Tech Briefs

17 Aug 2023

Colloidal silica increases concrete strength

By Carl White Colloidal silica post-placement pozzolan (P3) reacts with Calcium Hydroxide (CH) to form secondary Calcium Silicate Hydroxide (CSH). This increases concrete strength and reduces […]
20 Jun 2023

Colloidal silica and silicate salts

In this article, Carl White discusses the difference between colloidal silica post-placement pozzolan (P3) and silicate salt admixtures. Silicate salt admixtures generally consist of sodium, potassium […]
25 May 2023

Colloidal silica improves concrete structural integrity

By Carl White SprayLock Concrete Protection’s (SCP) colloidal silica post-placement pozzolan (P3) technology improves concrete structural integrity. Design professionals need to know that concrete will perform […]
13 Apr 2023

Colloidal silica reduces reinforcing steel corrosion

By Carl White United States-based Spray-Lock Concrete Protection’s colloidal silica post-placement pozzolan technology reduces reinforcing steel corrosion in concrete. Reinforced concrete remains one of the most […]
6 Dec 2022

Colloidal silica reduces drying shrinkage

By Carl White Our colloidal silica post-placement pozzolan technology reduces drying shrinkage. One of the challenges associated with concrete is that it shrinks, a change in […]
25 Nov 2022

Colloidal silica a superior curing medium

By Carl White Colloidal silica post-placement pozzolan technology is often used as a superior curing medium. Testing has shown that SCP treatments are comparable to or […]
10 Nov 2022

Colloidal silica maximises concrete performance

By Carl White The microstructure of cement paste as it hydrates. Notice the growth of C-S-H on the cement minerals over time. The blue is C2S, […]
26 Oct 2022

Colloidal silica reduces water vapour transmission

By Sheldon White Our colloidal silica post-placement pozzolan technology reduces moisture vapour transmission to levels that are low enough for most moisture-sensitive flooring materials according to […]
19 Oct 2022

Colloidal silica used with any flooring

By Sheldon White Colloidal silica post-placement pozzolan technology can be used with any flooring coverings and adhesives that are to be placed over concrete. It does […]