FAQ: 
Polystyrene Insulation & Products

Quick answers to common questions about EPS and how we supply it. 

 FAQs

Is Expanded Polystyrene (EPS) recyclable?

Yes, EPS can be 100% recycled. At Polycutters, all offcuts and waste streams are recycled as part of our zero-waste-to-landfill policy.

What thicknesses can you supply?

We can supply sheets from 5mm up to 600mm thick, and cut to your required dimensions.

Is polystyrene insulation fire resistant?

EPS insulation is commonly supplied as B1 fire retardant material - it will melt, but not burn on its own and will self-extinguish when the flame source is removed.

Do you offer custom cutting?

Yes - we offer custom cutting including CNC hot-wire cutting for profiles, shapes, packaging inserts and bespoke items.

What is polystyrene?

Polystyrene is a type of insulating material made from polystyrene foam, commonly used to reduce heat transfer in buildings and various applications.

How is Expanded Polystyrene (EPS) made?

EPS insulation is made by expanding small polystyrene beads using steam and then molding them into large blocks. 

Where is polystyrene commonly used?

Polystyrene is used for ceilings, walls, roofs, floors, and pipes in residential, commercial, and industrial buildings.

What are the benefits of polystyrene?

Benefits include effective thermal insulation, lightweight construction, moisture resistance, ease of installation, and cost-effectiveness. 

Can polystyrene reduce energy costs?

Yes, by minimizing heat transfer, polystyrene can help reduce heating and cooling energy consumption in buildings. 

Can polystyrene be used for soundproofing?

Polystyrene can help reduce sound transmission to some extent, especially when used as part of a multi-layered insulation system. 

How long does polystyrene insulation last?

With proper installation and maintenance, polystyrene insulation can last for many years, providing consistent thermal performance. 

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