Other elements of the archaeological heritage constitute part of the living traditions of indigenous peoples and for such sites and monuments the participation of local cultural groups is essential to their protection and preservation. ... 1.
This wide budgetary range takes into account the varying costs of the materials listed above. As you begin to price patio roof additions with local roofers, a basic aluminum roof may cost $6000-$10,000 for a 20â x 20â area.
1 Building a flat roof costs approximately $1.50 to $10.00 per square foot. 2  Assuming an average roof size of 1,500 square feet, that s a total cost of $2,250 to $15,000. 3  Asphalt roll roofing costs $1.50 to $2.50 per square foot installed ($2,250-$3,750).