Roof coverings
How to choose roofing materials
...rubber shingle manufacturers offer at least a 30-year warranty, some as high as 50 years or even lifetime. Fairly high cost comparitively speaking.
6. Green roofs- intensive and extensive:
Green roof © Ecohome
An intensive green roof, also known as a ‘rooftop garden’ refers to planting areas that have a depth of 6 i...