The Outdoors Blog
Hardware, Home Improvement

How to Effectively Replace the Framework and Cushions for Your Boat

April 20, 2017 by · Leave a Comment 

Written by: Foam Factory, Inc.

Summary: Soggy boat cushions aren’t just a hassle to clean, but they can also absorb massive amounts of bacteria that can be detrimental to your health.

As a boat owner, one of the most annoying and time-consuming issues to fix is an unexpectedly soggy boat cushion. Fortunately, there are solutions that can solve these problems permanently using waterproof, ventilated substitutes. This article will discuss how you can go about doing so.

Choosing the Right Materials

Selecting the right materials is the most important aspect of switching to custom outdoor cushions. Be sure that you choose a water-resistant material such as closed-cell foam, opposed to open cell (which absorbs water). For the cushions that you are replacing, be sure that you measure each cushion accurately. Otherwise, you’ll either have to return the product or cutting it on your own – both are inconvenient to say the least.

How to Replace Your Cushions

After obtaining the measurements for each cushion, plan the frame of the cushion to be at the least 1 inch smaller than cushion each direction. Then, you’ll want to measure and cut out a piece of 3/8 inch exterior plywood that’s measured to that particular size – you can use a carpenters’ square to help assist you with this.

Cut four pieces of parting stop stock to form the insides of the frame that will surround the cushions. Nail each strip of parting stop onto the sides of the plywood to create a type of shallow tray – you can use braids to attach the stripe to one another at the corners. Once the frame of the cushion is assembled, now comes the dirty work.

Completing the Framework

Start by drilling four to eight ½ inch ventilation holes in the plywood base – depending on the size of your desired frame. Varnish the entire frame throughout using a high-gloss polyurethane varnish and cover each section of the wood generously to prevent it from delaminating. Following this, varnish all of the exposed surfaces of the parting stop frame as well as the edges and both sides – while paying particular attention to covering the insides of the drilled ventilation holes. Let the frame dry completely, then apply a second generous coat of varnish.

Replacing the Inner Cushion Filling

Measure and cut your closed-cell foam exactly to size with a sharp utility knife. Remember, the foam needs to be at least 1 inch larger than the plywood frame. Use the foam as a pattern and cut a piece of waterproof fabric or vinyl roughly 7-8 inches longer than the foam all around, so it can be easily folded over the foam toward the middle of the cushion. Also, be sure to leave enough room for the fabric to cover the sides of the frame – you can also add polystyrene insulation for additional comfort and support as well.

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