Original vintage heating catalog for SONOCO PRODUCTS COMPANY. Laminated Fibre Duct for slab-on-ground perimeter heating. Sonoco was known for using asbestos in felt wrap paper, although asbestos is not mentioned in the catalog. Sonoairduct recognized by builders and heating contractors as an improved, lower cost method of perimeter heating system installation. Specifically developed for use only as supply or return lines in loop, radial and lateral slab-on-ground systems using gas or oil fired furnaces, and should be encased in concrete. Pictured is home construction site in Atlanta ready for pouring of slab. Edwards Ruffin Heating Service truck, and Nordec Inc truck can also be seen. Methods of installation are illustrated. Construction Products Division located in Hartsville, SC. This unique old four page 1954 architectural technical specifications brochure would make a marvelous addition to your engineering library. Pages are loose and contain a small amount of residual glue on edge.
- SKU zg730
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