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Wykamol ISOTHERM is an ultra-thin (+/-4mm) internal wall insulation membrane made from a patented, specially woven polyester-based fabric. Available in rolls measuring 0.95 metres wide by 7.5 metres long, Wykamol ISOTHERM is designed for easy and versatile application on a wide range of wall finishes.
Its flexibility and lightweight nature allow it to be installed with minimal disruption, often without the need to remove door architraves or skirtings. Wykamol ISOTHERM is vapour permeable yet waterproof, effectively resisting lateral damp transfer and preventing the formation of efflorescent salts and surface mould.
When combined with ISO-THERM Bond Adhesive and a plaster skim coat, the overall depth is just 10mm, making it an ideal solution for enhancing thermal efficiency in both residential and commercial properties suffering from cold, damp, or mouldy walls.
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✔️ Ultra-thin 4mm insulation enhances thermal efficiency without significantly reducing interior space or requiring major alterations.
✔️ Vapour permeable yet waterproof, preventing damp and mould while allowing walls to breathe effectively.
✔️ Easy and quick installation with minimal disruption, often without removing door architraves or skirtings.
✔️ Reduces condensation and prevents efflorescent salts, maintaining a warm, dry, and visually appealing interior.
✔️ Compatible with ISOTHERM Bond Adhesive and plaster skim, achieving a total depth of just 10mm.
Wykamol ISOTHERM Thin Internal Wall Insulation (TIWI) brings a revolutionary solution to the challenges of insulating solid wall properties. Crafted from a patented blend of woven polyester material, this ultra-thin, lightweight, and flexible insulation system efficiently reduces heat loss while being remarkably easy to install. With a thickness of only 4mm, ISOTHERM offers a minimally invasive approach, allowing for a fast and seamless installation that avoids significant disruptions to the property.
One of ISOTHERM’s standout features is its dual-action capability: it is both vapour-permeable and waterproof. This unique combination enables walls to breathe, preventing moisture build-up and reducing the risk of dampness, while also acting as a barrier against moisture ingress. By stopping lateral damp transfer, ISOTHERM prevents the formation of efflorescent salts, such as nitrates and chlorides, which can lead to unsightly surface staining. These protective properties help maintain a warm and dry interior environment, significantly reducing the chances of surface mould growth.
The installation of Wykamol ISOTHERM is straightforward, making it an ideal choice for those seeking a cost-effective and efficient insulation solution. Typically, the insulation is secured using ISOTHERM Bond Adhesive, which is applied with a 5mm trowel layer. The insulation material is then pressed and rolled into the adhesive, ensuring a strong and secure bond. A plaster skim coat can be applied directly over the insulation, resulting in a total depth of approximately 10mm. This slim profile means ISOTHERM can be installed without the need to remove existing features such as door architraves, skirtings, and window reveals, providing a hassle-free experience. Its flexibility allows for easy cutting around fixtures, such as sockets and radiator brackets, making it highly adaptable to various installations.
Wykamol ISOTHERM is designed with energy efficiency and cost savings in mind, making it an excellent choice for the estimated 8 million uninsulated solid wall homes in the UK. By enhancing the thermal performance of solid wall properties, ISOTHERM helps reduce heating costs and energy consumption, contributing to better Energy Performance Certificate (EPC) ratings. Its ease of installation and ability to mitigate condensation risks also make it highly suitable for retrofitting projects, offering improved thermal efficiency without compromising the building’s structural integrity.
Aligning with government initiatives aimed at enhancing energy efficiency in UK housing, Wykamol ISOTHERM provides a practical and accessible solution for increasing insulation in solid wall homes. While thicker insulation systems may offer additional energy savings, ISOTHERM’s minimally invasive approach, combined with its effectiveness in reducing condensation, makes it an appealing choice for homeowners and builders seeking a balance between energy savings and ease of installation.
Wykamol ISOTHERM Thin Internal Wall Insulation is an effective, efficient, and adaptable solution for improving energy efficiency in solid wall properties, offering substantial benefits in terms of comfort, cost savings, and environmental sustainability.
Ultra-Thin Design for Minimal Intrusion: Wykamol ISOTHERM measures just 4mm in thickness, making it an ideal choice for applications where space is at a premium. Its ultra-thin profile allows it to be installed with minimal disruption to existing fixtures and fittings, such as skirtings, architraves, and window reveals, preserving the aesthetic integrity of the interior space.
Vapour Permeable yet Waterproof: The insulation material is vapour permeable, allowing walls to breathe while effectively preventing moisture ingress. This unique combination reduces the risk of damp and condensation, maintaining a healthier indoor environment and protecting the structural integrity of the property.
High Thermal Efficiency and Mould Resistance: ISOTHERM significantly enhances the thermal performance of solid wall properties, contributing to lower heating costs and improved energy efficiency. Additionally, its resistance to mould growth, as evidenced by zero fungal growth after a four-week incubation period, ensures a clean and healthy living environment.
Easy and Quick Installation: The product is lightweight, flexible, and easy to handle, allowing for rapid installation with minimal preparation. It can be cut to size and shaped around obstacles such as light switches, sockets, and radiator brackets, making it highly adaptable to various installation scenarios and reducing labour time and costs.
Reduces Energy Consumption and Costs: By improving the thermal performance of solid wall homes, ISOTHERM helps reduce energy consumption and heating costs. This makes it an economical choice for homeowners looking to enhance their property's energy efficiency without the high costs associated with more invasive insulation methods.
Compatible with Various Finishing Options: ISOTHERM can be directly finished with a plaster skim coat, providing a smooth and durable surface ready for painting or wallpapering. This versatility makes it suitable for a wide range of decorative finishes, ensuring that the aesthetic quality of the interior is maintained.
Residential Properties with Solid Walls: Wykamol ISOTHERM is ideally suited for use in residential properties with solid walls, particularly those that are uninsulated and suffer from cold and damp conditions. It provides an effective thermal barrier that improves the comfort and energy efficiency of the home while reducing the risk of damp and mould.
Retrofitting Projects: The product is an excellent choice for retrofitting projects where the goal is to enhance thermal efficiency without compromising the existing structure or causing significant disruption. Its ease of installation and compatibility with existing wall finishes make it a practical solution for improving energy efficiency in older properties.
Properties Prone to Condensation and Mould: ISOTHERM is highly effective in environments prone to condensation and mould growth. Its waterproof yet vapour-permeable nature prevents moisture ingress while allowing walls to breathe, reducing the conditions that lead to mould formation and ensuring a healthier indoor environment.
Commercial Buildings: Suitable for use in commercial properties that require enhanced thermal efficiency and moisture control. Its ultra-thin profile and ease of installation allow for quick upgrades to existing spaces, improving energy performance and reducing heating costs without the need for extensive renovations.
Listed and Heritage Buildings: ISOTHERM is particularly beneficial for listed and heritage buildings where maintaining the original features and aesthetics is crucial. Its minimal thickness allows for discreet insulation that does not compromise the architectural integrity of the building, while its moisture-resistant properties help protect against damp-related damage.
Properties with Limited Space for Insulation: For properties where internal space is limited, ISOTHERM offers a high-performance insulation solution that requires minimal depth. This makes it an ideal choice for small rooms, corridors, or areas where maximising usable space is essential.
ISOTHERM Thin Internal Wall Insulation (TIWI) provides a versatile, high-performance solution for improving the thermal efficiency of solid wall properties.
Its unique combination of ultra-thin design, vapour permeability, waterproof properties, and ease of installation makes it an invaluable tool for both residential and commercial applications, delivering substantial energy savings and enhanced comfort with minimal disruption.
ISO-THERM Thin Internal Wall Insulation (TIWI) is designed for application on a variety of interior wall substrates, including plaster, concrete, brick, blockwork, and painted surfaces. It is especially effective for solid walls that require enhanced thermal insulation.
All surfaces must be stable, clean, dry, and free from any contaminants such as dust, dirt, oil, grease, or loose and flaking material. ISO-THERM Wall Insulation is intended strictly for interior use and should not be applied to external surfaces or on substrates that are damp, unstable, or unsuitable for insulation.
For highly porous masonry surfaces, it is advisable to prime the area with an SBR Bonding Agent diluted to a ratio of 1 part SBR to 3 parts water to improve substrate stability and enhance adhesive performance.
Proper preparation of the substrate is crucial to ensure a strong and durable bond. Begin by thoroughly cleaning the substrate to remove dust, dirt, oil, grease, and any loose or flaking coatings.
Newly applied plaster should be allowed to cure for a minimum of 4 to 6 weeks and be completely dry before insulation installation. Highly polished or shiny plaster surfaces should be roughened using a stiff brush or lightly sanded to create a mechanical key, facilitating better adhesion of the adhesive.
For painted surfaces, particularly those with a silk finish, sanding is necessary to remove the sheen and provide a suitable key for bonding.
After sanding or brushing, ensure all loose material is fully removed to maintain a clean bonding surface. If the substrate is porous, priming with SBR Bonding Agent may be required to stabilise the surface and reduce its absorbency.
To apply ISO-THERM Wall Insulation, first spread ISO-THERM Bond Adhesive over the prepared substrate using a 5mm notched trowel. The adhesive should be applied uniformly across the entire surface that will receive the insulation, creating a continuous ribbed mortar bed to ensure optimal bonding.
Position the ISO-THERM Wall Insulation onto the adhesive bed, beginning at the top of the wall and pressing firmly to ensure full contact with the adhesive. It is essential to achieve 100% coverage between the adhesive and the insulation to prevent any gaps that could compromise thermal performance. Avoid spot fixing as this can lead to inadequate adhesion and potential failure.
Align the edges of each roll of insulation carefully and use Scrim Tape to seal all joints between rolls, creating a seamless and effective thermal barrier. Ensure that the insulation is smooth and free from air pockets or wrinkles for maximum performance.
Each roll of ISO-THERM Wall Insulation measures (W) 0.95M x (L) 7.5M, providing a total coverage area of 7.125m².
When applying ISO-THERM Bond Adhesive with a 5mm notched trowel to a smooth and even surface, one 15kg bucket of adhesive will cover approximately 7m², equating to a usage rate of about 2.2 kg/m².
It is important to ensure even application of the adhesive to achieve the desired coverage and a secure, durable bond for the insulation.
After the ISO-THERM Wall Insulation is securely affixed and the adhesive has been allowed to dry for up to 24 hours (depending on site conditions and substrate porosity), a finishing layer can be applied.
Apply a multi-finish plaster directly onto the insulation, ensuring an even coat that provides a smooth, high-quality finish. This finish is suitable for further decoration, such as painting or wallpapering.
The plaster should be applied carefully to maintain a consistent thickness and achieve a professional-grade finish that complements the thermal and aesthetic properties of the insulated wall.
Following the application of ISO-THERM Wall Insulation and ISO-THERM Bond Adhesive, clean all tools and equipment immediately with water to prevent the adhesive from hardening.
Regular cleaning of tools during the application process is recommended to maintain their effectiveness and ensure a smooth and consistent application.
ISO-THERM Thin Internal Wall Insulation (TIWI) offers a robust solution for enhancing the thermal efficiency and comfort of interior spaces. When used in conjunction with ISO-THERM Bond Adhesive, it provides a durable, long-lasting insulation system that is straightforward to install and maintain.
The insulation and adhesive should not be applied when temperatures are below 5°C or are expected to fall below this level within 24 hours after installation. These products are not suitable for exterior use.
Adhering to safety guidelines and using appropriate personal protective equipment when handling insulation materials and adhesives is essential. Proper installation following these detailed instructions will ensure optimal performance, contributing to improved energy efficiency and indoor comfort.
A) Wykamol ISO-THERM TIWI is an ultra-thin internal wall insulation material, approximately 4mm thick, made from a patented, specially woven polyester-based fabric. Its primary purpose is to improve thermal efficiency in properties with solid walls that are prone to cold, damp, or mould. By creating a thermal barrier, it reduces heat loss, improves energy efficiency, and helps maintain a warmer, drier indoor environment. It is particularly suited for retrofitting older buildings, providing a solution that is easy to install with minimal disruption to existing interiors.
A) Wykamol ISO-THERM TIWI is distinguished by its ultra-thin design, measuring just 4mm in thickness, which allows for installation without significantly reducing interior space. Traditional insulation materials are typically thicker and may require removing fixtures such as skirtings or door architraves. ISO-THERM TIWI, however, is minimally invasive and does not require extensive modifications. Moreover, it is vapour-permeable yet waterproof, enabling walls to breathe while effectively preventing moisture ingress, thereby protecting against damp and mould growth, a dual functionality that is not usually offered by conventional insulation products.
A) Wykamol ISO-THERM TIWI is designed with vapour-permeable yet waterproof properties. This unique characteristic allows moisture within the wall to escape, preventing condensation build-up while simultaneously blocking external moisture from penetrating the wall structure. This dual-action significantly reduces the risk of damp conditions and mould formation, which are common in properties with inadequate insulation. Additionally, by stopping lateral damp transfer, ISO-THERM prevents the formation of efflorescent salts, such as nitrates and chlorides, that can lead to unsightly and damaging surface staining.
A) Wykamol ISO-THERM Bond Adhesive is a high-performance, ready-mixed adhesive formulated specifically for use with ISO-THERM TIWI. The adhesive is used to secure the insulation to the wall substrate, ensuring a durable bond that supports the insulation's long-term effectiveness. To apply, the adhesive is spread evenly over the prepared substrate using a 5mm notched trowel, creating a ribbed mortar bed. The ISO-THERM insulation is then positioned onto the adhesive bed and pressed firmly into place to ensure full contact and a secure fit. This method ensures optimal adhesion and prevents any gaps that could compromise thermal performance.
A) Yes, Wykamol ISO-THERM TIWI is versatile and suitable for use in a variety of properties, including residential homes, commercial buildings, listed and heritage buildings, and properties prone to condensation and mould. It is particularly effective in properties with solid walls that lack insulation and suffer from cold and damp conditions. Its ultra-thin profile and ease of installation make it ideal for both new constructions and retrofitting projects, especially where space is at a premium or where maintaining the building's aesthetic integrity is important.
A) Wykamol ISO-THERM TIWI offers several advantages, including its ultra-thin design that minimises space intrusion, making it suitable for properties where interior space is limited. It is vapour-permeable yet waterproof, which helps prevent damp and mould while allowing walls to breathe. Its high thermal efficiency reduces energy consumption and heating costs, contributing to lower utility bills and improved energy efficiency ratings. Furthermore, ISO-THERM TIWI is easy to install, lightweight, and flexible, allowing for quick application with minimal preparation and disruption to the existing structure.
A) Yes, Wykamol ISO-THERM TIWI is an excellent choice for retrofitting older buildings. Its ultra-thin profile allows for insulation without significant disruption to existing architectural features or loss of interior space. It is compatible with various wall finishes and can be installed over existing materials such as plaster, concrete, brick, blockwork, and painted surfaces. This makes it ideal for improving thermal efficiency in older properties where space is limited, and there is a need to preserve the building's aesthetic and structural integrity.
A) The vapour permeability of Wykamol ISO-THERM TIWI allows moisture within the wall structure to escape, reducing the risk of condensation build-up. This feature is particularly beneficial in older properties or those with solid walls that are more prone to damp and moisture retention. By allowing walls to breathe while preventing external moisture ingress, ISO-THERM TIWI helps maintain a dry and stable interior environment, which is essential for preventing damp-related issues and enhancing the overall thermal comfort of the property.
A) Wykamol ISO-THERM TIWI is designed for application on a wide range of interior wall substrates, including plaster, concrete, brick, blockwork, and painted surfaces. All surfaces must be stable, clean, dry, and free from contaminants such as dust, dirt, oil, grease, or loose and flaking material. For highly porous masonry surfaces, it is advisable to prime the area with an SBR Bonding Agent diluted with water to improve substrate stability and enhance adhesive performance. The insulation should not be applied to external surfaces or substrates that are damp, unstable, or unsuitable for insulation.
A) Proper substrate preparation is essential to ensure a strong and durable bond when applying Wykamol ISO-THERM TIWI. Begin by thoroughly cleaning the substrate to remove dust, dirt, oil, grease, and any loose or flaking coatings. Newly applied plaster should be allowed to cure for a minimum of 4 to 6 weeks and be completely dry before insulation installation. Highly polished or shiny plaster surfaces should be roughened using a stiff brush or lightly sanded to create a mechanical key, facilitating better adhesion of the adhesive. For painted surfaces, particularly those with a silk finish, sanding is necessary to remove the sheen and provide a suitable key for bonding.
A) To apply Wykamol ISO-THERM TIWI, start by spreading ISO-THERM Bond Adhesive evenly over the prepared substrate using a 5mm notched trowel. The adhesive should be applied uniformly to create a continuous ribbed mortar bed that ensures optimal bonding. Next, position the ISO-THERM insulation onto the adhesive bed, starting at the top of the wall, and press firmly to ensure full contact. It is crucial to achieve 100% coverage between the adhesive and the insulation to prevent gaps that could compromise thermal performance. Align the edges of each roll carefully, and use Scrim Tape to seal all joints between rolls, creating a seamless and effective thermal barrier.
A) The drying time for Wykamol ISO-THERM Bond Adhesive can vary depending on site conditions and substrate porosity, but it typically takes up to 24 hours to dry sufficiently on porous surfaces such as plaster. Once the adhesive is firm, a finishing layer, such as a multi-finish plaster, can be applied directly onto the insulation. It is important to ensure that the adhesive has dried completely to achieve a strong bond and optimal performance of the insulation.
A) After the insulation has been securely affixed and the adhesive has dried, a multi-finish plaster can be applied directly onto Wykamol ISO-THERM TIWI. This finish provides a smooth, high-quality surface that is ready for painting or wallpapering. The plaster should be applied evenly to maintain a consistent thickness and achieve a professional-grade finish that enhances the thermal and aesthetic properties of the insulated wall.
A) Yes, Wykamol ISO-THERM TIWI is highly flexible and can be easily cut to size, making it adaptable to various installation scenarios. It can be shaped around obstacles such as light switches, sockets, radiator brackets, and other fixtures, ensuring a seamless and effective insulation layer without compromising the thermal performance or the aesthetics of the interior space.
A) Each roll of Wykamol ISO-THERM TIWI measures 0.95 meters wide by 7.5 meters long, providing a total coverage area of 7.125 m². When applying ISO-THERM Bond Adhesive with a 5mm notched trowel to a smooth, even surface, one 15kg bucket of adhesive will cover approximately 7 m², equating to a usage rate of about 2.2 kg/m². It is important to apply the adhesive evenly to achieve the desired coverage and a secure, durable bond for the insulation.
A) Yes, Wykamol ISO-THERM TIWI is particularly beneficial for use in listed and heritage buildings where preserving original features and aesthetics is crucial. Its minimal thickness allows for discreet insulation that does not compromise the architectural integrity of the building. Additionally, its moisture-resistant properties help protect against damp-related damage, making it an ideal solution for maintaining both the energy efficiency and historical value of such properties.
A) Yes, Wykamol ISO-THERM TIWI is suitable for use in commercial buildings that require enhanced thermal efficiency and moisture control. Its ultra-thin profile and ease of installation allow for quick upgrades to existing spaces, improving energy performance and reducing heating costs without the need for extensive renovations. It is particularly effective in commercial properties that suffer from cold and damp conditions.
A) The KEVLAR-type fibre reinforcement in ISO-THERM Bond Adhesive significantly boosts its performance by enhancing vibration tolerance and stability. This reinforcement makes the adhesive particularly suitable for use in environments subject to movement or vibration, such as buildings near transport routes or in seismic zones. The added strength provided by the fibres prevents cracking and ensures a stable, durable bond that withstands environmental stresses, maintaining the integrity of the insulation over time.
A) Wykamol ISO-THERM TIWI and Bond Adhesive should be applied under specific conditions to ensure optimal performance. The adhesive's open time is limited to 30 minutes at 20°C, and the insulation should be applied within this timeframe to ensure proper bonding. Newly plastered or rendered walls require a minimum drying period of 28 days before adhesive application. If treated with a biocide, a drying time of 24 hours is needed at ambient temperature. The adhesive should not be applied when the room temperature is below 5°C or expected to drop within 24 hours. These products are intended for interior use only and are not suitable for exterior applications.
A) Yes, Wykamol ISO-THERM TIWI can be used on painted surfaces, provided the surface is properly prepared. For surfaces with a silk finish, sanding is necessary to remove the sheen and provide a suitable key for bonding. Matte painted surfaces may not require as much preparation, but all painted surfaces should be clean, dry, and free of loose or flaking material to ensure a strong adhesive bond.
A) When using Wykamol ISO-THERM TIWI and Bond Adhesive, it is important to follow safety precautions to protect yourself and ensure a safe working environment. Always wear appropriate personal protective equipment, such as gloves, safety glasses, and a dust mask, to avoid contact with the adhesive and insulation material. Ensure that the work area is well-ventilated to prevent inhalation of any fumes or dust. In case of skin or eye contact with the adhesive, rinse immediately with plenty of water and seek medical advice if irritation persists. Additionally, handle all tools and materials with care to avoid accidents or injuries, and store all products in a cool, dry place away from direct sunlight and extreme temperatures.
A) Wykamol ISO-THERM TIWI improves energy efficiency in homes by providing a thermal barrier that reduces heat loss through solid walls. This results in a warmer interior environment and reduces the need for excessive heating, thereby lowering energy consumption and heating costs. The improved thermal performance also contributes to better Energy Performance Certificate (EPC) scores, enhancing property value and reducing the carbon footprint of the building.
A) Yes, Wykamol ISO-THERM TIWI is ideal for properties with limited interior space due to its ultra-thin profile of just 4mm. This minimal thickness ensures that the insulation can be installed without significantly reducing the usable space within a room. It is particularly suited for small rooms, corridors, or areas where maximising space is essential, offering a high-performance insulation solution that does not compromise the room's functionality.
A) Wykamol ISO-THERM TIWI aligns with government retrofit policies aimed at improving the energy efficiency of the housing stock. By providing an effective insulation solution for solid wall homes, ISO-THERM TIWI helps increase the market penetration of solid wall insulation measures, contributing to overall energy savings and reducing carbon emissions. Its ease of installation, minimal disruption, and cost-effectiveness make it a suitable choice for large-scale retrofitting projects, supporting government initiatives to enhance building energy performance.
A) Wykamol ISO-THERM TIWI offers several environmental benefits, primarily by enhancing the thermal efficiency of buildings, which reduces energy consumption and greenhouse gas emissions. By minimising heat loss, ISO-THERM TIWI helps lower the carbon footprint associated with heating and cooling residential and commercial properties. Additionally, its ultra-thin profile and minimal material use contribute to reduced waste during installation, supporting sustainable building practices.
A) Wykamol ISO-THERM TIWI provides a less invasive alternative to traditional internal wall insulation methods, which often require thicker materials that can reduce living space and involve more complex installation processes. With a thickness of just 4mm, ISO-THERM TIWI can be installed quickly and efficiently without significant preparation or the need to remove existing fixtures. It is also vapour-permeable and waterproof, offering superior protection against damp and mould compared to conventional insulation products that may not provide this dual functionality.
A) Yes, Wykamol ISO-THERM TIWI and Bond Adhesive are suitable for use in environments subject to high vibration or movement, thanks to the KEVLAR-type fibre reinforcement in the adhesive. This reinforcement provides enhanced vibration tolerance, making the adhesive ideal for use in properties located near transport routes, in seismic zones, or other areas with frequent movement. The reinforced adhesive layer prevents cracking and ensures a stable, durable bond, maintaining the performance of the insulation in challenging conditions.
A) After using ISO-THERM Bond Adhesive, all tools and equipment should be cleaned immediately with water to prevent the adhesive from hardening on them. It is advisable to keep a bucket of clean water nearby during the application process to rinse tools regularly. This helps maintain the effectiveness of the tools and ensures a smooth application of the adhesive and insulation material. Regular cleaning during use also prevents contamination and ensures a professional finish.
A) Wykamol ISO-THERM TIWI and Bond Adhesive should be stored in a cool, dry place, away from direct sunlight and extreme temperatures. The products should be kept in their original packaging to protect them from damage and contamination. Proper storage helps maintain the quality and performance of the insulation and adhesive, ensuring they are ready for use when needed.
A) No, Wykamol ISO-THERM TIWI is specifically designed for internal wall applications only and is NOT suitable for external use. For improving the thermal performance of external walls, other types of insulation specifically designed for exterior applications should be considered. Using ISO-THERM TIWI on internal walls, however, can significantly enhance the overall thermal efficiency of a property by reducing heat loss through the building envelope.
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