Vaisala HM44 - Manual (Page 17)

Chapter 5 ____________________________________________ Humidity measurements in concrete
VAISALA __________________________________________________________________________ 15
Maximum humidity levels for coating
SisäRYL 2000 Code of Building Practice (RT 14-10668, 2000, ISBN 951-682-506-0)
recommends the following maximum humidity levels (at +20
°C) for coating of various
materials :
Wooden floor coverings
Maximum
RH (%)
Coating
60 1
Wooden parquet boards without moisture barrier (plastic film)
between wood and concrete.
80 1
Enlaid wooden floor coverings.
Floating wooden floor coverings with moisture barrier (plastic
film) between wood and concrete.
1
SisäRYL 2000 Code of Building practice, RT 14-10668, 2000, ISBN 951-682-506-0, page 332.
Other materials
Maximum
RH (%)
Coating
85 1
Plastic floor coverings with fibre felt base or cellular plastic
base
Rubber floor coverings
Cork tiles with moisture barrier (plastic film)
Textile floor coverings with rubber, PVC or latex base
Natural fibre textile floor coverings without base
90
1
Plastic tiles
Plastic floor coverings without felt or cellular plastic base
Linoleum (Cork)
Man-made fibre textile floor coverings without base structure
97
Epoxy mass
Acrylic mass
Polyester plastic mass
1
SisäRYL 2000 Code of Building practice, RT 14-10668, 2000, ISBN 951-682-506-0, page 318.