Cedar shakes often cost $800-$1,430 per square installed and last 30 years. Though beautiful, wood shingles are more vulnerable to fire and may need to be treated to prevent mold and insect damage. Slate roofs can resist all sorts of weather conditions, fire, rot, insects and they’re also low maintenance. As a natural material, slate also happens to be environmentally friendly.(Image: http://www.buildingsofireland.ie/niah/images/survey_specific/fullsize/22504074_1.jpg) To replace your clay roof, expect to pay anywhere between $15 and $30 per square foot. Size of roof – The cost per square foot goes down when the roof size is larger because the initial costs are distributed.
