Unfilled travertine displays naturally occurring holes , formed during the stone’s geological formation. This finish was popular in the 1930’s and is enjoying a resurgence of interest. It can be seen in long standing installations in the iconic Senate House in London and at Piccadilly tube station,https://www.designweek.co.uk/issues/7-13-november-2016/new-memorial-honouring-frank-pick-unveiled-piccadilly-circus-station/. The travertine is normally honed for a smooth matt finish. The stone can have a minimal hone for a raw looking finished surface . Over the course of time the holes may become darker, particularly if used on the floor. The holes are normally small but there can be an occassional larger one.
The product image is a silver vein cut travertine but the unfilled surface is available on all the colours of travertine and can be cross cut or vein cut..
Unfilled travertine is a hard wearing stone and available in tiles , slabs and large blocks for flooring, cladding or cut to size stonework.