UNDERLAYS
Underlays for Water-tightness
1) RAINSHIELD
Product Features: • Cost effective alternate to conventional
waterproofing • Nail sealing property ensures nail holes are sealed • UV resistant coating for longer life
Technical Details: • Unique two layer construction: (a) UV resistant
non-woven fabric with rubberised polymers and (b) Water resistant
membrane• Available roll size: 1.5 m x 50 m covering 75 sq m
Underlays for Heat Reflection
2) VELTISUN RadenShield™
Product Features: • Dual benefi t of 100% water-tightness and thermal
insulation • Highly tear resistant • Easy-to-install
Technical Details: • Structure of seven layer material: (a) Aluminium foil
for heat refl ection (b) Nail sealing layer for compete water-tightness (c) Poly propylene spunbond layer for better strength • Total thickness 550 um+/- 10 um (um-micron) • Available roll size: 1.5 m x 50 m
covering 75 sq m
3) RADIANT BARRIER
Product Features: • Reflects 97% heat radiation and maintains lower
temperature beneath the roof • Highly tear resistant • Works as a
secondary waterproofi ng layer below the tiles
Technical Details: • Heat & UV reflecting underlay • Aluminium coated
Poly Ethylene (PE) woven fabric • Top surface is coated with pure
aluminium • Available in rolls of size 1.25 m x 48 m covering 60 sq m
4) RADENSHIELD BUBBLE
Product Features: • Dual side aluminium layer for better heat insulation
• Improved conductive and convective heat resistance • Refl ects 97% of heat
radiation • Highly tear resistant
Technical Details: • Unique five layer construction with bubble carriers
• Scrim reinforced for higher tear resistance • Available roll size:
1.22 m x 40 m covering 48.8 sq m • Bubble size: 20 mm dia and
thickness: 8 mm
covering 75 sq m
