UK fibreglass, resin & mould making supplies
Your next project. The right materials. Let’s make it.
From your first mould to a workshop restock. Shop fibreglass, resin, silicone and carbon fibre, calculate your quantities, and get practical help choosing what you need.
A better place to start
What are you making?
Start with your project. Choose how you want to buy.
PONDS & WATER FEATURES
From pond dimensions to your next order.
Explore pond kits, estimate materials for your dimensions, or talk through your project before choosing.
Check the product details for pack sizes, kit contents and suitability. Calculator results are estimates.
Live from the shop
Best sellers
Explore popular materials and choose the pack size or options that suit your project.
Calculators
Not sure how much you need?
Enter your project dimensions to estimate your material quantities, then explore products for the job. Check the product instructions and calculator assumptions before ordering.
View All CalculatorsPond Kit Calculator
Size a fibreglass pond kit from your dimensions.
CalculatorsGelcoat Calculator
Estimate gelcoat coverage before ordering.
CalculatorsResin Calculator
Work out laminating resin quantities.
CalculatorsSilicone Calculator
Estimate silicone needed for a mould box.
CalculatorsCarbon Fibre Calculator
Plan carbon cloth and resin for panels.
Manufacturing services
Idea to design to make.
Need help making the part itself? Explore 3D printing, mould design, laser cutting and surface cleaning, then tell us about your project.
View all services
3D Printing
Models, prototypes, patterns and practical printed parts.

Digital Mould Design
Parting lines, keys, mould boxes, supports and mould-ready design.

Laser Cutting
Metal, CO2 and large-format sheet cutting for parts, panels, signs, templates and prototypes.

Laser Cleaning
Assessment-led cleaning and surface preparation for suitable metal parts, tooling and components.
Live from the shop
Popular fibreglass materials
Live from the shop
Silicone and mould making
What customers say
4.8/5 from 40 real Google reviews
“This kit was so easy to use after watching a lot of videos on yt. Gives you loads of different ideas how to best prepare the area. I was quoted nearly the £1000 to repair the frame and I did it mysel…”
Samuel J · a year ago
“I really appreciate the personal approach this company has toward its customers. I ordered self-adhesive upholstery material, and it arrived earlier than expected, very well packaged, and in excellent…”
Angel Tat2 · 2 months ago
“Excellent Carbon fibre bicycle tube repair kit. Superb instructions and comprehensive content to the kit. My chainstay had completely broke and you will see in the pics this kit did the job. The bike…”
Charlie Sapphire · a year ago
“After looking for some carbon fiber parts for my Harley, i decided to speak with Andy who told me exactly what i needed and how how to fit it. The carbon skinning kits i bought were very good and went…”
Phill Tiler · 2 years ago
“As a part-time artist, I need reliable products and Mouldcraft are my first and only port of call for mould making materials such as silicone and liquid plastic resins. Fantastic quality and service -…”
Goddenzilla · 6 months ago
One project or a workshop full
Buying more? Let’s talk quantities.
Planning a larger job or ordering materials regularly? Send us your product list, quantities and delivery postcode so we can discuss the options.
Get a quote for your material list
Include product names, pack sizes, quantities and when you need them. Pricing and availability are confirmed by our team.
Email my material list ↗Or call 0114 4181067Why Mouldcraft
Materials, help and manufacturing under one roof.
Buy practical composites supplies, use calculators before ordering, and move into 3D printing, mould design or laser cutting when the project needs a workshop route.
















