I'm partial to Lee Industries and The MT company - they have a lifetime warranty on both the frame and suspension. Both of these companies have large scale sectionals that could work. The Lee 5392 has both modular and non-modular options. The MT Oliver sectional is very large scale. Use their retailer locator to find someone near you that can help - or if you don't have one near you, I can help with either of these companies.
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