advanced dualpitch enabled options truss type dualpitch truss type advanced options enabled for dualpitch truss type A roof top is part of a building envelope. It is the covering on the uppermost part of the building or shelter which provides protection fro...
advanced bearing enabled options tail truss type truss type advanced options enabled for tail bearing truss type A roof is part of a building envelope. It's the covering on the uppermost part of a building or shelter which provides protection from f...