HP 9KL Natural Lime Clay Base Plaster with Hemp
Application Range HP 9KL

HP 9KL Natural Lime Clay Base Plaster with Hemp is used as base coat for indoors. It is ideally suited for embedding wall heating systems.
HP 9KL can be applied to all types of masonry, concrete and plaster substrates. In the case of highly absorbent substrates and very warm weather, sufficient pre-wetting is required.
It may be necessary to wet the plaster with water after application. Alternatively, priming with Ziakosal (dilution 1:8) is recommended.
Concrete surfaces must be provided with HP 14 Naturkalkhaftputz (Natural Lime Adhesive Plaster) applied with a toothed trowel. After sufficient curing, HP 9KL is applied by spraying at a thickness of approx. 10
Composition HP 9 KL
HP 9KL is a mineral dry mortar premix of mortar group CS I according to DIN EN 998-1. HP 9KL consists of natural hydraulic lime, building clay, limestone and quartz sand, hemp and a small amount of cellulose. HP 9 KL does not contain any synthetic binders, is highly vapour permeable (diffusion resistance coefficient µ = 6) and resistant to fungal and mould growth. Grain size: 2 mm.