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If you’re an EWI installer, you’ll know that cutting EPS (expanded polystyrene insulation) can be a right pain. EPS is a kind of polystyrene insulation, so as you can imagine as soon as you bring a knife to it the result is a messy, jagged cut with bits of polystyrene all over the place. This really isn’t ideal, especially for works like EWI where gaps between boards can cause thermal bridging and decrease the efficiency of the system.
Many of our installers stick to the old fashioned method of plan old knife or saw, however for those who install EPS regularly and are fed up with the mess we have a couple of solutions that could save you a lot of time and hassle on-site!
Using the hot wire cutter on EPS insulation
We’re all about making life easier for installers, which is why we really recommend investing in the hot wire cutter. This little bit of machinery totally eliminates the ongoing issue of EPS offcuts blowing about everywhere; the hot wire cutter is incredibly precise and is adjustable to fit full-size insulation boards.
As the name suggests, it uses heat to melt the insulation, slicing through the boards to provide a perfect cut. This means that you can get perfectly straight lines for corners and detailed areas. Using a hot wire cutter is also massively time-saving – the EPS slides straight through the hot wire like a knife through butter. Installers who use this tool find a massive reduction in time spent cutting boards, as well as significantly less wastage of EPS!
This is an incredibly useful piece of machinery that all seasoned installers rave about!
Precision cutting: the hot knife cutter
The hot knife cutter is based on the same premise as the hot wire cutter; it uses heat to melt the insulation. The slight difference here is that with the hot knife cutter you angle the blade by hand, so you have a level of mobility that allows you to cut certain shapes that the hot wire cutter restricts.
The hot knife cutter possibly requires a little bit more skill during use, however, it enables installers to cut with a level of precision and versatility. We recommend that the hot knife cutter is perfect for cutting insulation boards to fit around fixtures and pipes etc.
The spring weather is just around the corner, so prepare for your upcoming EWI jobs by making sure you have everything you need. If you’re interested in hot wire tools, give our sales team a call on 02033974067!
