Building Calculators

Brick Calculator
Estimate the number of bricks or blocks to build a single or double skin wall.
Pointing Calculator
Estimate mortar quantity for repointing brick walls or stonework.
Mortar Calculator
Estimate mortar quantity for laying bricks, blocks or stone (uniform masonry units).
Lime Plaster Calculator
How much lime plaster for a single coat or a traditional three coat system.
Lime Render Calculator
How much lime render for a single coat or a traditional three coat system.

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.
- Mosswood Gold Pastel, straw blond, 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™ Water Shield Invisible water based stone sealer, UV resistant.
  - Namurian™ Stain Free Stone and masonry sealer with satin finish.
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