Keratoconus (KC) is a disorder of the eye which results in progressive thinning of the cornea. This may result in blurry vision, double vision, nearsightedness, astigmatism, and light sensitivity. Usually both eyes are affected. In more severe cases a scarring or a circle may be seen within the cornea.
On the plus side Hardie Board is primarily made of concrete. It is a fibrous concrete board that termites don't eat. This is good news for warmer climates where termites stay active most of the year. Hardie siding is also impervious to moisture. You can put it in a pail of water and leave it for as long as you like and it will not become saturated.
1 Visit every supply house that sell your particular brand of Hardie Board Siding and try to negotiate a better price with each supplier â I save on average 20%.  Remember, there are multiple styled homes in the U.S â from: Contemporary, colonial, cape-cod style, ranch, bungalow, victorian, etc.