Re: Advice needed for online purchase of a leather sofa
If given a choice between an 8-way hand-tied coil suspension vs a spring system...DEFINITELY take the 8-way, its the gold standard. Of course it has to be done correctly and need a very strong, very tight webbing with steel band reinforcement else the sofa will sag as it ages.
Yes, kiln-dried solid hardwood is top drawer for framing. Short of watching the build it or cutting open a dust panel to look inside, you pretty much have to take their word on it. A properly done hardwood frame has very little torsional twist in it however. You can tell by picking up a front leg corner and see how much the frame racks before the other leg comes off the ground. Most solid hardwood sofa frames will lift about 1.5" before the second leg comes up. A Plywood frame has much more twist and will be more like 2.5" to 3" before the second leg lifts.
Duane Collie
Straight answers from thirty-six years in the business.
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