Sunday 7 December 2014

How to bond old and new concrete - Extending a concrete slab.





Renovating your construction? Need to extend your roof slab? Want to build a new balcony or chajja? You will need to extend an existing concrete slab. Old and new concrete are not exactly best of friends. Old and new concrete have to be bonded to create a water tight joint. Epoxy bonding agents are the ideal solution. Also new rods have to be anchored into the old concrete slab. To achieve this, polyester anchor grouts are the solution.

Materials Required
. Anchoring Grout
. Epoxy Bonding Agent
. Mason's tool kit
. Hammer drill and Bit
. Reinforcements Steel Rods
. Concrete Mix

Procedure
. Chip the old concrete slab to expose reinforcement rods.
. Drill 12" deep holes the diameter of the steel rebars at regular intervals in the section of the exposed slab.
. Mix the polyester resin and filler powder of the anchoring grout and partially fill the holes.
. Push the rebars into the holes within 15 minutes of filling the holes and allow the grout to set.
. Mix the 2 part epoxy bonding agent and apply on the exposed concrete with a brush.
. Pour the new concrete within 45 minutes of applying the bonding agent.
. Allow the concrete and bonding agent to set.

We have a water tight new construction.

Products in store

Epoxy Bonding Agents

. Sika Hibond













. Fosroc Nitobond EP

















Polyester Anchoring Grout

. Fosroc Lokfix


















In Store now at 
Shree Venkateshwara Traders
#712, Modi Hospital Road, WOC,
Mahalaxmipuram, Bangalore 560086

ph: 9036092531
email : venkateshwara.traders@gmail.com

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