When it comes to insulation boards for vegetated roofs, there are several choices available but polyisocyanurate (also known as polyiso) continues to lead the way, according to...

Which is best for a vegetated roof, a mechanically attached or fully adhered roofing membrane? The same membrane material can have different performance characteristics and costs...

Vegetative roofs, or green roofs, have been on the rise in commercial construction. In North America, Washington, D.C. is leading the way, with almost 1.6 million sf of green ...