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ACS Ecobor 20 Gel is a professional-grade, boron-based wood preservative gel containing 20% Boric Acid, designed for effective brushable and injectable applications against woodworm, wood rotting fungi, algae, mould, and other wood-destroying insects.
Ideal for high-risk areas such as joist ends, purlins, wall plates, and cut ends, this gel leaves no surface residue, is non-staining, and can be overpainted when dried.
Approved under COPR 1986 (HSE No 6838), it is odourless, non-flammable, and provides permanent protection as the active ingredients do not degrade over time, offering a reliable solution for long-term wood preservation.
Size
Used on internal lintels and doors - good consistency that makes it easy to apply well. No drip, mess or odour. Will be using this extensively in our old barn conversion. The product was carefully packaged and delivery was prompt.
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A proudly independent family business with 40 years experience
✔️ Dual-purpose preservative effective against woodworm, wood-rotting fungi, algae, mould fungi, and other wood-destroying insects.
✔️ Versatile brushable and injectable application for treating high-risk areas like joist ends, purlins, wall plates, cut ends, and rafter ends.
✔️ 20% concentration of Boric Acid ensures potent and reliable protection.
✔️ Non-staining and overpaintable, allowing for seamless integration into various projects.
✔️ Approved under COPR 1986 with an odourless, non-flammable, and virtually non-drip formulation for safe and easy application.
ACS Ecobor 20 Gel is an advanced, boron-based preservative designed to protect timber from wood-boring insects, wood-rotting fungi, and surface-level biological threats. With a 20% concentration of Boric Acid as the primary active ingredient, it delivers powerful protection against woodworm, dry rot, wet rot, and other destructive organisms, safeguarding the structural integrity of your wood.
The addition of Benzalkonium Chloride (2-2.5% w/w) amplifies the biocidal properties of ACS Ecobor 20 Gel, ensuring thorough eradication of surface growth, such as mould and algae. This professional-grade gel is effective for both brushable and injectable applications, allowing it to penetrate deeply and uniformly into high-risk timber areas, ensuring long-lasting, comprehensive preservation.
The versatility of ACS Ecobor 20 Gel makes it suitable for timber areas particularly susceptible to decay, including joist ends, wall plates, cut ends, purlins, and rafter ends. Its unique gel formulation is easy to handle, with a non-drip consistency that minimises waste and allows for precise, controlled application. This non-drip feature significantly reduces the risk of mess, making it ideal for projects where cleanliness and precision are essential.
ACS Ecobor 20 Gel is formulated to be odourless and non-flammable, enhancing workplace safety and operator comfort. This makes it suitable for use in various settings, from residential to commercial projects, ensuring a safe and comfortable environment for applicators and building occupants.
One of the defining features of ACS Ecobor 20 Gel is its stability over time. Unlike other wood preservatives, its active ingredients do not degrade, providing lasting protection without the need for reapplication. The gel dries to a clear finish, leaving no surface residue or stains, allowing the wood to retain its natural appearance. This quality makes it easy to integrate preservation work into any project seamlessly, with the option to overpaint if desired.
Certified under The Control of Pesticides Regulations 1986 (HSE No 6838), ACS Ecobor 20 Gel meets the highest standards for professional use. Available only to professional or commercial users, this preservative is trusted by qualified operators for its reliability, safety, and effectiveness. Its dual-action approach—protecting timber deeply while safeguarding surfaces from mould and algae—makes ACS Ecobor 20 Gel a vital tool for long-term wood preservation.
ACS Ecobor 20 Gel carries the HSE Approval No 6838.
High Efficacy Against Wood-Boring Insects and Fungi: With 20% Boric Acid as the active ingredient, ACS Ecobor 20 Gel provides a powerful defence against woodworm, dry rot, wet rot, and other wood-destroying fungi. This high concentration ensures thorough protection for timber, especially in high-risk areas.
Permanent Protection for Lasting Durability: The stable formulation of ACS Ecobor 20 Gel means that the active ingredients do not degrade over time, providing lasting preservation and eliminating the need for frequent reapplication. This ensures enduring protection for timber in both residential and commercial applications.
Non-Staining and Overpaintable: ACS Ecobor 20 Gel dries clear without leaving surface residues or stains, preserving the natural appearance of the wood. Its overpaintable finish makes it ideal for projects where aesthetic quality must be maintained, allowing for seamless integration into building or restoration work.
Odourless and Non-Flammable for Safe Application: The odourless and non-flammable formulation makes ACS Ecobor 20 Gel safe and comfortable to use in various environments. Its non-intrusive qualities enhance workplace safety and allow for discreet application in residential and commercial settings.
Versatile Application with Non-Drip Properties: The gel formulation is easy to handle and apply with brushable and injectable options, ensuring deep and even penetration. Its non-drip property prevents spills and mess, allowing for precise, controlled application in hard-to-reach timber areas.
Treatment of High-Risk Timber Areas: ACS Ecobor 20 Gel is ideal for use on high-risk timber areas, including joist ends, purlins, wall plates, cut ends, and rafter ends, where exposure to moisture or environmental factors increases the risk of decay. Its deep penetration provides comprehensive protection in these critical areas.
Preservation of Timber in Residential and Commercial Settings: The odourless, non-staining nature of ACS Ecobor 20 Gel makes it suitable for both residential and commercial applications. It can be used in interior and exterior timber without causing discomfort to occupants, ensuring high levels of safety and comfort.
Surface Protection Against Mould and Algae: The Benzalkonium Chloride component effectively eradicates and prevents the growth of algae, mould, and other surface-level biological threats on timber. This is particularly beneficial for outdoor timbers exposed to damp conditions or environments prone to organic growth.
Integration with Building and Restoration Projects: The clear, non-staining finish of ACS Ecobor 20 Gel allows for easy overpainting, making it ideal for preservation work that needs to blend into restoration or building projects. This ensures wood preservation without compromising the visual integrity of the wood.
Boric Acid is the primary active ingredient in ACS Ecobor 20 Gel, providing powerful biocidal protection against a variety of wood-destroying organisms. Its high concentration in the gel formulation allows it to penetrate deeply into timber, reaching the areas that are most vulnerable to decay. Boric Acid is highly effective against wood-boring insects such as woodworm (Anobium punctatum) and a wide range of wood-rotting fungi, including both dry rot and wet rot. Its mode of action works by interfering with the metabolic functions of fungi and insects, halting their ability to damage the wood structure. Furthermore, Boric Acid remains stable within the wood, providing long-lasting, durable protection that does not easily break down over time, making it ideal for permanent preservation in high-risk timbers. Its low toxicity to humans and mammals adds to its value as a sustainable preservative, allowing for professional use in both residential and commercial environments.
Alkyl Dimethylbenzyl Ammonium Chloride, also known as Benzalkonium Chloride, serves as an essential secondary biocide within ACS Ecobor 20 Gel, providing effective surface protection against organic growth. As a quaternary ammonium compound (QAC), it is highly effective at targeting surface-level biological threats, including algae, mould, lichen, and certain bacteria. Its action works by disrupting the cell membranes of these organisms, causing cell death and preventing regrowth on the treated surface. Even in lower concentrations, Benzalkonium Chloride offers a reliable layer of defence, ensuring that treated timber remains free from surface-level organic contaminants that could compromise its longevity and aesthetics. Its effectiveness in damp conditions, combined with its non-corrosive nature, makes it a highly compatible partner with Boric Acid in wood preservation.
The combination of Boric Acid and Alkyl Dimethylbenzyl Ammonium Chloride in ACS Ecobor 20 Gel provides a comprehensive, multi-layered approach to wood preservation. Boric Acid penetrates deeply into the timber, safeguarding the wood from within against wood-boring insects and fungal decay. Meanwhile, Benzalkonium Chloride enhances this protection by tackling surface-level biological threats, such as mould and algae, that could otherwise compromise the appearance and structure of the timber. Together, these active ingredients create a powerful barrier that protects both the core and surface of the wood, ensuring long-lasting, resilient protection in high-risk environments. This dual-action approach makes ACS Ecobor 20 Gel a reliable choice for durable wood preservation in challenging conditions.
All bats are protected under The Wildlife and Countryside Act 1981. Before treating any structure used by bats, consult English Nature, Scottish National Heritage, The Countryside Council for Wales or The Department of the Environment for Northern Ireland.
Clean all wooden surfaces using a brush or vacuum cleaner.
To aid brushing out on any timbers which are very dry or remain dusty, apply a little water to the surface before the application of ACS Ecobor 20 Gel.
Apply a generous brush coat of ACS Ecobor 20 Gel, taking care to ensure that end grains, corners and joints are well treated. Brush apply to any surfaces exposed by cutting after initial treatment.
Brush the ACS Ecobor 20 Gel well into the surface taking care not to overload the brush with product, particularly on overhead, horizontal faces.
ACS Ecobor 20 Gel may be used in outdoor conditions provided that the timber treated is then protected from weathering by an appropriate coating or sealant.
As a surface application the gel will not penetrate through paint, varnishes or other coatings and these should be removed before treatment. ACS Ecobor 20 Gel can be injected through predrilled holes in areas where paint and coatings cannot be removed.
Clean all tools, brushes and equipment with water.
By Brush: 1 litre to 2m² - 2.5m² of timber surface. Large dimensional timbers may need more than one coat or additional treatment with ACS Ecobor 40 Paste.
By Injection: Apply as necessary or until refusal through pre-drilled holes.
A) ACS Ecobor 20 Gel is a professional-grade boron-based wood preservative gel containing 20% Boric Acid, designed to protect timber against woodworm, wood-rotting fungi, algae, mould, and other wood-destroying insects. This gel is applied via brush or injection, providing deep penetration into high-risk timber areas such as joist ends, wall plates, and rafter ends. The gel formulation is odourless, non-flammable, non-staining, and can be overpainted once dry, offering a long-term solution for wood preservation in both residential and commercial settings.
A) ACS Ecobor 20 Gel contains Boric Acid, which penetrates deeply into the wood, disrupting the metabolic processes of wood-boring insects and fungi. This interference prevents these organisms from feeding on or damaging the timber. The gel also contains Benzalkonium Chloride, which provides surface-level protection by eradicating algae, mould, and other biological growth. Together, these ingredients create a comprehensive barrier that protects both the core and surface of the wood, ensuring long-lasting resilience.
A) ACS Ecobor 20 Gel is ideal for treating high-risk timber areas susceptible to decay and insect infestation, such as joist ends, purlins, wall plates, cut ends, and rafter ends. The gel is especially effective in areas exposed to moisture, as it penetrates deeply to protect against woodworm, wet and dry rot, and other wood-rotting fungi. Its versatility also makes it suitable for both interior and exterior applications, provided the timber is sealed or protected after treatment.
A) Yes, ACS Ecobor 20 Gel is effective in damp conditions, making it ideal for timbers that may be exposed to moisture or in contact with masonry. Its gel formulation allows it to adhere well to damp surfaces, and the boron content penetrates deeply into wet wood, ensuring lasting protection against fungal decay and woodworm. This makes it an excellent choice for applications in basements, attics, and other high-humidity areas.
A) ACS Ecobor 20 Gel can be applied by brush or injection. When brushing, ensure the gel is applied generously, particularly to end grains, corners, and joints. For injection, pre-drill holes in the timber and inject the gel until it reaches the core. For larger timbers or highly absorbent wood, more than one coat may be required to achieve full penetration. It’s crucial to clean the wood surface of dust or debris before applying to maximise adherence and penetration.
A) Yes, ACS Ecobor 20 Gel is formulated to be odourless, making it comfortable to use in residential and commercial properties. This feature allows it to be applied without causing discomfort to building occupants, making it suitable for environments where strong odours could be intrusive. The odourless nature also enhances workplace safety, as there is no need for special ventilation during application.
A) ACS Ecobor 20 Gel is designed for deep penetration, especially when injected into pre-drilled holes. The boron-based gel penetrates through the timber, protecting the wood’s core from decay and wood-boring insects. For brush applications, penetration depth may vary depending on the wood’s moisture content and porosity. For very large or dense timbers, using additional products like ACS Ecobor 40 Paste may provide enhanced protection.
A) Yes, ACS Ecobor 20 Gel dries to a clear finish and does not leave any surface residue, making it ideal for overpainting once dry. This allows the gel to be seamlessly integrated into projects where timber preservation is essential but the aesthetic quality must be maintained. Overpainting with a suitable topcoat can also help protect the treated timber from environmental exposure, particularly in outdoor settings.
A) ACS Ecobor 20 Gel is safe for professional use when applied according to the manufacturer’s guidelines. It is low in toxicity, odourless, and non-flammable, making it suitable for both residential and commercial applications without significant health risks. However, proper protective equipment, such as gloves and safety glasses, should be used during application. Additionally, the product meets HSE regulations, ensuring it complies with industry safety standards.
A) ACS Ecobor 20 Gel contains two primary active ingredients: 20% Boric Acid, which provides biocidal protection against wood-boring insects and fungi, and Benzalkonium Chloride, which serves as a surface biocide against algae and mould. These ingredients work together to protect both the internal structure and surface of the timber, ensuring comprehensive, long-lasting wood preservation.
A) Yes, ACS Ecobor 20 Gel can be used for outdoor applications, provided the treated timber is protected from weathering by an appropriate coating or sealant after drying. The gel formulation adheres well to exterior timbers and provides robust protection against decay and biological threats. However, it is essential to prevent direct exposure to rain or prolonged moisture to maintain the effectiveness of the treatment over time.
A) ACS Ecobor 20 Gel provides long-lasting protection due to its stable formulation, which does not degrade over time. The Boric Acid in the gel remains active within the timber, offering permanent protection against woodworm, fungi, and other biological threats. As long as the treated timber is protected from direct weather exposure, the treatment remains effective for many years, eliminating the need for frequent reapplication.
A) When using ACS Ecobor 20 Gel, ensure that the wood surface is clean and free from dust or debris. Wear appropriate personal protective equipment, such as gloves and eye protection. Avoid applying the gel on painted, varnished, or sealed surfaces, as the product will not penetrate through coatings. Also, cover or remove foodstuffs, fish tanks, and water storage tanks from the area before application to prevent contamination.
A) Yes, ACS Ecobor 20 Gel is suitable for heritage restoration projects. Its clear finish allows it to preserve the wood without altering its appearance, making it ideal for preserving historic timbers. Additionally, its odourless, non-staining, and non-flammable properties allow it to be used discreetly in sensitive environments, making it a popular choice for professionals working in listed buildings and other historically significant structures.
A) ACS Ecobor 20 Gel has a long shelf life when stored properly. It should be kept in a cool, dry place, away from direct sunlight and sources of heat. When stored in its original, tightly sealed container, the product remains stable and effective for several years, allowing it to be used across multiple treatments. Always refer to the manufacturer’s guidelines for specific storage recommendations.
A) Any leftover ACS Ecobor 20 Gel should be disposed of according to local regulations for hazardous waste. Avoid disposing of the product in regular waste bins or down drains, as it may harm the environment. If you are unsure of the disposal requirements, consult local waste disposal authorities for guidance. Empty containers should also be disposed of responsibly, and any excess gel should be safely contained to prevent accidental exposure.
A) ACS Ecobor 20 Gel cannot penetrate through paint, varnish, or other coatings. To achieve effective wood preservation, any paint or varnish should be removed from the surface before application. If the coating cannot be removed, the gel can be injected through pre-drilled holes to reach the core of the timber. For best results, always apply the gel to bare wood or wood that has been stripped of previous coatings.
A) Yes, ACS Ecobor 20 Gel is suitable for use on timbers in contact with masonry, as it provides deep, long-lasting protection against moisture-related decay. The gel penetrates effectively, even in areas prone to dampness, making it ideal for structural timbers like joist ends and wall plates. However, any ongoing moisture issues should be addressed to ensure the longevity and effectiveness of the treatment.
A) After applying ACS Ecobor 20 Gel, all tools, brushes, and application equipment should be thoroughly cleaned with water. This will prevent any residual gel from hardening on the tools and ensure they remain in good condition for future use. It is recommended to clean tools immediately after application to avoid the gel drying and adhering to the equipment.
A) No, ACS Ecobor 20 Gel dries clear and does not leave any surface residue or stains. This non-staining property makes it ideal for projects where the natural appearance of the wood needs to be preserved. Once the gel has dried, the timber can be overpainted or finished as required, allowing it to blend seamlessly into restoration or building projects.
A) Yes, ACS Ecobor 20 Gel is highly effective against dry rot (Serpula lacrymans). The Boric Acid in the gel disrupts the cellular processes of the fungus, preventing it from spreading and damaging the timber. For severe dry rot infestations, the gel can be used alongside surface treatments such as ACS Boracol 10 to ensure comprehensive protection and eradicate the fungus from both the core and surface of the timber.
A) The coverage rate of ACS Ecobor 20 Gel varies depending on the method of application and the timber’s absorbency. When applied by brush, one litre of gel will cover approximately 2 to 2.5 square metres of timber surface. For injection, the amount required will depend on the depth of the pre-drilled holes and the timber’s dimensions. Large or highly absorbent timbers may require more than one coat or additional treatment.
A) Yes, ACS Ecobor 20 Gel is effective in treating and preventing woodworm infestations. The Boric Acid in the gel interferes with the feeding and reproductive cycles of woodworm larvae, preventing them from damaging the timber. Its deep penetration ensures comprehensive protection, reaching areas that surface treatments may not, making it an ideal solution for high-risk timber areas prone to woodworm.
A) Before applying ACS Ecobor 20 Gel, ensure the timber surface is clean and free from dust, dirt, or loose debris. Use a brush or vacuum to clean the wood thoroughly. For very dry or dusty timbers, lightly dampen the surface with water to improve adhesion. If the timber has a paint or varnish coating, it should be removed to allow the gel to penetrate effectively. Preparation is key to ensuring the gel achieves maximum penetration and protection.
A) No, ACS Ecobor 20 Gel should not be used on surfaces where food is prepared or stored. The product is intended for structural timber applications and should be kept away from foodstuffs. Before applying the gel, remove or cover any food, fish tanks, or water storage tanks to prevent accidental contamination. This ensures a safe working environment and prevents exposure to unintended surfaces.
A) Drying times for ACS Ecobor 20 Gel vary depending on factors such as temperature, humidity, and wood moisture content. Generally, the gel dries within 24 hours under normal conditions. In damp or high-humidity environments, drying may take longer. Once dry, the treated timber can be overpainted or sealed if required, although adequate ventilation during and after application will speed up the drying process.
A) Yes, ACS Ecobor 20 Gel can be used in areas where bats are present, provided it is applied in accordance with The Wildlife and Countryside Act 1981. As bats are a protected species, any treatment carried out near their roosts should be done with caution. It is advisable to consult with relevant wildlife authorities, such as Natural England or Scottish National Heritage, before applying the product to ensure that bat habitats are not disturbed.
A) ACS Ecobor 20 Gel is primarily intended for structural timbers and high-risk wood areas, rather than for decorative or exposed wood surfaces like furniture. Although it is non-staining and dries clear, its formulation is designed for in-depth preservation rather than surface aesthetics. For furniture treatment, other specialised wood preservatives may be more suitable, depending on the desired finish and use.
A) Yes, ACS Ecobor 20 Gel contains Benzalkonium Chloride, which is effective against surface-level biological threats like mould and algae. This ingredient disrupts the cell structure of these organisms, preventing their growth on the treated timber. This makes ACS Ecobor 20 Gel particularly useful for outdoor applications or in areas prone to dampness, where surface-level organic growth may otherwise threaten the timber’s durability and appearance.
A) Yes, ACS Ecobor 20 Gel can be used alongside other wood treatments for enhanced preservation. For example, it can be paired with ACS Boracol 10 for a combined approach, where ACS Boracol 10 provides surface-level protection while ACS Ecobor 20 Gel penetrates deeply into the timber. This combined treatment is highly effective in areas at high risk of decay, providing multi-layered protection against both internal and surface threats.
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