When using formwork to create concrete structures, formwork treatments and release agents are different types of coatings that can be applied to the surface of the formwork itself, prior to concreting. The primary function of release agents is to facilitate the easy removal of the formwork or shuttering, preventing the adhesion of the fresh concrete to the formwork surface without affecting the finished surface of the cured concrete.
Other benefits of using the correct release agent include: Reducing the incidence of blowholes and cracks;
Delivering the recommended surface finish for the concrete; Reducing the loss of water from the concrete due to absorption into timber formwork;
Reducing the leakage of water and moisture from the concrete during the curing process; Protecting the formwork and shuttering components to ensure that they can be reused on future projects.
Common Types of Release Agents
Oil-based release agents with surfactants are general purpose treatments for all types of shuttering including steel formwork.
Chemical release agents dry onto the surface of the formwork to leave a thin coating which is water-resistant an compatible with all types of formwork.
Cream emulsion release agents cannot be used on steel formwork, but is widely used on other types of shuttering, especially absorbent timber formwork.
Contact BaseTec - Complete Systems. Reliably Delivered.
If you require assistance with formwork treatments and release agents or need advice on which formwork treatment or release agent product is best suited for your requirements, contact our friendly teams in Kent - 01732 906 826 - or Leeds - 0113 521 6789.
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