It is still porous, but you have a few seconds to wipe up a spill. For more info go to solidsurfacealliance.org or forum.solidsurfacealliance.org
granite and slate
There are 2 types of permeability- Porosity and Perviousness Granite and basalt are both pervious Granite has low porosity, but basalt can be both porous or non-porous. It depends on its rate of cooling.
Igneous rocks range from the highly porous pumice to the nearly non-porous granite. In some explosive eruptions of felsic magma, as is the case with pumice, the frothy mixture of rock and gas cools so rapidly that open vesicles are preserved, making it very lightweight and porous. With granite, the intrusive igneous rock has had a long time to cool underground, and with its interlocking crystalline structure, it has an extremely low porosity.
NO! It must be sealed for countertop use. Radon gas has been found to penetrate up to six feet of solid rock.
Granite is porous, but not permeable. In other words, granite does not let rain water pass through it. The leak is probably occurring in the mortared joint between the lintel and the brick or stone that is adjacent to it, leaking at the joint between the window frame and the lintel, or is getting behind the brick or stone facing at some point above the window through an opening, crack, or window above the lintel. It's even possible that water is penetrating somewhere on the roof, entering the wall, and then being blocked by the window. All of the above have been known to cause leaks at window openings.
All natural store is porous and needs to be sealed. Travertine is the most porous over marble and granite
Decomposed or partially decomposed granite is porous.
Very porous, keep it sealed contantly and blot up all spill imeadiately
No. Limestone is more porous than granite.
The crystals of granite are very tightly interlocked. This means that granite is not a very porous type of rock.
Sorry but i only got 1 porous rock and 1 non-porous rock :)Porous rock = sandstonenon-porous rock =granite
as far as I know, all granite should be sealed.
granite and slate
Granite is real stone, and as such it is naturally porous. Microorganisms can grow in the pores and contaminate food on the surface. Makers of granite countertops therefore provide or recommend sealants, usually a form of spray silicone, to minimize the natural porosity of the stone. It should be noted, however, that natural stone countertops are not certified in the United States for use in commercial food processing because of the porosity/microorganism problem. There is another form of "granite" top called "engineered stone" or just "quartz" which is basically a ground up granite mixed with resin. These materials, which go by many brand names, do not require sealing because they are permanently sealed with resin, but they have their own quirks. The main thing for most people is esoteric: if you love the natural beauty of real stone, go for it, and seal it according to directions and keep it scrupulously clean.
There are 2 types of permeability- Porosity and Perviousness Granite and basalt are both pervious Granite has low porosity, but basalt can be both porous or non-porous. It depends on its rate of cooling.
Granite is relatively non-porous due to the interlocking nature of the crystallized minerals which it contains.
Granite particles are interlocked as the minerals formed from the slow cooling of molten material. Sandstone does not have the same interlocking crystal system, and voids between particles are generally larger.