Quality Furniture Starts with the Frame

The construction and inner workings of an upholstered piece of furniture can be as mysterious as an episode of Murder, She Wrote (ask your Grandma). But hidden under the decorative fabric or cover lies the secret to the piece’s overall function, comfort, and longevity. No need to call Angela Lansbury in to solve this case, read on as we uncover what makes your chair or sofa tick.

The frame is the single most important component in determining whether or not a piece of furniture is going to stand the test of time. You probably figured wood as being the most commonly used frame material, and this, of course, is true. But any old hunk of tree won’t due if you plan on passing this wonderful chair, sofa, love seat, or whatever on to your children or grandchildren (they’ll probably just put it in storage or sell it at a yard sale anyway).

Hardwoods, such as oak, alder, ash, beech and birch are what you’re looking for in a frame. These hardwoods have a tighter grain and allow for screws, pegs, and nails to be set securely. Also, the best-made frames use wood that has been kiln-dried. This process consists of heating the wood in an industrial oven to remove excess sap and moisture. The process also makes the wood resistant to absorbing any outside moisture. If you’re wondering what the problem is with moisture, I’ll tell you. If you already know the answer to this then skip down a little Mr. or Mrs. Smarty-Pants. Moisture can cause warping and swelling, can lead to loose joints and fastenings, and in severe cases can cause mildew or rotting, other than that, it’s great.

The quality of the frame depends not only on the materials used, but how they’re joined and held together. To create a strong, rigid frame, a variety of woods and laminates can be used in joints and for blocking and doweling. Joints are places where one piece of the frame meets another. These points of intersection need to be secured and reinforced with blocks and dowels to allow the frame to hold up over time. Blocking refers to placing additional ‘blocks’ of wood behind or diagonal to joints and corners to help relieve the stress these areas encounter. Blocks also provide lateral support and create a larger area for screws and fasteners to set wood elements securely. Doweling is the process of drilling into both pieces of the joint and then placing a pin, or dowel into the hole, thus further connecting the two pieces and adding extra support.

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