Moisture travels through soils, beneath basement floor levels, and migrates into the air releasing soil gases. These gases accumulate or concentrate when captured; particularly in poorly ventilated buildings. Radon is classed as a chemically inert, noble gas and is of the same family as helium, ...
Builders Seek to Prevent Radon Problems; Firms Are Installing Ventilation Systems, Sealing BasementsSam Hankin
The system protects the interior of a building against the inflow of radon gas escaping from the ground. The simplest system incorporates a foundation layer (1) under the floor. This layer is covered with an impervious layer (3) of poured asphalt. The foundations of the walls (3) extend ...
The system protects the interior of a building against the inflow of radon gas escaping from the ground. The simplest system incorporates a foundation layer (1) under the floor. This layer is covered with an impervious layer (3) of poured asphalt. The foundations of the walls (3) extend ...