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The invention provides a method of constructing a building roof made from Expanded PolyStyrene (EPS) which is coated on the inside and outside with Glass Fiber Reinforced Concrete (GFRC). The building roof is designed in a CAD program. The roof is then constructed of beams, such as I-shaped beams, o

The invention provides a method of constructing a building roof made from Expanded PolyStyrene (EPS) which is coated on the inside and outside with Glass Fiber Reinforced Concrete (GFRC). The building roof is designed in a CAD program. The roof is then constructed of beams, such as I-shaped beams, of foam and GFRC.

대표청구항 ▼

I claim: 1. A method of constructing a portion of a building roof formed from a composite material, the composite material being formed from a selected plastic foam coated on at least one surface with a fiber reinforced coating, the roof having a surface interior to and a surface exterior to the bu

I claim: 1. A method of constructing a portion of a building roof formed from a composite material, the composite material being formed from a selected plastic foam coated on at least one surface with a fiber reinforced coating, the roof having a surface interior to and a surface exterior to the building, the method comprising the following steps, the roof being constructed from beams, each beam having top and bottom flanges and a web therebetween, the flanges having top and bottom surfaces and the web having opposing surfaces, the flanges and the web having opposing edge surfaces, coating the bottom surface of the top flange, the top surface of the bottom flange and the opposing surfaces of the web of the beam with a fiber reinforced coating, joining the beams together at abutting uncoated edge surfaces of the flanges and the web to form a portion of the roof and coating the roof surface interior to and exterior to the building roof formed from the joined beams with a fiber reinforced coating. 2. The method of claim 1 wherein, the flanges of the beam form portions of the roof and ceiling. 3. The method of claim 1 wherein, the beam forms a rafter, a post and a ceiling joist of the roof. 4. The method of claim 1 wherein, the bottom beam flanges are angled to form an angled ceiling. 5. The method of claim 1 wherein, the bottom beam flanges are horizontal to form a flat ceiling. 6. The method of claim 1 wherein, the top flange is shaped to mimic the look of a shingled roof. 7. The method of claim 1 wherein, the top flange is shaped to mimic the look of a tiled roof. 8. The method of claim 1 including the step of, coating the top surface of the top flange and the bottom surface of the bottom flange of the beams with a fiber reinforced coating before joining the beams together.