to 1.6 lb/ft2 when applied at a nominal thickness of 0.25 inches.
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