Underlay Black 250 Micron Construction Sheet 3m x 30m Roll Rail Ballast 65–70% open area

65–70% open area

Cost-Effective – Reduces material usage and construction time

Environmentally Friendly – UV-stabilised and resistant to biological degradation

4m x 30m x 250mic

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

Underlay Black 250 Micron Construction Sheet 3m x 30m Roll Rail Ballast 65–70% open areaUnderlay 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