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Cornerstone NHL Insulating Plaster / Render

From£15.55 + VAT
Cornerstone Insulating Lime Render Plaster
Product Name
Quantity
Price
9kg Bag
£15.55
Full Pallet (100 bags)
£1475.00

Cornerstone Insulating Lime Render Plaster

Cornerstone Insulating Lime Render Plaster lets you Render, Insulate and Dehumidify all in one. Lightweight render which offers low strength, high flexibility, high vapour permeability and advanced thermal performance, for use on solid walled masonry.Insulating Render has been specifically designed to reduce heat loss in solid walls and older buildings. Working as a lightweight base coat for rendering and plastering applications, Insulating Render offers significantly improved insulation and moisture management, as well as much faster application times compared to conventional lime renders,or mechanical fixing of insulation boards

  • Work Quicker, Apply Thicker – Insulating Render can be applied up to 30mm depth as a single coat, compared to standard lime mortar which is 15mm per coat, significantly reducing labour times and costs.
  • Let Your Walls Breathe – behaves the same as a standard NHL2 render, offering a highly vapour permeable and highly flexible coating, helping reduce issues such as damp and decay
  • Highly Insulating – with a measured K Value of 0.12, a 25mm coat will improve the U Value of a solid wall by around 40%, whereas a 50mm coat will improve the U Value by around 60%.
  • A Dehumidifier for Your Walls – by incorporating non-porous aggregate Insulating Render helps to regulate moisture movement through the wall and reduce cold spots. Independent testing verifies how Insulating Render can absorb, store and buffer excess moisture, releasing it when suitable and never trapping it within the wall, improving the air quality and comfort of internal spaces.
  • Superior Performance – Insulating Render is at least 50% more insulating than the closest performing market alternative and is priced to meet or cost less than market alternatives.
  • Space Is A Premium – Insulating Render can be applied directly the wall it does not require framing or boards which can reduce space. If you are looking to maximise insulation it can also be incorporated within a boarded system.
  • Natural Mineral Ingredients – made using only NHL2, recycled aggregates and additives enabling it to be used on virtually any background and contains no organic content so no fear of the coating rotting or breaking down.

Cornerstone Insulating Render is designed to improve the thermal performance of solid walled masonry, whilst maintaining the high vapour permeability and low strength of an NHL2 render. Insulating Render offers a viable solution for Part L1B legislation in that it meets the requirements for improving the thermal performance of a wall, whilst maintaining a permeable fabric which absorbs and readily allows for the evaporation of moisture and will not prejudice the character of the host building or increase the risk of long-term deterioration of the building fabric or fittings. With a measured K Value of 0.12, Insulating Render significantly outperforms similar systems both in terms of performance and cost. A 50mm application will improve the U value of a solid wall by 50% or more, significantly reducing heat loss.

Most available lightweight/insulating materials use aggregates that have a two-dimensional structure, when these are subject to pressure during application the aggregate can breakdown, reducing both the thermal performance and durability of the mortar. Cornerstone Insulating Render uses a specialist recycled ultra-lightweight hardened aggregate with a three-dimensional structure, which does not breakdown under application and improves both the durability and insulating properties of the render.

Fibre additions improve the flexural strength of the render, distributing stresses across the render to help reduce point loading, and negate the need for any mesh to be applied to the wall or inserted within the render

COVERAGE After mixing, a bag will produce approximately 15 to 16 litres of mortar. For render applications, a bag will cover approximately 1.38m2 at 10mm thickness

In terms of spraying the Insulating Render it can go through a hopper fed sprayer (like the sablon guns) or a putzmeister sprayer (diesel sprayer, which has a separate mixing section)

To be finished with 

Internal - Fine Stuff

Internal - Solo

External - Natural Finish