Industrial Waste Types

GRP and Fibreglass Waste Disposal

Packaging Reuse collects cured GRP and fibreglass production scrap from moulders, fabricators, boatbuilders and construction manufacturers across the UK. No commercial plant in the UK recycles glass reinforced plastic back into new mouldings, so GRP waste disposal is a classification and cost decision, and your scrap has three realistic destinations: energy from waste, cement kiln co-processing or landfill.

We treat GRP as what it is: a bulky, low-value thermoset that needs the right container, an accurate description and a route that stands up in an audit. Where a site also produces mixed laminate, one visit covers your wider composite waste disposal. Send us a photo of the container and a rough weekly weight, and we will come back with a container size, a frequency and a route. Call 0161 848 0976 or get in touch.

What GRP and fibreglass waste do we collect?

GRP waste is the cured glass-and-resin scrap off a moulding or fabrication process, plus everything from trimming and finishing. It is lightweight and rigid, so a container fills with air long before it fills with weight. We collect:

Offcuts and flash: trim and edge waste off moulding and fabrication.
Reject mouldings and whole parts: failed mouldings, panels and end-of-life tanks, pipe and blade sections.
Reinforcement roll ends: chopped strand mat and fabric roll ends.
Pultruded profiles and gelcoat: cured profile offcuts and cured gelcoat.
Dust and grindings: fine cured particulate off cutting and finishing.

Keep GRP apart from prepreg and carbon fibre, which follow a different route and price. Send us a photo of the bay, and we will tell you what container and route fit your scrap.

How we handle your GRP waste

We build collections around how quickly your shop fills a container, not a fixed calendar, and the container choice does most of the work: enclosed skips and roll-on-roll-off for offcuts and whole mouldings, lidded bins for smaller volumes, and drums or sealed bags for dust. Cutting large parts down first changes the economics, because a container of GRP is mostly air. Our environmental chemist codes each stream, we keep GRP on its own transfer note under 10 11 03, and we lift any uncured resin on the same visit through our hazardous waste collections. We collect across the UK from our Manchester base, and our Trafford Park site holds Environment Agency permit GP3092SA and has been ISO 9001 certified since 2015.

Call 0161 848 0976 to price your actual waste.

GRP and fibreglass waste questions

Can GRP be recycled in the UK?

No commercial route in the UK recycles GRP scrap into new products. GRP is a thermoset, so once the resin cures it cannot be remelted like a thermoplastic and it will not decompose. Cured scrap can be shredded into filler, but demand for the recyclate is thin while virgin glass fibre is cheap, so any offer of fibreglass recycling is usually energy recovery, which is legitimate for most scrap and worth reporting honestly.

Where does GRP waste actually go?

GRP waste goes to one of three routes. Energy from waste is the main outlet: the material is shredded and burnt at a permitted plant, the resin gives up its heat as electricity or steam, and the glass leaves as bottom ash processed into secondary aggregate. Cement kiln co-processing uses both halves, the resin as fuel and the glass as mineral feed for the clinker, though kilns are selective, so we only quote it when one will take your material. Landfill is a legal last resort, and landfill tax charged by weight makes it the most expensive way out.

Is GRP waste hazardous?

Cured GRP is not hazardous waste, and the code commonly applied is 10 11 03 for waste glass-based fibrous materials, an absolute non-hazardous entry. Uncured resin is a different matter: prepreg offcuts, acetone-contaminated wipes and gelcoat that has not gone off are typically hazardous and belong nowhere near the GRP container. One tub of uncured resin reclassifies everything it touches, so segregating at the bench costs nothing.

What drives the cost of GRP disposal?

The cost of GRP disposal is usually driven by bulk density, because a container of uncut mouldings holds far less material than one of cut-down offcuts. After that it is weight, contamination, whether any of the stream is uncured, which recovery route will take it, and your location. Cutting parts down before collection is the one lever that reliably lowers the bill.

Can we book regular collections or a one-off clearance?

Packaging Reuse runs both scheduled GRP collections and one-off clearances. A scheduled round suits a moulding shop filling skips to a steady rhythm, while a one-off clearance suits a decommissioning job or a batch of reject parts. Either way GRP stays on its own transfer note, and any uncured resin moves separately on a consignment note.

Get your GRP stream priced and routed

Send us a photo of the container and a rough weekly weight, and we will come back with a container size, a frequency and a route that stands up in an audit. Call 0161 848 0976 or get in touch with Packaging Reuse about your GRP and fibreglass waste.