These guidelines are developed in accordance with the contract between the company "Penoplex" and Soyuzdornia . Methodical recommendations are developed in the development of the current "Instructions for the design of non-rigid road clothes" (VSN 46-83), taking into account the prepared international (for the CIS countries) Construction standards MSM 46-2000 "Design of non-rigid road clothes" , as well as in the development of VSN 84-89 "Search, design and construction of roads in permafrost areas" . The recommendations are intended to provide an opportunity to accumulate practical experience in the use of thermoinsulating layers of extrusion foam "Penoplex" in the construction of road clothes . Methodological recommendations developed by: Dr. Technic. Science, prof. In. D. Kazarnovsky,Dr. Geological-Mineral . Science, prof. C. E. Grechyschev,k. t. n. E. C. Pshenichnikova with the participation of inge . N. and . Black and c. t. n. and . In. Leitland . Implementation of these Guidelines, both in terms of design and construction, should be carried out with the scientific support of Soyuzdornia, as well as with the participation of the manufacturer of "Peno-plex", used on a particular object . At the same time, observations of the constructed design process of their operation should be provided. Comments, suggestions and questions about the "Help"please address: 143900, g. Balashikha-6, Moscow Region . ,sh. Enthusiasts, 79, Soyuzdornia