Ecomerchant IWI (Internal Wall Insulation Products and Systems)


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  1. Ecomerchant Internal Wall Insulation System - Wood Fibre Board & Lime Plaster (IWI)

    Ecomerchant Internal Wall Insulation System - Wood Fibre Board & Lime Plaster (IWI)

    £0.00

    Out of stock

    The concept of this is similar to the External system, but as it does not need to be weather resistant it is very much simpler to specify and install. The system uses  Steico Therm   a lighter grade rigid woodfibre insulation board, insulated fixings for timber or masonry, a glass fibre mesh and Lime Green’s Solo one-coat lime plaster

    Please view the individual elements by using this link, or see the main category Insulation/Ecomerchant IWI, or call for pricing and technical assitance.

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  2. Steico Therm 2

    Steico Therm (S/E) Internal - Wood Fibre Insulation Board

    £3.12

    Steico Therm rigid insulation board is made from natural wood fibres and is suitable for wall applications and it can also be used as sub screed insulation (please ask us for technical guidance for sub screed use)

    Easy and fast fixing wood fibre board with superior insulating properties in both summer and winter. High compressive strength, water vapour open (helps regulate the indoor climate of a building) fire resistant.

    FSC® accredited, ecologically friendly, recyclable.

    The board has a light side (machine sanded in the factory) and a darker unsanded side, the lighter side is the plaster carrying face.
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    1350mm x 600mm each board covers 0.81m2

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  3. Baumit MC55 Base/Top Coat Plaster/Render, natural white, fibre reinforced mineral  based mortar 25Kg

    Baumit MC55 Base/Top Coat Plaster/Render, natural white, fibre reinforced mineral based mortar 25Kg

    £18.42

    Baumit MC55 W is a highly versatile easy to use, natural white, fibre reinforced mineral based mortar.

    This versatile product and its naturally sticky nature means that it has excellent adhesion properties on a wide range of substrates and can be used as a base coat for renders, as a reinforcing coat with fibreglass mesh (Baumit Startex),as an adhesive for keying wood fibre boards, as a topcoat finish render or as a remediating topcoat over existing mineral, synthetic or resin based plasters or paintwork. 

    Baumit MC55 W can also be used to prepare smooth concrete, mineral and synthetic renders and some painted surfaces to receive a render.

    When Baumit MultiContact MC 55 W is used as a topcoat finish it must receive a suitable water resistant paint such as Baumit NanoporColour.

    Baumit MC55 W is best mixed, using clean tap water, with a plaster whisk to a smooth lump free consistency or it can be spray applied.

    Yield: 8 m2 at 3 mm  or 5m2 at 5mm or 2.5m2 at 10mm thickness approx. Consumption: 1.0 kg/m2 approx.

    Price is per bag

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  4. Solo Universal One Coat Plaster 25Kg

    Solo Universal One Coat Plaster 25Kg

    Regular Price: £16.99

    Special Price £16.29

    A universal general purpose high quality single coat plaster for use on a wide range of surfaces including plasterboard, masonry, brickwork, render board.

    Can be applied directly to Steico Therm as internal insulation. Solo is our most popular and bestselling one coat plaster thanks to its high quality and versatility. Also use Solo for small areas, patching and repair it is simple easy and quick.

    Ready reckoner: Allow 1.6kg's of dry plaster per 1mm thickness per square metre.

    Price is per 25kg bag

    Customer Rated

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  5. Ejot H1 Eco, Insulation fixing for solid masonry walls, Box of 100

    Ejot H1 Eco, Insulation fixing for solid masonry walls, Box of 100

    Regular Price: £26.79

    Special Price £13.58

    A universal hammer-in insulation anchor, which is preassembled allowing quick and easy installation of rigid wood fibre and other insulating boards to masonry, brick, cob, stone etc can be used with insulation thickneses from 20mm - 250mm.

    Drill through insulation and wall, insert sleeve, hammer in fixing peg.  Plastic coating helps minimise cold bridging  whilst Steel nail won't break.  Available in a selection of sizes - please see drop down menu above.

    • Approved for all building materials
    • Solid Steel Nail (break-proof)
    • Low profile Washer Face
    • Plastic injection element to reduce thermal bridges
    • can be used with an additional spreader washer
    • short embedment depths, minimum drill hole depth
    • High Loads for your security
    • Economic anchor usage
    • premounted mail for quick installation
    • With EPD (Environmental Product Declaration)
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  6. Ejotherm STR U 2G,  Screw Set Insulation fixing for solid masonry/Hollow Block walls, Box of 100

    Ejotherm STR U 2G, Screw Set Insulation fixing for solid masonry/Hollow Block walls, Box of 100

    Regular Price: £31.50

    Special Price £26.31

    A universal screw-set insulation anchor, which is preassembled allowing quick and easy installation of rigid wood fibre and other insulating boards to masonry, brick, cob, stone, and hollow blocks or softer substrates, can be used with insulation thickneses from 40mm - 250mm.  Larger fixings are available, call us for pricing and lead times

    Drill through insulation and wall, insert sleeve, screw in fixing peg.  Plastic coating helps minimise cold bridging  whilst Steel screw won't break.  Available in a selection of sizes - please see drop down menu above.

    • Approved for all categories of building material
    • Option to countersink installation - EJOT STR-principal with Ejotherm STR cap for homogeneous surfaces and even rendering - quick and easy without milling dust (tool required)
    • Up to 40% faster installation
    • Optimised thermal bridging (0.001 W/K)
    • Surface fixed installation using Ejotherm SRT plug
    • Short Embedment depths, high loads for maximum safety and economic anchor usage
    • Permanent contact pressure
    • Premounted screw for quick installation
    • 100% setting control: the countersunk installation of the washer indicates safe anchorage
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  7. Ejotherm STR H,  Screw in Insulation fixing for stud's or timber walls, Box of 100

    Ejotherm STR H, Screw in Insulation fixing for stud's or timber walls, Box of 100

    Regular Price: £29.42

    Special Price £23.32

    A universal screw in insulation anchor, which is pre assembled allowing quick and easy installation of rigid wood fibre and other insulating boards to studs & timber walls, can be used with insulation thickneses from 40mm - 260mm. 

    Screw in to insulation and timber behind.  Plastic Head helps minimise cold bridging  whilst Steel screw is very strong.  Available in a selection of sizes - please see drop down menu above.

    • For Timber (and some steel, max 0.75mm) substrates
    • Countersunk installation possible with an additional tool and STR Cap for homogeneous surfaces and even rendering - quick and easy without milling dust
    • No drilling necessary
    • Surface fixed installation using Ejotherm STR plug
    • Permanent contact pressure
    • 100% setting control: the countersunk installation of the washer indicates safe anchorage
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