HP 9 Natural Lime Base Plaster

Application range HP 9

HP 9 Natural Lime Base Plaster is used as base coat for indoors (including damp rooms) and outdoors.

HP 9 can be applied to all types of masonry, as well as to rough-sawn concrete, pumice concrete and poured concrete. 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.

Concrete ceilings must be provided with HP14 Kalkhaftputz (Natural Lime Adhesive Plaster) applied with a toothed trowel. After sufficient curing, HP 9 is applied by spraying at a thickness of approx. 10 mm.

Composition HP 9

HP 9 is a mineral dry mortar premix of mortar group P Ic according to DIN 18557 and DIN 18550 based on natural hydraulic lime, limestone and quartz sand and a small amount of cellulose. HP 9 does not contain any synthetic binders, is highly vapour permeable (diffusion resistance coefficient µ = 6) and resistant to fungal and mould growth.

Product Data Sheet

Safety Data Sheet

Declaration of Performance