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Speciality Cores

Sonoco Alcore offers speciality cores including construction cores and metal cores.

Sonotube

Build smarter with Sonotube

Our construction products are the most economical and efficient way to build round columns for buildings, entryways, structural columns, light posts and other commercial and residential structures. 

Select a Sonotube product below to learn more about their specifications and the beneifts they offer. Alternatively, visit sonotube.eu for more information or click the button below to contact us with any enquiry you might have.

Sonotube STANDARD

The STANDARD finish will allow a spiral in relief to appear on the concrete when stripping. Ideal for columns that will be plastered/patched or for posts in the basement, parking, foundation wells.

Sonotube Plus

The PLUS finish will give a smooth appearance to your concrete with one/two vertical projecting lips (depending on diameter) and are fitted with one/two form stripping zips.

Sonotube Square & Rectangular

To make your square and rectangular columns, we offer a complete range of moisture-resistant cardboard formwork which will give a smooth finish to your concrete.

Metal Cores

We work closely with our clients to provide a core that safely supports metal rolls

In order to correctly specify paper cores for metal industries, not only is it is important to understand the material type, but also to understand a client’s production process and requirements.

In conjunction with the material type (be it stainless steel, aluminium, or other metal sheets) we need to understand the caliper of the material and possible coatings. Depending on the process requirements, we can determine what core design is needed and supply a product with suitable specifications to fulfill your project needs.

Case Study

Solving V-buckle and sag issues

This producer of aluminum coated products uses different cores for different calipers and experience sags and v-buckles in the aluminum, costing up to €30K per roll and damaging the aluminum.

We visited the producer’s sites and performed testing at our Core Competency Centre to optimise cores for each site. As a result, the customer avoided v-buckle and sag issues, saving €30K per damaged roll as well as 5-10% cost savings on core spend through our optimisation project.   

Explore more of our paperboard, textile, film and speciality core solutions.

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