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Filltite Wood Hardener

Brands: Filltite

£12.55

£10.46 Exc VAT

The Filltite Wood Hardener offers a practical solution for repairing and strengthening rotten wood, preventing further deterioration and restoring structural integrity. This quick-drying resin penetrates deep into the wood, effectively stopping wet rot and halting its spread. Its versatility allows for use on all types of wood, whether indoors or outdoors, making it an ideal choice for repairing doors, windows, frames, and other wooden structures.

One of the key benefits of this product is its ability to create a strong, rock-hard base for filling cracks and holes. By soaking deep into the wood fibres, it strengthens the affected areas, providing a solid foundation for subsequent repair work. This not only reinforces the wood but also ensures that the repairs will be durable and long-lasting.

The quick-drying nature of the wood hardener allows for efficient application, reducing downtime and expediting the repair process. Its interior and exterior use make it a versatile solution for a wide range of repair and restoration projects, both in residential and commercial settings.

Additionally, the plastic lid of the product doubles as a dispenser, providing added convenience during application. This feature enhances usability and ensures precise and controlled dispensing of the wood hardener, further simplifying the repair process.

Quantity

SKU: FIT / F18110

Categories : All Products, Chemicals, Flash Sale, Timber Treatment

Tags : Filltite

Product Description

The Filltite Wood Hardener offers a practical solution for repairing and strengthening rotten wood, preventing further deterioration and restoring structural integrity. This quick-drying resin penetrates deep into the wood, effectively stopping wet rot and halting its spread. Its versatility allows for use on all types of wood, whether indoors or outdoors, making it an ideal choice for repairing doors, windows, frames, and other wooden structures.

One of the key benefits of this product is its ability to create a strong, rock-hard base for filling cracks and holes. By soaking deep into the wood fibres, it strengthens the affected areas, providing a solid foundation for subsequent repair work. This not only reinforces the wood but also ensures that the repairs will be durable and long-lasting.

The quick-drying nature of the wood hardener allows for efficient application, reducing downtime and expediting the repair process. Its interior and exterior use make it a versatile solution for a wide range of repair and restoration projects, both in residential and commercial settings.

Additionally, the plastic lid of the product doubles as a dispenser, providing added convenience during application. This feature enhances usability and ensures precise and controlled dispensing of the wood hardener, further simplifying the repair process.

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Reviews

The service was excellent.
Had a question about the product which was answered quickly even though it was a weekend. Product arrived quickly and the delivery was good.

Isabelle Clinton

4 Aug 2025

Fantastic customer service and a superfast delivery.

Paul

27 Jul 2025

Excellent product.

Mr John Wood

19 Jul 2025

Top company, top service & top products! 10/10

A&B Exterior Cleaning Ltd

7 Jul 2025

Really quick delivery.. Excellent service.

Mark Gabriel Judd

10 Jun 2025

I can't comment on how it works as it takes time and only applied to 2 roofs so far but delivery was rapid.

Shaun

8 Jun 2025

Product FAQs

What is Filltite Wood Hardener used for?

Filltite Wood Hardener is a penetrating liquid used to strengthen and reinforce weakened or decayed wood. It effectively hardens soft or rotted wood, providing a solid base for further repairs and restoration.

How does Filltite Wood Hardener work?

Filltite Wood Hardener works by penetrating deep into the wood fibres and bonding with them to create a strong, durable surface. It consolidates the wood structure, making it resistant to further decay and damage.

Can Filltite Wood Hardener be used on both interior and exterior wood?

Yes, Filltite Wood Hardener is suitable for use on both interior and exterior wood surfaces. It can be used to reinforce wooden structures such as furniture, doors, windows, and outdoor decking, providing long-lasting protection against decay.

How should Filltite Wood Hardener be applied?

Filltite Wood Hardener should be applied liberally to the affected areas using a brush or sponge. It is essential to ensure complete coverage and penetration into the wood fibres. Multiple coats may be required for severely damaged wood.

Is it necessary to sand Filltite Wood Hardener-treated wood before painting or staining?

Yes, it is recommended to lightly sand the surface of the wood after applying Filltite Wood Hardener to remove any raised fibres or rough patches. Once the surface is smooth and dry, it can be painted, stained, or varnished according to personal preference.

Why Choose GK?

We believe in constant innovation. Our team is dedicated to finding new and better solutions that the industry needs, providing the most effective, least harmful, and safest professional-quality products to our customers. We use high-quality active ingredients that deliver superior, longer-lasting results. By avoiding harsh chemicals, we ensure a safer cleaning process for surfaces and substrates, as well as for the environment. Whether you're an industry professional or a DIY enthusiast, you can expect our products to provide a thorough, lasting clean that leaves your surfaces pristine. So if you’re tired of products on the market delivering a sub-par clean, want to experience professional-quality results, or even find comfort in knowing that your cleaning products are safer for your surfaces and the environment, then why not try our range of GK cleaning products for yourself?

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