Natural Hydraulic Lime (NHL) products
With a consistent, uniform mineralogy, the chalky, siliceous limestone at Saint-Astier® has been producing high-quality Pure Natural Hydraulic Lime for over 110 years.
RoundTower Natural Hydraulic Building Limes are natural products for building restoration and conservation.
Otterbein range of Natural Hydraulic Limes CALCIDUR® NHL 2, CALCIDUR® NHL 3.5 & HYDRADUR® NHL 5.
Internal and external thermal insulation render. Compatible with traditional and listed buildings, 15 times better insulation than traditional renders & plasters, A1 fire classification, non-combustible, Excellent vapour permeability. Great workability and easy to apply
Lime Putty
Our lime putty has been matured for a minimum of 4 months and is available in 20ltr tubs, or in bulk bags for mixing with appropriate aggregates on site.
Various grades of premixed lime putty plasters and mortars are available in tonne bags for collection or delivery to site.
Made on premise using our mature lime putty. In its natural state, it has a subtle creamy/white colour but is also available in a range of naturally pigmented colours.
A premix blend of fine aggregate and lime putty supplied in 25kg sealed bags for internal finish coats.
Vicat Prompt Natural Cement
A clear ochre-colored natural cement that binds and sets quickly. It can be used to gauge traditional lime mortars and plasters, as well in situations that require rapid setting, waterproofing or exceptionally high compressive strengths.