HARDEN-IT – Sodium Silicate for Concrete Floors

HARDEN-IT is sodium silicate sealer, hardener and dustproofer for new concrete or existing concrete floors

Increases surface hardness & abrasion resistance of concrete

Anti-dusting treatment for concrete


Sodium Silicate Hardener

HARDEN-IT is a water based silicate solution concrete sealer which penetrates into the pores of concrete surfaces where it can chemically react with the available lime to densify and harden the surface from within.

This product is supplied in 20L pails. Orders before 2pm will be dispatched the same working day. Orders after this cut off will dispatched the following working day.

Key benefits
Spray applied & must be Scrubbed in

HARDEN-IT concrete sealer is a simple spray applied application. All applications to be SCRUBBED to remove any excess product not absorbed into the concrete before it dries on the surface. If excess is not removed, there is potential risk of surface whiting, or discoloration

Can be applied to new or aged concrete

HARDEN-IT is a sodium silicate based concrete hardener and dustproofer can applied to new concrete or existing concrete floors. Ideal for use in warehouses, distributing centres, large retails centres.


HARDEN-IT being water based is a 100% NIL VOC concrete hardener,

Case studies

HARDEN-IT at work

Ideal for use in warehouses where a cost effective concrete hardener is the requirement

Warehouse Floors

Hardening & anti-dusting of warehouse & bulk retail


All the details you need.


Downloadable product information, technical data sheets, MSDS and architectural specifications.


Let's talk
about it

We understand that choosing the correct solution and type of product is essential for the success of any project. MARKHAM has a technical support team with many years of concrete industry experience and successful project applications and are ready to help you find the right solution for your application.

Ask an expert

0800 693 694

Monday to Friday.

9am to 5pm.