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Lime

Why Use Lime?

Lime is a very unique building material which has been used in construction for over 3000 years. Landmarks, historic monuments and listed buildings across the world have used it externally and internally. All of these historic landmarks are still here today due to the unique benefits it has to offer.

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Dry slaked lime

Benefits

Lime has many advantageous properties over cement; it is weaker than the bricks, masonry and stones, yet it is able to support the full weight of the structure. This gives the building the ability to flex and move without the purpose of movement joints. There are many other benefits for using it too.

Breathability 2

A common problem with modern houses is they are becoming less and less breathable. It also allows moisture to evaporate and wall to breathe.

Absorbs Co2

When curing process starts it re-absorb CO2 from the atmosphere.

    Recycle Masonry 2

It allow masonry to be recycled at the end of the buildings life.

Reduces Expansion Joints

Modern buildings using cement will generally have an expansion joint every 8 metres.  You can have an expansion joint every 20 metres.

Flexibility

Lime mortar has a low modulus of elasticity, which allows for slight movement and thermal expansion throughout the life of the building.

Resistance To Cracks

Lime sets slowly and to a lower strength compared to cement. This reduces the possibility of cracks to form in the wall.

Which Lime Should I Use?

NHL 2

NHL 2 is the softest of the three strengths which has the slowest setting speed and is mainly used with soft or deteriorating bricks and stones.

NHL 3.5

NHL 3.5 strength can be used for permeable masonry materials which is mainly used above ground. Generally, it is used for bricks, facings, commons, blockwork, bedding, sandstone, limestone, flint, terracotta, cavity, solid walls, pointing and repointing.

NHL 5

NHL 5 strength is commonly used for the foundations of buildings, coastal locations, or for parapets, coping’s and chimneys in external areas.

Why Use Lime Mortar Colours?

When lime was used in construction of buildings, the sand used was sourced locally due to the costs involved and not having transport readily available to deliver it from the quarry to the building site. Most conservation areas have a bespoke colours, which was inherited by the colour of the sand. For example, Cotswold has a yellowish colour to its mortar and depending where you visit across the United Kingdom; you will be able to see an array of colours used.

Traditional London
Traditional London
HMTY180
Natural
Natural
HMT000
cotswold
Cotswold
HMTY360
Cambridge Dark Grey
Cambridge Dark Grey
HMTB9.2
Padstow Cornwall Brown
Padstow Brown
HMTX95
Glasgow Grey
Glasgow Grey
HMTB150
­New Heritage Lime Mortar Range

Our Heritage mortar offers the best of both worlds for your home – beauty and performance combine to offer a finished product we know you’ll love and enjoy. If you’re looking to do repairs or a new build with the wow factor, look no further, it is suitable for any property. These beautiful, heritage colours are made using highest quality materials and simple to use.

lime mortar
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