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Isopon

Isopon Fastglas Resin

Isopon Fastglas Resin

SKU:618949

Regular price €11,95 EUR
Regular price Sale price €11,95 EUR
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Free delivery for orders over £100 within UK mainland. This does not apply to large products (such as those above 1m of length), heavy products (including aggregates, compost and wood logs) and fragile products (such as ceramics, shower enclosures etc.). See shipping policy for restrictions. 
Free local delivery above £50 and £5 charge for delivery under £50 within a 3 mile radius and £7 up to 6 mile radius.  
Standard Shipping - United Kingdom (UK Mainland Excluding Northern Ireland)
  • Lighter items (under 1kg) - £4 and free for orders over £100
  • Smaller items (1 - 10kg) - £7 and free for orders over £100
  • Larger items (10kg - 30kg) - £15 and free for orders over £350
  • Bulky items (30kg and above) - £35 with minimum order value of £100
Express Shipping - United Kingdom (UK Mainland Excluding Northern Ireland)
  • Lighter items (under 1kg) - £7 and free for orders over £100
  • Smaller items (1 - 10kg) - £10 and free for orders over £100
  • Larger items (10kg - 30kg) - £20 and free for orders over £350
Standard Shipping (Northern Ireland and Scottish Islands & Highlands) 2 to 7 business days
  • Lighter items (under 1kg) - £7
  • Smaller items (1 - 10kg) - £15
  • Larger items (10kg - 30kg) - £25
  • Bulky items (30kg and above) - £35 with minimum order value of £100

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The Isopon Fastglas Resin (250ml) is a durable, high-performance polyester resin formulated for a wide variety of repair applications in the home and garden. Designed for use with glass fibre matting, it provides a strong, permanent repair to holes, splits, and cracks in a wide range of materials, including metal, wood, brick, stone, and ceramics.

Ideal for structural and cosmetic repairs, Fastglas Resin forms a tough, weather-resistant bond, making it suitable for both indoor and outdoor use. Whether you’re fixing a damaged planter, garden bench, shed, or even vehicle bodywork, Isopon Fastglas delivers reliable and long-lasting results.


Key Features

  • Multi-Surface Adhesion: Bonds effectively to materials such as metal, wood, brick, stone, and ceramics
  • Versatile Use: Perfect for DIY and household repairs, as well as automotive or marine applications
  • High-Strength Finish: Delivers long-lasting durability and weather resistance
  • Use with Glass Fibre Mat: Combine with matting for reinforced structural repairs
  • Quick & Easy Application: Can be used with standard hardeners for efficient curing
  • Indoor & Outdoor Use: Water- and weather-resistant once cured
  • Solvent-Based Formula: Provides excellent wetting characteristics for matting and surfaces

Boxed Dimensions & Weight

Dimension Type Measurement
Width 12.5 cm
Height 4.5 cm
Depth 7.0 cm
Weight 160 g

Technical Specifications

  • Product Type: Polyester resin (requires separate hardener)
  • Volume: 250ml
  • Application Method: Brush-on with glass fibre matting
  • Curing Time: Dependent on temperature and hardener used (typically 20–30 minutes)
  • Shelf Life: See packaging for expiry date
  • Commodity Code: 4409299100
  • Country of Origin: Great Britain
  • Storage: Store in a cool, dry place away from ignition sources

Warranty Information

Isopon Fastglas Resin is manufactured to rigorous quality standards, ensuring durability and long-term performance.

  • Warranty Coverage: Covers product defects under normal use
  • Conditions: Product must be used with compatible hardeners and according to manufacturer instructions
  • Exclusions: Improper use, mixing errors, or incompatible materials
  • Support: Retain proof of purchase for warranty and customer service inquiries

Frequently Asked Questions (FAQs)

Q1: Do I need to use a hardener with this resin?
A1: Yes, a suitable catalyst (hardener) is required to initiate curing. It must be mixed according to instructions before application.

Q2: Can I use this product without glass fibre matting?
A2: While the resin can bond to surfaces on its own, maximum strength is achieved when used with glass fibre matting.

Q3: What types of surfaces will it bond to?
A3: It effectively bonds to metal, wood, brick, stone, ceramics, and most rigid materials.

Q4: Is the resin water-resistant after curing?
A4: Yes, once fully cured, it is resistant to water and suitable for outdoor use.

Q5: How long does it take to cure?
A5: Cure time is typically 20–30 minutes at room temperature but may vary depending on temperature and hardener ratio.

Q6: Can I sand or paint over it after curing?
A6: Yes, the resin can be sanded smooth and painted once fully cured and dry.


Isopon Fastglas Resin – 250ml is a trusted, multipurpose solution for effective and long-lasting repairs. With strong adhesion across a wide variety of materials, it’s a versatile addition to any DIY toolkit.