FormaVoid has an internal expanded paper honeycomb core with stiff, hard face sheets glued top and bottom. FormaVoid is manufactured from 400um box Board and readily takes up moisture to facilitate decomposition. Sheet sizes: 2500mm X 800mm can be cut easily with a hand saw.

Standard depth of void formers- 50mm 75mm 100mm 150mm 200mm

Bildavoid recommend keeping Bildavoid products dry at all times prior to concrete placement. Prepare grade to a level even smooth surface. Place voidform in position and with waterproof membrane taping the seams to avoid water or concrete silt penetration.
Important

Do not lay out void forms until ready to place concrete