PRE-STRESSED ENERGY-SAVING LIGHT ROOF BOARD

The utility model discloses a prestress light energy-saving roof board which has multiple functions of weight bearing and heat preservation and is composed of heat-insulating materials (2) between a bottom layer (1) of the prestress reinforced concrete and a surface layer (3) of the reinforced concr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BAI CHANGJU, YE DAWEI, HE SUOLE ET AL
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING FIXED CONSTRUCTIONS GUTTERS ROOF COVERINGS ROOF-WORKING TOOLS SKY-LIGHTS
Online-Zugang:	Volltext bestellen
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