Custom Upholstery Since 1952, Hamilton Fibre Glass Supply has provided expertise in custom upholstery to the St. Catharines area. We can help you remake your entire van or boat by changing the upholstery, and with a wide selection of vinyl and other options in stock, you’re sure to find a pattern and colour that suits your tastes exactly. Our upholstery services are for more than just boats and campers. Create a cozy resting spot for your favourite pet or craft a custom headboard. Our team will help you choose the right options!