ACS Dry Rot Paint

Health & Safety Recommendations:

Take the usual labour hygiene into account.

PPE should be worn during application. See our Safety & PPE Products.

Consult label and material safety data sheet for more information.

Substrate Preparation:

Use a stiff brush to thoroughly clean all wall areas to at least 300 mm past the last identified extent of the fungal outbreak removing any surface growth or strands.

Further prepare the surfaces by removing all dirt, loose and flaking material.

Pay particular attention to minimise dust levels. Remove ALL dust and debris from site in accordance with good practice.

Ensure surfaces to be treated are free of efflorescence. Efflorescence can be removed using Salt Neutraliser.

Application Method:

Thoroughly stir the ACS Dry Rot Paint before use.

Sterilise all exposed wall areas by applying two liberal coats of ACS Dry Rot Paint using a brush or roller, working well into all cracks, joints and defects.

Apply two coats to provide maximum protection with the second coat applied when first coat is touch dry. Allow to dry.

Apply one liberal coat to prepared (smooth) timber and allow to dry.

Apply two liberal coats to rough sawn (porous / rough) timber with the second coat when first coat is touch dry. Allow to dry.

Clean equipment and any spillages with water. Protect from frost and do not use below 5°C.

Coverage:

2-8m² per litre depending on type and condition of substrate.

Q) What is ACS Dry Rot Paint?

A) ACS Dry Rot Paint is a preservative emulsion coating designed to control and prevent the growth of fungal infections, particularly Dry Rot (Serpula Lacrymans). It can be applied to various surfaces including brickwork, masonry, render, and timber to protect timbers in close proximity to a fungal outbreak or to reinstate timber after an outbreak has occurred.

Q) How does ACS Dry Rot Paint work?

A) The paint works by creating a protective barrier on treated surfaces, utilising its active ingredient, 3-Iodo-2-Propynyl-N-Butyl Carbamate, at a concentration of just over 1.0% w/w. This compound effectively inhibits the growth of Dry Rot and other decay fungi, providing a sterilising treatment that prevents further spread.

Q) Can ACS Dry Rot Paint eradicate existing Dry Rot?

A) ACS Dry Rot Paint is not intended to eradicate Dry Rot or other fungal infections. Instead, it acts as a protective measure, shielding timber and other surfaces from being affected by nearby fungal outbreaks.

Q) Where can ACS Dry Rot Paint be applied?

A) It is ideal for use on brickwork, masonry, render, and timber surfaces. Specifically, it is beneficial for coating the back portions of joinery, such as skirtings and architraves, concealed parts of window and door framework, and other areas vulnerable to fungal infections.

Q) Is ACS Dry Rot Paint suitable for both residential and commercial applications?

A) Yes, ACS Dry Rot Paint is suitable for a wide range of settings, including residential buildings, commercial properties, public buildings, and is also invaluable in restoration and construction projects.

Q) What makes ACS Dry Rot Paint different from other fungal protective coatings?

A) Its unique formulation, with a highly effective active ingredient specifically selected for its efficacy against Dry Rot and other decay fungi, sets it apart. Additionally, its highly visible preservative emulsion acts as a visual indicator to confirm treatment, along with benefits like low mammalian toxicity, low VOC content, quick drying time, and versatility across both masonry and timber surfaces.

Q) How is ACS Dry Rot Paint applied?

A) For maximum protection, it should be applied using a brush or roller, with two liberal coats on exposed wall areas and one or two coats on timber, depending on the timber's porosity. The second coat should be applied when the first is touch dry.

Q) Can ACS Dry Rot Paint be applied over existing paint or varnish?

A) The surface needs to be properly prepared before application, which includes removing any existing paint, varnish, dirt, loose material, and ensuring it is free from efflorescence. The effectiveness of ACS Dry Rot Paint depends on its ability to penetrate the substrate directly.

Q) What is the coverage rate of ACS Dry Rot Paint?

A) The coverage rate is approximately 2-8 square meters per litre, varying with the type and condition of the substrate.

Q) Is ACS Dry Rot Paint safe for use around humans and pets?

A) Yes, the product has been tested to ensure low mammalian toxicity, making it safer for use in environments occupied by humans and pets, compared to more toxic alternatives.

Q) How quickly does ACS Dry Rot Paint dry?

A) The drying time is relatively quick, allowing for faster project completion. Specific drying times can vary based on environmental conditions but generally, the second coat can be applied once the first coat is touch dry.

Q) Does ACS Dry Rot Paint have any environmental impact?

A) Its formulation is designed with low VOC content, aiming to minimise environmental impact and align with sustainable practices.

Q) Can ACS Dry Rot Paint be overpainted or coated after application?

A) Yes, once dry, surfaces treated with ACS Dry Rot Paint can be overpainted or coated, allowing for seamless integration into the restoration or construction process without compromising the aesthetic appeal of the project.

Q) How should surfaces be prepared before applying ACS Dry Rot Paint?

A) Surfaces should be cleaned thoroughly using a stiff brush to remove all surface growth, strands, dirt, and debris. Minimise dust levels and ensure the surfaces are free of efflorescence for optimal adhesion and effectiveness.

Q) What is the active ingredient in ACS Dry Rot Paint and what does it do?

A) The active ingredient is 3-Iodo-2-Propynyl-N-Butyl Carbamate, present at just over 1.0% w/w. It acts as a surface biocide, targeting and inhibiting the growth of Dry Rot and other decay fungi.

Q) Is ACS Dry Rot Paint approved for professional use?

A) Yes, it carries the HSE Approval No. 6310, indicating it meets stringent safety and effectiveness standards set by the Health and Safety Executive for professional use.

Q) What precautions should be taken when applying ACS Dry Rot Paint?

A) Ensure the area is well-ventilated, wear appropriate protective clothing, and avoid application in temperatures below 5°C. Also, protect from frost and clean any spillages with water immediately. It's important to follow all safety guidelines provided by the manufacturer to ensure safe and effective application.

Q) Can ACS Dry Rot Paint be used in high-moisture environments?

A) Yes, ACS Dry Rot Paint is suitable for use in high-moisture environments. Its formulation provides a robust barrier against fungal growth, which is particularly valuable in areas susceptible to dampness and fungal outbreaks.

Q) How long does the protection offered by ACS Dry Rot Paint last?

A) The longevity of the protection provided will depend on the environmental conditions and the substrate's exposure to those conditions. However, the active ingredient in ACS Dry Rot Paint is designed to offer long-lasting protection against fungal growth.

Q) Does ACS Dry Rot Paint leave any visible residue or change the appearance of the treated surface?

A) ACS Dry Rot Paint is a highly visible preservative emulsion, which acts as a visual indicator of treatment. While it may alter the appearance of the surface slightly, it ensures easy identification of treated areas. Once dry, it can be overpainted or coated to match the surrounding area.

Q) How should equipment used with ACS Dry Rot Paint be cleaned?

A) Equipment and tools used for the application of ACS Dry Rot Paint should be cleaned with water immediately after use. This prevents the paint from drying on the equipment, ensuring they can be used again without issue.

Q) Is ACS Dry Rot Paint effective against other types of fungi besides Dry Rot?

A) While specifically formulated to target Dry Rot (Serpula Lacrymans), its active ingredient also provides a level of protection against a broader range of decay fungi, making it a versatile option for fungal control.

Q) Can ACS Dry Rot Paint be applied to previously infected areas?

A) Yes, ACS Dry Rot Paint can be applied to areas previously infected with Dry Rot or other fungi after the area has been properly treated and the source of moisture has been addressed. It acts as a protective barrier to prevent future infections.

Q) What is the best time of year to apply ACS Dry Rot Paint?

A) ACS Dry Rot Paint can be applied at any time of year, provided the temperature is above 5°C and the surface is dry. However, applying during dry, warmer months may facilitate quicker drying and reduce the likelihood of moisture affecting the application.

Q) Are there any specific storage requirements for ACS Dry Rot Paint?

A) ACS Dry Rot Paint should be stored in a cool, dry place, away from frost and direct sunlight. Ensure the container is tightly sealed to prevent the paint from drying out or being contaminated.

Q) How can I ensure maximum efficacy when using ACS Dry Rot Paint?

A) For maximum efficacy, ensure the substrate is properly prepared by cleaning and removing any loose material. Apply the paint as directed, ensuring thorough coverage and allowing adequate drying time between coats. Addressing any underlying issues such as moisture intrusion will also enhance the paint's effectiveness.

Q) Is there any risk of ACS Dry Rot Paint affecting indoor air quality?

A) With its low VOC content and low mammalian toxicity, ACS Dry Rot Paint is designed to minimise any impact on indoor air quality, making it a safer choice for indoor applications compared to more toxic alternatives.

Q) How does ACS Dry Rot Paint contribute to sustainable building practices?

A) By providing long-lasting protection against fungal decay with minimal environmental impact, ACS Dry Rot Paint contributes to sustainable building practices by extending the life of timber and masonry structures, reducing the need for frequent replacements or repairs.

Q) Can ACS Dry Rot Paint be used as a standalone treatment for Dry Rot?

A) While ACS Dry Rot Paint offers excellent protection against the spread of Dry Rot, it should be used as part of a comprehensive treatment plan that includes eliminating the source of moisture and removing heavily infected material to ensure the complete eradication of the fungus.

Technical Data Sheet

Safety Data Sheet