Produkt mají v nabídce:
Helical Piles - Perko, Howard A. (Ph.D., P.E., Fort Collins, CO)
Less invasive than a traditional poured foundation, using helical piles as a foundation gains points in the USGBC's LEED rating system, making this an important green building technology. Helical Pile Sourcebook offers a practical, real-world approach to the design and installation of helical piles.
