Skylight Top Replacement, Skylight Glass Replacement | Skylight Specialist, Inc., Skylight Specialist, Inc. offers 30 years of experience in the skylight industry. If you need a repair, new skylight or just replacement top we are the source for all your skylight needs. With experience with most brand skylights including Insula-dome, thermo-Vu and Ventarama we have the knowledge to help you. Skylight Top Replacement, Skylight Glass Replacement. We install Roto Skylights, Insula-Dome, Thermo-Vu, Ventarama.