Colman Greaves Fabrications Ltd

From our site in Ashton under Lyne, Greater Manchester, our plastic engineers provide a fast, quality and reliable plastic fabrication service.   The majority of our business is repeat business because our plastic engineers pride themselves on developing close relationships with their customers and offering tailor-made solutions, rapid turnaround and delivery and a continual high-quality fabrication service.

Plastic Welding

We are specialists in plastic welding and provide an variety of welding and jointing including socket fusion, hot gas and air welding, extrusion, butt fusion, electrofusion, and solvent welding.

Our well-equipped plastic welding workshop caters for a range of plastic welding applications and includes 110 volt equipment for site use.

Our plastic welding services and materials used include ABS, polypropylene, PVC, PVDF, polyethylene, cPVP, acrylic, polycarbonate, and PETG. 

Perspex Guards

We manufacture perspex guards for companies whose employees use machinery and could potentially be in danger of injury from moving parts, nib points, debris and high temperature and voltage.

We can fabricate perspex guards to your exact necessities and can advise on other suitable materials. Our plastic engineers can form, fold, weld, and bond a selection of plastics from 3mm to 15mm thick. 

Plastic Ducting and Ventilation

We provide plastic ducting and ventilation services and can manufacture rectangular ducts as well as PVC and polypropylene hoods, branches, bends, tapers, and transition pieces.

Our plastic ducting and ventilation work is tailored and produced to customer requirements and our high-qualified fabrication engineers can plan out complex developments and patterns.

We can also supply fume cupboards and plenums. We specialise in plastic fabrication and ventilation for schools and universities and hospitals.

Plastic Fabrications

We provide a fast and accurate plastic fabrications service priding itself on rapid turnaround times and quality customer service.

We have over 35 years experience of plastic fabrications and engineering and can complete simple, on/off fabrications or more complex and bespoke projects.

Machine Guards Same Day

Our machine guards same day service provides you with machine guards delivered to your premises if you ring before 10 am.

Our machine guards same day delivery guarantees them before 5 pm, and we will also happily supply an engineer to visit your site and measure up for you.

Our same day and service is often free of charge and we can fit guards to HSE standards.

Ventilation Pipe & Fittings

We offer a reliable plastic fabrication service including ventilation pipe and fittings.

We stock a variety of polypropylene and PVC ventilation pipe and fittings from 75mm to 1000mm in diameter. We can create bespoke fabrications of ventilation pipe and fittings and deliver them the next day.

PVC & Polypropylene Sheets

We also stock PVC and polypropylene sheets. They can be dispatched immediately and our PVC and polypropylene sheets service also includes the fabrication of PVC door curtains.

You can contact us any time to arrange a free, no-obligation visit to our site.


We are committed to offering a high quality fabrication service and from our site in Greater Manchester aim to provide accurate solutions for a range of plastic fabrication applications.

Our solutions include machine guards, plastic tanks, weir plates and scumboards, fume cupboards, plastic fans, and fume and dust extractors.

Our solutions also include bespoke plastic fabrications and on site installation. 


Our services benefit organisations big and small and because we give individual attention to every client's requirements we offer suitable services for a range of sectors and areas.

We have provided services for water authorities, chemical companies, universities and schools, food companies, pool and fountain companies, civil engineers, waste management, pharmaceutical, and bio-technology.

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