D V Engineering

Onduvilla is Manufactured by a Patented Process Which Ensures Even Penetration of Bitumen. This Ensures That the Sheet Has a High Dimensional Stability and Prevents Delamination. The Colouring of the Sheet is Achieved Through a Unique Pigmentation Process Which Ensures That the Colour is Stained, Onduline Sheets Retain Their Colour Over a Long Period With Out Fading and Surface Peeling.