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    GRP Catalyst Hardener

    GRP Catalyst Hardener

    £16.50
    £16.50
    Tax included. Shipping calculated at checkout.

    Expected delivery date:
    16 Jul Usually ready in 2-3 days.

    GRP Catalyst Hardener 1L

    High-performance GRP Catalyst Hardener formulated for use with polyester resins in fibreglass roofing and laminating applications. Delivers reliable curing and consistent results for strong, durable finishes.

    GRP Catalyst Hardener 5kg

    Professional-grade 5kg GRP Catalyst Hardener designed for larger fibreglass roofing and composite projects. Provides dependable curing performance when mixed with polyester resins, ensuring a tough, long-lasting finish.

    • Reliable

    • Strong

    • Durable

    • Designed
    MSS Timber Showroom

    MSS Timber

    Visit Our Trade Counter Showroom

    Discover Quality Timber and Building Supplies at the MSS Timber Trade Counter Showroom. Browse our range of Timber, Sheet Materials, Composite Decking, and Cladding, with expert advice on hand. From Trade Professionals to DIY projects, we provide cut-to-size timber and reliable building materials to help you complete every job with confidence.

    FAQs

    See all FAQs

    What payment methods can I use?

    We offer various payment methods including major providers like Mastercard, Visa, PayPal, American Express as well as many different local payment methods.

    Are the tools on your website genuine?

    Yes, all the tools on our website are 100% genuine and sourced from trusted manufacturers to ensure top quality and reliability for every project.

    What if the tool I purchased doesn’t meet my expectations?

    If you’re not satisfied with your purchase, we offer a hassle-free return policy. Just contact our customer support team within 14 days, and we'll help you with the return or exchange process. Please check our Returns and Refund Policy.

    Do you offer bulk discounts for trade customers?

    Yes. We offer competitive trade pricing and discounts on bulk orders. Please contact our team to set up a trade account or discuss large project requirements.

    Can I collect my order in person?

    Yes. Customers can arrange collection from our branch. Please call us before hand to confirm stock availability.


    0121 348 7695
    28 Soho Rd, Handsworth, Birmingham, B21 9HB

    Customer reviews

    • I recently used MSS Treated Timber as part of an infastructure project, and I couldn't be more impressed with the quality. The timber is strong, durable, and reliabl treated to withstand weather exposure, which gave me real confidence in its long-term perfomance. I would highly recommend MSS Treated Timber!!
      Daniel Carter
      Independent Contractor
    • I’ve used MSS Timber Merchants several times now, and I honestly wouldn’t go anywhere else for my timber supplies. The quality of the wood is always excellent, with no warping or defects, and it’s clear they take pride in what they stock. Prices are fair and competitive, and delivery has always been reliable and on time. What impressed me most is the level of customer service — the team are knowledgeable, approachable, and happy to give advice, whether it’s about decking, fencing, or general timber projects. They make the whole process smooth and stress-free. If you’re looking for a trustworthy timber supplier that combines quality products with genuine customer care, MSS Timber is your go to!!!!
      Flat roof with a skylight on a residential building, MSS Timber Merchants Birmingham
      Michael Nguyen
      Builder

    GRP Catalyst Hardener

    £16.50
    £16.50