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  2. Lime mortar - Wikipedia

    en.wikipedia.org/wiki/Lime_mortar

    The lime putty, when mixed at a 1:3 ratio, fills these voids to create a compact mortar. Analysis of mortar samples from historic buildings typically indicates a higher ratio of around 1 part lime putty to 1.5 part [18] aggregate/sand was commonly used. This equates to approximately 1 part dry quicklime to 3 parts sand.

  3. Hempcrete - Wikipedia

    en.wikipedia.org/wiki/Hempcrete

    Construction block made from hempcrete Illustration of hemp concrete carbon emissions and sequestration, with a net emissions balance indicating carbon negativity. Hempcrete or hemplime is biocomposite material, a mixture of hemp hurds and lime, [1] sand, or pozzolans, which is used as a material for construction and insulation. [2]

  4. Lime render - Wikipedia

    en.wikipedia.org/wiki/Lime_Render

    Lime render is the first coat of lime "plaster or the like" [1] applied to the external surfaces of traditionally-built stone or brick buildings. It allows the building to 'breathe' – as lime is porous, it allows for the collection and evaporation of moisture .

  5. Mortar (masonry) - Wikipedia

    en.wikipedia.org/wiki/Mortar_(masonry)

    In old buildings with walls that shift over time, cracks can be found which allow rain water into the structure. The lime mortar allows this moisture to escape through evaporation and keeps the wall dry. Re−pointing or rendering an old wall with cement mortar stops the evaporation and can cause problems associated with moisture behind the cement.

  6. Plasterwork - Wikipedia

    en.wikipedia.org/wiki/Plasterwork

    In two coat render a base coat is applied with a common mix of 4 parts sand to one part cement and one part dehydrated lime and water to make a consistent mortar. Render is applied using a hawk and trowel and pushed on about 12 mm thick to begin.

  7. Lime plaster - Wikipedia

    en.wikipedia.org/wiki/Lime_plaster

    It is usually not recommended to replace more than 20% of the lime content with cement when rendering the facade, and it is a matter of contention whether adding any concrete is ever appropriate in order to maintain the benefits of lime over concrete. Lime plaster is permeable and allows for the diffusion and evaporation of moisture.

  8. Cement render - Wikipedia

    en.wikipedia.org/wiki/Cement_render

    Some have a polymer additive added to the traditional cement, lime and sand mix for enhanced water resistance, flexibility and adhesion. [9] [10] Acrylic premixed renders have superior water resistance and strength. [11] They can be used on a wider variety of surfaces than cement render, including concrete, cement blocks, and AAC concrete paneling.

  9. Stucco - Wikipedia

    en.wikipedia.org/wiki/Stucco

    Stucco or render is a construction material made of aggregates, a binder, and water. Stucco is applied wet and hardens to a very dense solid. Stucco is applied wet and hardens to a very dense solid. It is used as a decorative coating for walls and ceilings, exterior walls, and as a sculptural and artistic material in architecture.