Engineered—  
to work together  
Only one company can provide  
fully integrated building envelopes.  
If a building envelope is supposed to end up as  
one unified system—why cobble it together  
with disparate parts? Our curtain wall, windows,  
storefronts, skylights and glass are designed,  
engineered, tested and manufactured by the same  
company. Why? It makes buildings better. It  
saves you time. It reduces your risk. It just makes  
sense. So why doesn’t every manufacturer do it?  
They can’t. There’s only one Building Envelope  
curtain wall  
storefronts  
windows  
skylights  
glass  
Company. Call 1-866-Oldcastle (653-2278)  
or visit us online at obe.com.  

USGlass
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