Pumice Concrete Wall

The walls of this house are made of so called two cavity pumice concrete blocks which have the advantage of forming a strong and sturdy wall with less material than would be needed for a wall made of solid blocks.

Pumice concrete wall.

A two year university of texas austin study done for the texas dot compares the perfomance of pumice pozzolan with class f fly ash in concrete over a two year period. Specifically the results of the tests on lightweight pumice stone concrete lwpsc wall panels subjected to vertical and lateral loads are shown and compared to those obtained from similar nwc and lightweight expanded clay concrete lwecc wall panels. The pumice crete mixture is cast into place using lightweight formwork typically at a thickness of 18 24 inches and finished with a quality cementitious plaster inside and out further enhancing the thermal performance of the thick honeycomb like wall. The main results at the actual stage of this research are presented through the paper.

The r value of the completed wall official definition. The capacity of an insulating material to resist heat flow is in compliance with new mexico state requirements for insulation. Pumice concrete or even the dry pumice alone is used as an insulating cavity fill for concrete block walls. Pumice crete walls are fireproof noise dampening and economical in terms of placing.

The honeycomb like walls are formed and poured at a typical thickness of 18 24 inches with no additional. By choosing pumice crete walls all these materials are replaced with pumice aggregate a small amount of cement water and an earth plaster finish.