Anhydrite Screed vs Cemfloor: Choosing the Right Self-Compacting Floor Screed For Your Project

When it comes to self-compacting floor screeds, two popular options are anhydrite screed and Cemfloor. These screeds offer unique properties and advantages, making them suitable for different applications. In this article, we will compare anhydrite screed and Cemfloor, highlighting their composition, drying time, strength, shrinkage, and applications. By understanding their differences, you can make an informed decision when selecting the right screed for your flooring project.

Anhydrite Screed: Anhydrite screed is composed of calcium sulphate binder, sand, and water. It sets through the process of hydration, where the binder absorbs water and hardens into a solid form.

Cemfloor: Cemfloor is a quick drying cement-based self-compacting screed that consists of cement, selected aggregates, and additives. It also sets through the process of hydration.

Drying Time:
Anhydrite Screed: One of the disadvantages of anhydrite screed is its slower drying time. It dries at approx 1mm per day upto 40mm, then 1mm per 2 days after that, depending on thickness and environmental conditions.

Cemfloor: Cemfloor screed offers a faster drying time compared to Anhydrite screeds. It typically requires a shorter drying period, allowing for earlier access to the floor, this can be as quick as 28 days, depending on thickness and environmental conditions.

Strength and Durability:
Anhydrite Screed: Anhydrite screed provides good compressive strength and durability. It is capable of withstanding normal foot traffic and provides a reliable and stable substrate for floor coverings.

Cemfloor: Cemfloor screed offers excellent compressive strength and durability. It is designed to provide a robust and long-lasting flooring solution suitable for various applications.

Anhydrite Screed: Anhydrite screed exhibits minimal shrinkage during the drying process. This property helps to reduce the likelihood of cracks forming on the surface, ensuring a smooth and uniform finish.

Cemfloor: Cemfloor, like all screeds, can experience some shrinkage as it dries, although the addition of fibres or other additives can help minimize this shrinkage and reduce the risk of cracking.

Anhydrite Screed: Anhydrite screed is commonly used in both residential and commercial projects.

Cemfloor: Cemfloor screed is versatile and can be used in a wide range of projects, including residential, commercial, and industrial applications. It provides a durable and level substrate for various floor finishes, making it a popular choice across different sectors. Its fast drying time and smooth finish make it suitable for large-scale applications where time is of the essence.

Screed Aftercare

Anhydrite Screed: Anhydrite screeds do require a laitance removal service before floor finishes are applied, this means removing the top layer of skin which forms over the screed before applying your chosen finish.

Cemfloor: Cemfloor does not require laitance removal prior to floor finishes, however we would still recommend a thorough clean of the floor before any finishes are laid, also a key is still required before the laying of any latex product.

Choosing the right self-levelling floor screed is essential for a successful flooring project. Anhydrite screed and Cemfloor are both excellent options, each with its own set of advantages. Anhydrite screed offers a more cost effective option,  minimal shrinkage, and good strength. On the other hand, Cemfloor provides durability, versatility, and a faster drying time compared to other screeds. By considering factors such as drying time requirements, strength, and specific project needs, you can make an informed decision on whether anhydrite screed or Cemfloor is the right choice for your flooring project.

Contact us today to determine the most suitable screed type for your specific requirements.

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Anhydrite screed vs. Cemfloor

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