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  • Windows & Doors
    • Standard size windows to buy online

    • Rationel PATUS +
    • Passive House

    • Rationel AURAplus
    • Rationel AURA
    • Triple Glazed Windows & Doors

    • Rationel AURA
    • Double Glazed Windows & Doors

    • Rationel PATUS
    • Rationel DOMUS
    • Aluminium Clad

    • Rationel PATUSplus
    • Rationel ALDUS
    • Rationel AURAplus
    • Sun Rooms

    • Solarlux Sun Rooms & Folding Doors
    • Window Accessories

    • Window Accessories
  • Sunpipes & Skylights
    • Roof Types

    • Pitched Roof Applications
    • Vaulted Roof Applications
    • Flat Roof Applications
    • Square Sunpipes
    • Products

    • Light Tunnel Sunpipes
    • Additional Components
    • Suncatcher
    • Sky Lights

      • Roof Windows

      • Centre Pivot
      • High Pivot
      • Top Hung and Centre Pivot
      • Combinations
      • Roof Access Windows
      • Flashings

      • Standard
      • Special
      • Skylight Accessories

      • Control Accessories
      • Roofing Membrane
      • Blinds & Shutters
  • Building Materials
    • Bricks, Blocks & Ancillaries

    • Durisol - Recycled Blocks
    • Enviroblock - Recycled
    • Thermoplan - Clay Blocks
    • Oak Stakes
    • Lime & Mortars

    • Natural Hydraulic Lime (NHL)
    • Eminent Lime Mortars and Plasters
    • Insulating Lime Plasters & Renders
    • Lime Render
    • Lime Putty
    • Lime Putty Plaster
    • Lime Putty Mortars
    • Lime Wash
    • Lime Ancillary Products
    • Roofing Materials

    • Ecomerchant Eco Slate
    • Insulated Loft Hatch
    • Roofing Membranes
    • Steico Flex (Wood Fibre Insulation)
    • Steico Special Insulating Roof Board
    • Steico Therm Internal Insulation Board
    • Steico Universal Sarking Board
    • Membranes & Tapes

    • Roofing Membranes
    • Internal Membranes
    • Wall Membranes
    • Air Tight Tapes
    • Service Grommets
    • Compression Tapes
    • Sheet Materials

    • Panel Vent
    • Wood Wool Slabs
    • Books

    • Books
  • Renewables & Energy
    • Biomass & Wood Burners

    • Biomass & Wood Burners
    • Thermal Store, Cylinders and Tanks
    • Energy Generation

    • Anaerobic Digestion
    • Solar Thermal - Solar Water
    • Ground Source Heat Pumps
    • Air Source Heat Pumps
    • District Heating Pipe

    • Rauvitherm
    • Rauthermex
    • Everloc™ Universal Pipe Fittings
    • PV

    • PV KIts
    • Solar Farms
    • Installers, Why Buy From Us?
    • PV Survey Form
    • PV Finance
    • Antaris Solar - German PV systems
    • PV Electrical Items

    • PV Electrical Items
    • SMA Inverters

    • SMA SunnyBoy Inverters
  • Drainage & Water
    • Lindab Steel Guttering

    • Lindab Gutter Tech Page
    • 100mm Gutters (galv)
    • 100mm Gutters (coated)
    • 125mm Gutters (galv)
    • 125mm Gutters (coated)
    • 150mm Gutters (galv)
    • 150mm Gutters (coated)
    • 75mm Downpipes (galv)
    • 75mm Downpipes (coated)
    • 87mm Downpipes (galv)
    • 87mm Downpipes (coated)
    • 100mm Downpipes (galv)
    • 100mm Downpipes (coated)
    • Cast Iron Guttering

    • Classical Guttering
    • Classical Downpipes
    • Rainwater Harvesting

    • Conder Rainwater Harvesting System
    • Stormwater Management

    • Water Storage Crates
    • Process and Storage Tanks

    • Sewage Treatment Plants
    • Drainwave
  • Insulation
    • Sheeps Wool (Batts & Rolls)

    • Black Mountain Sheeps Wool Rolls
    • Thermafleece Sheeps Wool EcoRoll (Rolls)
    • Insumate Insulation Support
    • Insulated Loft Hatch
    • Steico Top Loft Insulating Board
    • Plant Fibre

    • Warmcel (Recycled Paper)
    • Black Mountain Hemp Batts
    • Steico Flex (Wood Fibre)
    • Steico Canaflex (Hemp)
    • Steico Top Loft Insulating Board
    • Insumate Insulation Support
    • Insulated Loft Hatch
    • Acoustic Matting / Underlay

    • Regupol 4515 Acoustic Underlay
    • Wood Fibre (Rigid Board)

    • Steico Special Wall & Roof Sheathing Boards
    • Steico Therm Internal Insulation Board
    • Steico Universal Sarking Board
    • Steico Top Loft Insulation Boards
    • Isolair
    • Pavatherm
    • Pavatherm Plus
    • External Walling Render Boards

    • Steico Protect
    • Diffutherm
    • Diffutherm (Masonry)
    • Diffutherm (Timber)
  • Landscaping
    • Biodegradable Matting

    • Coir Matting
    • Jute Matting
    • Fixings
    • Membranes

    • Non Woven Geotextiles
    • Woven Geotextiles
    • Root & Weed Barriers
    • Grass Reinforcement

    • Grass Pavers
    • Grass Protection
    • Root Protection
    • Green Roofing & Walling

    • Green ‘living’ roofing
    • Green ‘living’ walls
  • Maintenance & Cleaning
    • Maintenance & Cleaning

    • Bottled Cleaning Products
    • Sachet Cleaning Products
    • Biological Toilet Cistern Blocks
    • Kitchen Composters
    • Grease Buster and Drain Cleaner
    • Timber Preservatives
    • Septic Tank Treatment
    • Pond Maintenance

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Sky Lights

  • Roof Windows

    • Centre Pivot
    • High Pivot
    • Top Hung and Centre Pivot
    • Combinations
    • more ...
  • Flashings

    • Standard
    • Special
  • Skylight Accessories

    • Control Accessories
    • Roofing Membrane
    • Blinds & Shutters
  • About Us

    • Who are Ecomerchant?
    • Careers
    • Contact Us
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  • Links

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    • Follow Us On Twitter
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payment options accredited ISO14001 accredited

Registered Office: Eco Design & Installation Limited (trading as Ecomerchant), National Self Build & Renovation Centre, Lydiard Fields, Great Western Way, Swindon, SN5 8UB

Telephone: Head office - 0845 603 5688 (or +44 845 603 5688 from outside the UK). Our office hours are 9am - 5pm Monday to Friday

Registered in England. Company No. 03593372

All prices listed exclude V.A.T.