Masonry Exposure in the United Kingdom

Exposure to Wind Driven Rain in the United Kingdom

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The map illustrates the relative exposure to wind-driven rain across the United Kingdom.

Wind-driven rain is a useful factor when specifying a lime mortar, particularly hydraulic lime mortar.

NHL 5 Lime Mortar	Very Severe	100 litres/m² or more
NHL 5 Lime Mortar	Severe	56.5 to less than 100 litres/m²
NHL 3.5 Lime Mortar	Moderate	33 to less than 56.5 litres/m²
NHL 2 Lime Mortar	Low / Sheltered	33 litres/m² or less

Lime Mortar
- Lime Mortar
  The complete range of lime mortars, tools and accessories.
- Hydraulic Lime Mortar
  Traditional mortar with the practical benefits of a modern mortar.
- Lime Mortar (Non-Hydraulic)
  Also known as "lime putty mortar", extremely soft and slow setting.
- Popular Lime Mortar Mixes
- Fox Cragg Oatmeal, medium coarse, archetypal lime mortar.
- Elm Cragg Oatmeal, fine texture.
- See a comprehensive range of lime mortar mixes in the colour chart.
Conserv® Lime Mortars are made in North Yorkshire, United Kingdom

Engineered to BS EN 998-2:2016 specification, these products are CE certified and meet the CPR (Construction Products Regulations) 2013
Lime Plaster
- Lime Plaster
  The complete range, solutions for any lime plastering project.
- Hydraulic Lime Plaster
  Speed and simplicity, ideal for plastering large, flat vertical areas.
- Lime Plaster (Non-Hydraulic)
  Sticky and slow setting, best suited to laths, ceilings and patching.
- Lime Plastering Equipment
- Laths Traditional timber plastering laths.
- Natural Goat Hair Cashmere goat hair, wintered outdoors.
Conserv® Lime Plasters
Made in United Kingdom

Engineered to
BS EN 998-1:2016, CE certified
Lime Render
- Lime Render
  Natural, breathable coatings for external areas.
- Hydraulic Lime Render
  Traditional lime render, hydraulic setting, faster curing.
- Lime Render (Non-Hydraulic)
  Natural lime render, sticky and slow setting.
- Popular Lime Renders
- Base Coat Hydraulic lime render base coat / undercoat for scratch coat and float coat.
- Finish Coat - Elm Cragg Hydraulic lime render finish, neutral appearance.
Conserv® Lime Renders are made in the United Kingdom

See a full range in the lime render colour chart.
Lime
- Lime
  The best prices on natural lime in large or small quantities.
- NHL: Natural Hydraulic Lime
  Powdered hydraulic lime, stronger and faster setting.
- Lime Putty
  Non-hydraulic lime putty, soft and slow setting.
- Secil NHL 3.5 - Natural Hydraulic Lime Secil NHL 3.5 (Singleton Birch) is a dry powdered hydraulic lime for general building.
- Secil NHL 2 - Natural Hydraulic Lime Secil NHL 2 (Singleton Birch) is suitable for internal building work and lime plaster.
- See all Secil Natural Hydraulic Lime
- Tarmac Limelite NHL 3.5 Tarmac / Blue Circle Limelite products contain no additives, mineral additions or Portland cement.
- Tarmac Limelite Lime Putty Limelite Lime Putty is typically used for historic and traditional building repair and conservation.
- See all Tarmac / Blue Circle Lime
Breathable Paint
- Breathable Paint
  A range of traditional coatings and modern breathable paints.
- Interior Paint
  Interior paint for lime plaster.
- Exterior Paint
  Masonry paint for lime render.
- Conserv® Lime Wash
- - Lime Wash Traditional, natural and supremely breathable masonry coating.
    
    Hydraulic Lime Wash Durable lime wash for interiors and exteriors, lasts up to twice as long.
- Stockists of breathable paint from leading manufacturers
- - KEIM Mineral Paint
More Products
- Stone Repair Mortar Ethical stone repair solution. This mortar is sympathetic to surrounding masonry. Made to British Standards specification for historic stone masonry repair.
- Stone Consolidant Namurian™ Rock is a liquid stone consolidant, it makes soft, crumbling natural stone hard again.
- Stone Cleaner A range of stone and masonry cleaners.
  - Namurian™ Pro Clean General purpose stone and masonry cleaner.
  - Namurian™ XS4 Effortlessly removes moss, mould, mildew and lichen.
- Stone Sealer Breathable stone and masonry sealers.
  - Namurian™ Stain Free Stone and masonry sealer with satin finish.
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