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Advantages of EIFS

  • Condensation Reduction

    Condensation can occur in places of thermal bridging.

    The temperature difference between cold spots and the internal air temperature coupled with the high internal humidity.

    This condensation can lead to mould growth.

    Breathability

    Breathability can be engineered into an EIFS system by proper choice of finish/insulation.

    Extruded Polystyrene (EPS) based systems have good breathability which can be further enhanced using a vented base profile and a sub-insulation cavity.

    Mineral wool (MW) is a breathable insulation which when used with silicone/mineral based finishes produces an EIFS system with excellent breathability suitable for old structures without a DPC.

    Interior insulation seals the inner wall and does not allow internally generated humidity to escape through the wall thereby leading to high levels of humidity and hence condensation.

    Space Saving

    Buildings are in general valued according to their interior floor space.

    Interior  insulation systems typically reduce internal floor space by approx 6%.

    Exterior Insulation systems have no effect on the interior space thereby increasing the property valuation by an equivalent amount.

    Thermal Efficiency

    External Wall Insulation (EWI) has the design flexibility to fit any u-value requirements and is commonly used for Passive Construction with u-values down to <0.1.
    U-value range 0.1 - 0.35

    Interior insulation is normally limited to 70-80mm as reducing floor space is a serious consideration.  
    U-value range 0.35 – 0.45

    Cavity wall insulation is limited to the dimensions of the cavity which is normally 50-70mm.  
    U-value range 0.45 - 0.6

    • Neighbouring properties with and without EIFS

    • Interior Insulation       

    • Cavity Wall Insulation  

    Thermal Mass Utilisation

    With an exterior insulation system all energy used to heat or cool the inner space is used and stored in the wall mass of the structure.

    It uses the  mass of the structure as a storage heater/cooler.

    The stored energy radiates back into the structure to help maintain the desired temperature.

    Interior insulation does not have this effect leading to more temperature swings in the building.

    3-in-1 System 

    Exterior insulation is a 3-in-1 construction system:

    Insulation

    Plastering/levelling

    Decoration

    Interior insulation and Cavity Insulation only insulates.
    Exterior Insulation therefore does more for your money.

    Convenience in Use

    Exterior Insulation renovation projects can be done while the building is in use.

    With interior insulation there is substantial disruption to interiors. In most cases the property needs to be vacated when such works are in progress.

  • For enquiries:
    01825 761333

    enquiries@terraco.co.uk


    EIFS (External Insulation Finishing System)

    Brochures

    EIFS Brochure

    Technical Drawings


     Technical Datasheets

    Styrofix

    Styrobond

    P Primer

    Terracoat


    Material Safety Data

    Styrofix/Styrobond

    P Primer

    Terracoat


    Accreditations
  • Over 38 years experience in the Resin Surfacing Industry

    Privacy Policy

    Addagrip Terraco Ltd is a company registered in England Registered No. 1492055  VAT No. GB 315993925

  • Addagrip Terraco Ltd
    Addagrip House
    Bell Lane Industrial Estate
    Uckfield
    East Sussex TN22 1QL

    Telephone:  01825 761333
    email:  sales@addagrip.co.uk  

                

 

 

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