Patent Number: 6,167,668

Title: Finished flooring underlayment and method of making same

Abstract: A finished flooring underlayment is disclosed including a flexible membrane which is resistant to water, mold and deterioration under wet or dry conditions, and which has intertwined filaments bonded to the membrane surface that act as mortar reinforcement and as gauges to provide a uniform thickness of application for cementicious mortar. The mortar is provided separately and is mixed to a suitable consistency with either water or latex additive, then poured or placed on the mat, utilizing the gauges provided by the filaments to effect a uniform thickness of application. This mortar hardens to a strong, load bearing surface or slab suitable for application of finished flooring.

Inventors: Fine; Steve B. (West Haven, CT), Quinn; Francis X. (Southbury, CT)

Assignee: Laticrete International, Inc.

International Classification: B32B 13/02 (20060101); B32B 13/00 (20060101); E04F 15/18 (20060101); E04F 015/022 ()

Expiration Date: 01/02/2018