Description :
Siddhi expansion joint filler board is made compressed dry wood fibers impregnated with bitumen prior to being compressed to ensues that to prevent cracking due to change in the weather and allows joint to freely expand in summers and contract in winters without damaging the concrete slabs. It also prevents deposition of foreign material that helps free movement of concrete during expansion & contraction and thus prevents cracking.
SRU filler board have excellent resistance to compression and outstanding recovery characteristics, high resilience property gives more than 80%recovery
While using bitumen filler board as waterproofing, expansion & contraction in
construction because of it’s unique property of bitumen long chain of hydro carbon molecules, the molecular activity becomes slow at low temperature in winter season and increase a high temperature (summer season). This behavior of molecules gives resistance of waterproofing and expansion and contraction.
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- Traffic surface & internal surface
- Building structure
- Reinforcement concrete structure
- Bridge, Highway, Road, etc.
Application :
- IS-1838(Part –I)1983
- ASTM- 1751
- B.S.1142for standard
- Specification for expansion joint filler
Physical Properties :
Siddhi expansion joint filler board confirming of the following Required standard:
Size Available
| Thickness | Length | Packing |
|---|---|---|
| 12mm | 4feet x 4feet | 8 sheet in wooden crates |
| 18mm | 4feet x 4feet | 8 sheet in wooden crates |
| 20mm | 4feet x 4feet | 8 sheet in wooden crates |
| 25mm | 4feet x 4feet | 8 sheet in wooden crates |