Ecomerchant Protect EWI (External Wall Insulation System)

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The Ecomerchant Protect system is suitable for use in masonry, timber frame and cross laminated timber construction, for either new build or renovation projects. Ecomerchant have partnered with Lime Green and Steico to produce a complete and comprehensive external render system. This system offers insulation boards, fixings, beads & mouldings and a lime based render. In developing this system our priority has been the production of a water vapour open, low impact system.




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  1. CSK Insulation fixing screws 1

    CSK Insulation fixing screws (for wood)

    Regular Price: £19.69

    Special Price £6.30

    High quality fixings designed to go into wood and stud work.

    To be used with 60mm hinge capped insulation retaining washer. To be used with woodfibre boards from 60mm - 240mm thick.

    Price is per box of 200 (fixings over 150mm long are 100 per box)

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  2. Insulation retaining washer 60mm hinged cap 1

    Insulation retaining washer 60mm hinged cap (box of 100)

    Regular Price: £15.95

    Special Price £9.95

    Insulation Retaining Washers are used for securing rigid insulation. Using these 60mm diameter washers reduces cold bridging and allows for movement without damaging the surface finish.

    To be used with Insulation fixing screws

    Price is per box of 100

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  3. Insulation Fixings for solid walls 3

    Insulation Fixings for solid walls (box of 200)

    Regular Price: £32.13

    Special Price £29.35

    A universal ISO nylon 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 - 200mm.

    Drill through insert sleeve, hammer in fixing peg. All plastic construction helps minimise cold bridging Available in a selection of sizes - please see drop down menu above.

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  4. Natural Finish WP, Coloured Lime Render, All Colours 22kg

    Natural Finish WP, Coloured Lime Render, All Colours 22kg

    Regular Price: £17.87

    Special Price £17.51

    This is part of a BBA approved system and cannot be purchased online, please call 01793 847 444 to purchase.

    22kg - a natural lime final coat for use with the Prepbond WP basecoat a through coloured hydraulic lime finish coat with excellent adhesion and weather resistance.  Based on hydraulic lime, natural and recycled aggregates 

    Available in a wide range of colours please call 01793 847 444 for details or choose from the standard colours by clicking on the 'More Info' tab below

    Price is per 22Kg bag

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  5. Glass Fibre Mesh 660 2

    Glass Fibre Mesh 660 1m x 50m Roll

    Regular Price: £97.38

    Special Price £59.00

    A medium guage mesh type 660, 1 x 50mtr

    For reinforcing internal plaster such as Solo and for use to re-inforce render base coats 

    Price is per roll

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  6. Prepbond WP Lime Render Base Coat 18kg

    Prepbond WP Lime Render Base Coat 18kg

    £22.18

    This is part of a BBA approved system and cannot be purchased online, please call 01793 847 444 to purchase.

    Externally, Prepbond WP lime render undercoat is applied directly to wood fibre and general insulation boards to ensure a good surface bond for renders.  Once applied, it still allows a wall to breathe and provides additional protection against weather so insulation stays dry.

    Prepbond WP is made from natural hydraulic lime combined with natural and recycled aggregates and so can be confidently used for ‘green building' or to meet specific environmental requirements.

    Price is for 1 x 18kg bag

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  7. 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 natruallly 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 Learn More