2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/107225We use direct products of Einstein Metrics to construct new solutions to Einstein's Equations with cosmological constant. We illustrate the technique with three families of solutions having the geometries Kerr/de Sitter X de Sitter, Kerr/anti-de Sitter X anti-de Sitter and Kerr X Kerr.6 pages, submitted to General Relativity and GravitationGeneral Relativity and Quantum Cosmologytext