The total solution for sealing castings


Our vacuum impregnation services, combined with Ultraseal sealant, provide a permanent seal against porosity.


Our team have decades of experience, from sealing F1 carbon fibre parts to historic motor car cylinder heads – and everything in between


We pride ourselves on delivering a reliable, high quality service that our customers know they can trust every time.


Discover more about what we do in our latest case studies

From a historic Rolls-Royce cast iron casting to F1 carbon fibre and 3D printed parts, we seal a huge range of parts, find out more about why our customers trust us to provide them with the permanent seal in our latest case studies.

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Customer Testimonials

What our customers say:

At Classic Car Racing we look for affordable, effective solutions when it comes to sealing 60 year old aluminum castings such as sumps and cylinder heads. Ultraseal delivers the right solution every time that meets all our criteria with a rapid turnaround

Paul Castaldini

Classic Car Racing

When we look to maximise the performance out of any engine we know that sealing parts like cylinder heads is essential. With Ultraseal’s vacuum impregnation service we know we have a reliable, sealed part

Gary May

Boss Racing

Contact us

Have a casting you need sealing? Contact us now.