Applicability of various insulating materials for radon barriers

Radon diffusion and exhalation from mortar modified with fly ash: waste utilization and benefits in construction

“…The radon diffusion coefficients were measured by radon growth curve on two sides of the mortar tile placed between the two cylindrical containers as used by various researchers [11,35]. The tiles were fixed in between the two chambers using screws and a rubber gasket to avoid any leakage as shown in Fig.…”

Limited applicability of cost–effectiveness and cost–benefit analyses for the optimization of radon remedial measures

“…3), where afterwards a new floor with a radon-proof membrane had to be placed. In the remaining 8 houses (Group P), the existing floors were replaced by new floors sealed with a radon-proof membrane [6] made of 1.5 mm thick HDPE foil. The soil ventilation was formed by a network of perforated pipes (Fig.…”

Revisiting the concept for evaluation of radon protective properties of building insulation materials

“…where f lim m e specified limit value of radon exhalation rate at the upper boundary of the insulating material inside the house, that provides the required indoor radon activity concentration, taking into account the ventilation rate and house characteristics, Bq/ (m 2 s); C p s e radon activity concentration in the soil pores (or soil gas radon concentration), Bq/m 3 ; a e safety factor aimed to eliminate the inaccuracies arising during the measurements of the value C p s (the values of a can be estimated according to the soil permeability e for highly permeable soils a ¼ (7 ÷ 10), for soils with medium permeability a ¼ (3.0 ÷ 4.3) and for low permeable soils a ¼ (2.1 ÷ 3.0)) [3,4].…”

“…Note that none of the publications [3,4,9] gives a justification of the criterion (2) and the specified values of a.…”