Marine Upholstery - Remake or Recover?
- Canvas and Covers
- Mar 16
- 2 min read
In Northland Region, our boats live a pretty good life — lots of sunshine, salt air, fishing trips, and long days on the water. But those same conditions can be tough on marine vinyl, acrylic covers, and upholstery if they aren’t cared for properly. A little seasonal maintenance can dramatically extend the life of your squabs, covers, and canvas.

Silvertex Vinyl Range by Spradling in 'Ice' with 'Carbon' detailing.
Start with a proper clean before storage - Dirt, fish slime, sunscreen, and body oils all feed mould and mildew in our warm coastal climate. Give vinyl and acrylic surfaces a thorough wash with a mild marine cleaner. Avoid harsh chemicals like bleach or silicone-based products — they can weaken stitching and damage protective coatings. Once cleaned, make sure everything is completely dry, especially around seams, zips, and underneath cushions where moisture likes to hide.

Settee Covered in Sauleda - Plain Range in 'Regata'
Protect against Northland’s strong UV - Even outside of summer, UV can slowly harden and crack vinyl. Applying a quality protectant such as 303 Aerospace Protectant helps keep vinyl supple and prevents sun damage. Think of it like sunscreen for your upholstery. 303 Protectant can be used for non-vinyl fabrics like the Sunbrella range pictured below.

Curved interior settee in Sunbrella - Echo Range in 'Ash'
Airflow is key when covering boats - Use a breathable marine cover and make sure there’s ventilation underneath. If the boat is on a trailer, slightly raising the bow allows water to drain away rather than pooling. Moisture absorbers like DampRid or silica packs can also help keep humidity down inside the boat.

Phifertex Mesh used for squab base ventilation in 'White'
If possible, remove cushions, squabs, and soft gear such as life jackets and store them somewhere dry indoors. If they must stay onboard, prop them up so air can circulate underneath.
Watch the foam — it doesn’t last forever. One thing many boat owners don’t realise is that foam breaks down over time. UV exposure, salt air, and constant compression slowly reduce the foam’s integrity. Sometimes what looks like a simple re-cover job actually becomes a full replacement once the squab is opened up.

Signs the foam may need replacing include:• Squabs that feel flat or “bottom out” when you sit on them• Foam that crumbles, cracks, or turns powdery when handled• Persistent moisture retention or mildew smell inside the cushion• Misshapen or sagging cushions that no longer hold their form
In these cases, replacing the foam is often the best long-term option rather than recovering worn materials over failing structure.

Exterior curved seating in Sunbrella - Linen Range in 'Silver'
With a bit of care and attention to cleaning, airflow, and UV protection, marine upholstery can last many years — even in Northland’s sunny, salt-rich conditions. And when cushions finally do reach the end of their life, a professional assessment can help determine whether a recover will do the job or whether it’s time for a full squab rebuild.
Give us a call and we'll see what we can do to transform your marine upholstery!


Comments