Underlay Black 250 Micron Construction Sheet 3m x 30m Roll Rail Ballast Technical Data L300 L500 L750

Technical Data L300 L500 L750 Mass per block -

65–70% open area

the bark is stripped from pine trees at the timber mill

The positive electrical charges of the emulsifier on the bitumen droplets are attracted to the free negative ions of the aggregates

Available in Rock Face finish

Underlay Black 250 Micron Construction Sheet 3m x 30m Roll Rail Ballast Technical Data L300 L500 L750Underlay Black Damp proof black underlay sheeting is to be laid under concrete flooring to prevent rising moisture by acting as a waterproofing. ADVANTAGES Excellent tear and puncture resistant properties Better curing of concrete and prevents contamination Prevents unhealthy living conditions Prevents rising moisture by acting as a waterproofing SPECIFICATIONS: SANS 952 2021 Film Type F : Polyethylene sheeting SIZES AVAILABLE: 1m x 30m x 250mic 2m x