ACE Thatch & Bamboo Inc. has built some of the world’s most iconic African Grass Thatch roofs. Scientific name Hyparrhenia hirta is a species of grass; AKA thatching grass and Coolatai grass. African Grass Thatch It is native to much of Africa and Eurasia. Depending on the skill level of the thatcher, the degree of roof angle, and the climate where it is installed natural custom African grass thatch can last 20 to 30 years. ACE Thatch & Bamboo is a certified #1 thatch roofing company in the USA. It doesn’t matter where your project is or the type of thatch roofing material you desire, we work with Master Thatcher’s from around the world supplying and installing all types of organic and synthetic/artificial thatch roofing materials. African Grass Thatch can be used on everything from very expensive homes to relaxing garden gazebos. With African grass, a sub-roof is not required. The thatch is installed by hand stitching (sewing) the grass to wood battens with tarred twine creating a beautiful and durable roof 6 inches thick, it can have sharp or rounded corners. African grass thatch has high insulating properties, is 100% watertight, withstand high winds, and can be treated with a fire retardant. We suggest a 45° roof angle for this type of thatch roof. ACE Thatch & Bamboo Inc., has built some of the world’s most iconic African Grass Thatch roofs. All of ACE Thatch & Bamboo, Inc., custom natural thatch roofing materials are sustainable and 100% green at their best.