40 Bags EWI-220 EPS Basecoat Insulation Adhesive – 25kg

40 Bags EWI-220 EPS Basecoat Insulation Adhesive – 25kg

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    £556.14 EX VAT £667.37 INC VAT

    Additional Info

    Brand:
    Ewi System
    Product Code:
    C-1261
    • Application:
      Is our most popular adhesive for EPS. It is a dual-purpose product, used to fix EPS insulation to substrates and also as part of the basecoat reinforcement layer. Once dry, the adhesive provides a strong, flexible and waterproof layer.
    • Type:
      EPS Basecoat Insulation Adhesive
    • Product Size:
      25kg
    • Estimated Delivery:
      1-3 Working Days
    • Speak to an insulation expert:
      Get in touch with us over our LIVE CHAT or 02038839057

    Product Description

    40 Bags EWI-220 EPS Basecoat Insulation Adhesive – 25kg


    EWI-220 EPS Basecoat Insulation Adhesive – 25kg is our most popular adhesive for EPS. It is a dual-purpose product, used to fix EPS insulation to substrates and also as part of the basecoat reinforcement layer. Once dry, the adhesive provides a strong, flexible and waterproof layer. Being dual-purpose, this product allows installers to have only one type of bag on-site, meaning less wastage. 

    EWI-220 EPS Basecoat Insulation Adhesive – 25kg is prepared in the same way regardless of whether it is being used for the basecoat reinforcement layer or to fix the EPS insulation boards to the substrate. The following substrates are suitable for the application of EPS insulation boards using EWI-220: ordinary concrete, walls of ceramic and silicate elements, concrete, light-aggregate and cellular concrete with an untreated surface, plastered, painted or textured.


    EWI-220 EPS Basecoat Insulation Adhesive – 25kg is a universal EPS basecoat that also acts as an EPS adhesive. This product is perfect for those that want to minimise product waste by having just one bag on-site.


    Intended Uses

    EPS Basecoat should be installed with the fibreglass mesh to form the reinforcement layer on top of the EPS thermal insulation system. The underlying insulation should be level without any gaps or external debris that could compromise the quality of the reinforcement installation process


    Key Facts

    -Waterproof

    -Frost-resistant

    -High elasticity

    -EPS adhesive and basecoat

    -25kg dry mix

    -Composition: Portland cement, mineral fillers, polymers, organic admixtures, reinforcing fibres

    -Bulk density (dry mixture): about 1.45 g/cm³

    -Adhesion to concrete (air-dry): ≥ 0.3 MPa

    -Adhesion to polystyrene: ≥ 0.08 MPa (rupture in thermal insulation material)

    -Soluble chromium (VI) concentration: ≤ 0.0002%

    -Substrate primer: EWI-301

    -Application and setting temperature(air, substrate, materials): from +5°C to +25°C

    -Water mix proportions: approx. 5.8 l of water per 25 kg of dry mix

    -Time to use after mixing with water: about 2 hours (temperature +20°C and air humidity approx. 60%)

    -Quantity to be used: approx. 4-5 kg/m2

    -Min/max thickness: 4mm-10mm


    EWI-220 EPS Basecoat Insulation Adhesive – 25kg


    EWI-220 EPS Basecoat Insulation Adhesive – 25kg is a cement based adhesive. It is manufactured from a mixture of Portland cement, texturing aggregate, mineral fillers and hydrated lime. The grey cement based basecoat is used to embed in the fibreglass mesh as part of the reinforcement layer on polystyrene (EPS) thermal insulation systems. EPS basecoat can also be used as a bedding adhesive to stick EPS boards to a substrate. The EPS Basecoat is highly durable, elastic, quick drying and has excellent frost resistance properties. EPS Basecoat should be stored correctly to ensure the product performs consistently throughout the application process. The presence of polymer-modified binders within the adhesive deliver strong adhesion, better flexibility, higher crack resistance and improved durability.


    Preparation

    EWI-220 EPS Basecoat Insulation Adhesive – 25kg comes as a dry mix in 25kg bags and needs to be mixed with clean, cold water (5.8 litres) prior to use. We suggest using a large bucket and adding the water prior to the EPS Basecoat Adhesive. Once the product has been added to the water, it needs to be mixed using a paddle mix until an even consistency mortar is produced. Once the EPS Basecoat Adhesive has been mixed, leave the bucket for 5-10 minutes and then remix using the paddle mix – the adhesive is then ready for use.


    Application

    If using the EPS Basecoat Adhesive for the basecoat layer, apply the basecoat using a 10mm notched trowel to the substrate. Next, embed overlapping pieces of Fibreglass Mesh; the mesh should sit within the middle of the basecoat layer. Once embedded, the basecoat layer should be 6mm in total.


    When applying EWI-220 to the back of EPS insulation boards, the adhesive can be applied in two waits. Either apply EWI-220 to the whole surface of the EPS board using a notched trowel or apply it to the perimeter of the insulation board with 3 dabs across the middle. If using Mineral Wool, then EWI-225 (Premium Basecoat) must be used instead of EWI-220.

    Please note: this product should not be used as a render-only basecoat onto masonry. Please use EWI-225 for this purpose.


    Application Conditions 

    Substrate primer: EWI- 301 or EWI-310 if a key is required.

    Application temperature (air, substrate, materials): from +5°C to +25°C

    Water mix proportions: approx. 5.8 l of water per 25 kg of dry mix

    Time of usability after mixing with water: approx. 2 hours (temp. +20°C)

    Quantity to be used: approx. 4-5 kg/m2

    Storage Conditions : Comes in powder form in a 25kg paper bag.


    Store in a cool, dry place. Avoid ingress of water. Shelf life: up to 12 months from the date of manufacture.


    If you have questions about EWI-220 EPS Basecoat Insulation Adhesive – 25kg please call us on 02038839057! You can also text us back in our live chat.


    Please find all datasheets in PDF & BROCHURES section.

    Bee with us!! 02038839057

    [email protected]


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