FA870 Premium Natural Stone Silicone

Product Finder

Talk to our team

FA870 is a one component, low slump silicone completely free of any ingredients likely to cause migratory staining to natural stone. It is neutral curing for safe sealing of stonework and has a gloss finish. Contains fungicide. FA870 is classified according to ISO 11600 as F-20HM.


For Interior and Exterior
FA870 has been formulated for the long term elastic sealing of movement joints between natural stone such as granite, slate, terrazzo, porphyry, limestone, travertine, sandstone, quartzite, marble, etc., as well as for joints with other construction materials like concrete, ceramics, metals, glass, PVC and primed wood.

Not suitable for some substrates such as butyl rubber, neoprene, EPDM, bituminous or tar containing surfaces. Contact with bituminous or tar containing surfaces can lead to discoloring and failing adhesion.

Safety data sheet must be read and understood before use.

  • Guaranteed no migratory staining of natural stone
  • Good resistance to UV light, ageing and weathering
  • Contains fungicide to prevent mould growth - suitable for sanitary & swimming pool surround applications
  • Rapid curing formulation - skins within 10 - 20 minutes
  • Chemically neutral, not corrosive and very low odour
  • Compatible with most construction materials
  • Also available in matt finish (FA880)
  • 5 colours and translucent
FA870 Declaration of Performance (en-GB).pdf Declaration of Performance
IB_FA870_DOP_UKCA_en-GB_v1.pdf Declaration of Performance
IB_FA870_DOP_CE_en-GB_v1.pdf Declaration of Performance
IB_FA870_CE-mark_long_en-GB_v1.pdf Declaration of Performance
IB_FA870_CE-mark_short_en-GB_v1.pdf Declaration of Performance
FA870 Safety Data Sheet (en-GB) (2).pdf Safety Data Sheets
FA870 Technical Data Sheet (en-GB).pdf TDS