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Alchimica Hyperdesmo Classic Elastomeric Polyurethane Waterproofing 25kg White
Insulating & Sealing Materials

Alchimica Hyperdesmo Classic Elastomeric Polyurethane Waterproofing 25kg White

Alchimica Hyperdesmo Classic elastomeric polyurethane waterproofing coating forms a hydrophobic membrane that cures with atmospheric moisture. It can be applied to roofs and wooden or metal surfaces,...

Alchimica Hyperdesmo Classic elastomeric polyurethane waterproofing coating forms a hydrophobic membrane that cures with atmospheric moisture. It can be applied to roofs and wooden or metal surfaces, as well as concrete, asbestos-cement sheets, plasterboard and cement boards. The membrane is seamless, breathable and resistant to UV radiation, hydrolysis and...

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Top specs

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  • Quantity 25 kg
  • Application Surface Terrace
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Reviews (2)

Reviews

3.0
2
3.0
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  1. 1
  2. 4 stars
    0
  3. 3 stars
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  5. 1
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  • fishergr
    5
    47 out of 49 members found this review helpful
    fishergr

    A few words for those who know and those who do not know.
    The product literally kills if applied CORRECTLY, and I emphasize that. It is quite expensive, but it is worth every penny if applied correctly.
    To help most of you who may not know and to prevent you from being fooled, pay attention to the following before purchasing and applying it.
    First step, you need to clean the terrace very well. Second step, you need to apply the primer first (Aquadur), which requires 200 grams per square meter. After applying the primer and depending on the weather conditions, if it is winter, it needs more than 7-8 hours, if it is summer, four hours. Then, you apply the HYPERDESMO, which requires 1.4kg to 1.6kg per meter, depending on the surface area. For example, if the terrace is in good condition, use 1.4kg, if it is full of potholes and worn out, use 1.6kg. Apply one coat and after 19 to 24 hours, apply the second coat. If anyone wants, they can also use the varnish (which, for me, is necessary) (Hyperdesmo ady-e and Hyperdesmo ady-500). And truly, until the building collapses, you will not need to deal with the terrace again.
    Because many construction companies use material but only apply 1kg per meter to save costs, you need to be careful with the offers you receive and the kilograms they tell you. So, with a simple example, for a 100m terrace, you will need 150kg and 20kg of primer.
    The material is truly the best, it just requires proper application.

    Translated from Greek ·
    Did you find this review helpful?
  • adam.makis
    1
    108 out of 120 members found this review helpful
    adam.makis

    The specific product was applied in combination with a primer (Microsealer) recommended by the same company (Alchimica) on a bituminous membrane with granules. Despite the good adhesion and application of the material, the surface yellowed in less than a week. All manufacturer's instructions were followed for the application of the material under the specified conditions. The company, despite witnessing the problem on-site, refused to consider the yellowing of the surface within the warranty, as the adhesion of the material was deemed good, despite the fact that yellowing reduces the thermal insulation capacity of the material (due to decreased reflection of solar radiation). Furthermore, instead of addressing the problem as they should, the company insisted on selling me additional material (whitening varnish) to fix the issue that arose from either a mistake or a possible incorrect combination of the initial materials they recommended. The company's denial of responsibility (Alchimica) continued even after the problem was identified, as they did not respond to my messages seeking a solution. The dates, times, and temperatures of material application, as well as the photographic evidence and communication messages, are available to anyone interested.

    Translated from Greek ·
    Did you find this review helpful?
  • fishergr
    5
    fishergr

    A few words for those who know and those who do not know.
    The product literally kills if applied CORRECTLY, and I emphasize that. It is quite expensive, but it is worth every penny if applied correctly.
    To help most of you who may not know and to prevent you from being fooled, pay attention to the following before purchasing and applying it.
    First step, you need to clean the terrace very well. Second step, you need to apply the primer first (Aquadur), which requires 200 grams per square meter. After applying the primer and depending on the weather conditions, if it is winter, it needs more than 7-8 hours, if it is summer, four hours. Then, you apply the HYPERDESMO, which requires 1.4kg to 1.6kg per meter, depending on the surface area. For example, if the terrace is in good condition, use 1.4kg, if it is full of potholes and worn out, use 1.6kg. Apply one coat and after 19 to 24 hours, apply the second coat. If anyone wants, they can also use the varnish (which, for me, is necessary) (Hyperdesmo ady-e and Hyperdesmo ady-500). And truly, until the building collapses, you will not need to deal with the terrace again.
    Because many construction companies use material but only apply 1kg per meter to save costs, you need to be careful with the offers you receive and the kilograms they tell you. So, with a simple example, for a 100m terrace, you will need 150kg and 20kg of primer.
    The material is truly the best, it just requires proper application.

    Translated from Greek ·
    47
  • adam.makis
    1
    adam.makis

    The specific product was applied in combination with a primer (Microsealer) recommended by the same company (Alchimica) on a bituminous membrane with granules. Despite the good adhesion and application of the material, the surface yellowed in less than a week. All manufacturer's instructions were followed for the application of the material under the specified conditions. The company, despite witnessing the problem on-site, refused to consider the yellowing of the surface within the warranty, as the adhesion of the material was deemed good, despite the fact that yellowing reduces the thermal insulation capacity of the material (due to decreased reflection of solar radiation). Furthermore, instead of addressing the problem as they should, the company insisted on selling me additional material (whitening varnish) to fix the issue that arose from either a mistake or a possible incorrect combination of the initial materials they recommended. The company's denial of responsibility (Alchimica) continued even after the problem was identified, as they did not respond to my messages seeking a solution. The dates, times, and temperatures of material application, as well as the photographic evidence and communication messages, are available to anyone interested.

    Translated from Greek ·
    108
  • See all
Product report

Description & Specifications

Alchimica Hyperdesmo Classic elastomeric polyurethane waterproofing coating forms a hydrophobic membrane that cures with atmospheric moisture. It can be applied to roofs and wooden or metal surfaces, as well as concrete, asbestos-cement sheets, plasterboard and cement boards. The membrane is seamless, breathable and resistant to UV radiation, hydrolysis and microorganisms.

Apply the product in two coats using a roller, brush or spray, at a consumption rate of 1.5–1.8 kg/m². Apply successive coats 6–24 hours apart, depending on weather conditions. The maximum operating temperature is 90 °C, and the membrane remains elastic down to -40 °C. It is not recommended for surfaces with low cohesion or for pool surfaces in direct contact with chemically treated water.

  • Quantity: 25 kg
  • Colour: White
  • Type: Elastomeric polyurethane waterproofing coating
  • Components: 1
  • Form: Brush-applied liquid
  • Application surface: Roof
  • Application surface materials: Wood, metal, concrete, asbestos-cement sheets, plasterboard, cement boards
  • Application: Roller, brush or spray
  • Number of coats: 2
  • Consumption: 1.5–1.8 kg/m²
  • Time between coats: 6–24 hours
  • Maximum operating temperature: 90 °C
  • Membrane elasticity: Down to -40 °C

Manufacturer

Manufacturer Details

Warnings & Safety Information

Product Details

Type
Lubricating Liquid
Colour
White
Application Surface
Terrace
Application Surface Material
Wooden, Metallic

Additional Specifications

Polyurethane
Yes
Elastomer
Yes
Acrylic
No
Bituminous
No
Cementitious
No
2-Component
No

Packaging

Quantity
25 kg

Popular Series

Product Series
Hyperdesmo (Alchimica)

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (2)

3.0
2
3.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1
Review this product
  • fishergr
    5
    47 out of 49 members found this review helpful
    fishergr

    A few words for those who know and those who do not know.
    The product literally kills if applied CORRECTLY, and I emphasize that. It is quite expensive, but it is worth every penny if applied correctly.
    To help most of you who may not know and to prevent you from being fooled, pay attention to the following before purchasing and applying it.
    First step, you need to clean the terrace very well. Second step, you need to apply the primer first (Aquadur), which requires 200 grams per square meter. After applying the primer and depending on the weather conditions, if it is winter, it needs more than 7-8 hours, if it is summer, four hours. Then, you apply the HYPERDESMO, which requires 1.4kg to 1.6kg per meter, depending on the surface area. For example, if the terrace is in good condition, use 1.4kg, if it is full of potholes and worn out, use 1.6kg. Apply one coat and after 19 to 24 hours, apply the second coat. If anyone wants, they can also use the varnish (which, for me, is necessary) (Hyperdesmo ady-e and Hyperdesmo ady-500). And truly, until the building collapses, you will not need to deal with the terrace again.
    Because many construction companies use material but only apply 1kg per meter to save costs, you need to be careful with the offers you receive and the kilograms they tell you. So, with a simple example, for a 100m terrace, you will need 150kg and 20kg of primer.
    The material is truly the best, it just requires proper application.

    Translated from Greek ·
    Did you find this review helpful?
  • adam.makis
    1
    108 out of 120 members found this review helpful
    adam.makis

    The specific product was applied in combination with a primer (Microsealer) recommended by the same company (Alchimica) on a bituminous membrane with granules. Despite the good adhesion and application of the material, the surface yellowed in less than a week. All manufacturer's instructions were followed for the application of the material under the specified conditions. The company, despite witnessing the problem on-site, refused to consider the yellowing of the surface within the warranty, as the adhesion of the material was deemed good, despite the fact that yellowing reduces the thermal insulation capacity of the material (due to decreased reflection of solar radiation). Furthermore, instead of addressing the problem as they should, the company insisted on selling me additional material (whitening varnish) to fix the issue that arose from either a mistake or a possible incorrect combination of the initial materials they recommended. The company's denial of responsibility (Alchimica) continued even after the problem was identified, as they did not respond to my messages seeking a solution. The dates, times, and temperatures of material application, as well as the photographic evidence and communication messages, are available to anyone interested.

    Translated from Greek ·
    Did you find this review helpful?
  • fishergr
    5
    fishergr

    A few words for those who know and those who do not know.
    The product literally kills if applied CORRECTLY, and I emphasize that. It is quite expensive, but it is worth every penny if applied correctly.
    To help most of you who may not know and to prevent you from being fooled, pay attention to the following before purchasing and applying it.
    First step, you need to clean the terrace very well. Second step, you need to apply the primer first (Aquadur), which requires 200 grams per square meter. After applying the primer and depending on the weather conditions, if it is winter, it needs more than 7-8 hours, if it is summer, four hours. Then, you apply the HYPERDESMO, which requires 1.4kg to 1.6kg per meter, depending on the surface area. For example, if the terrace is in good condition, use 1.4kg, if it is full of potholes and worn out, use 1.6kg. Apply one coat and after 19 to 24 hours, apply the second coat. If anyone wants, they can also use the varnish (which, for me, is necessary) (Hyperdesmo ady-e and Hyperdesmo ady-500). And truly, until the building collapses, you will not need to deal with the terrace again.
    Because many construction companies use material but only apply 1kg per meter to save costs, you need to be careful with the offers you receive and the kilograms they tell you. So, with a simple example, for a 100m terrace, you will need 150kg and 20kg of primer.
    The material is truly the best, it just requires proper application.

    Translated from Greek ·
    47
  • adam.makis
    1
    adam.makis

    The specific product was applied in combination with a primer (Microsealer) recommended by the same company (Alchimica) on a bituminous membrane with granules. Despite the good adhesion and application of the material, the surface yellowed in less than a week. All manufacturer's instructions were followed for the application of the material under the specified conditions. The company, despite witnessing the problem on-site, refused to consider the yellowing of the surface within the warranty, as the adhesion of the material was deemed good, despite the fact that yellowing reduces the thermal insulation capacity of the material (due to decreased reflection of solar radiation). Furthermore, instead of addressing the problem as they should, the company insisted on selling me additional material (whitening varnish) to fix the issue that arose from either a mistake or a possible incorrect combination of the initial materials they recommended. The company's denial of responsibility (Alchimica) continued even after the problem was identified, as they did not respond to my messages seeking a solution. The dates, times, and temperatures of material application, as well as the photographic evidence and communication messages, are available to anyone interested.

    Translated from Greek ·
    108
  • See all