Composites

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Drill paddle stirring resin in a white bucket beside a graduated mixing cup, fiberglass tape and woven cloth, careful resin mixing for a layup
By: Boat Suppliers
18 August 2026

Resin Mixing Mistakes That Ruin Your Composit...

Avoid costly resin mixing mistakes on your boat project. Learn why resin not curing, too much cat...

By: Boat Suppliers
18 August 2026

Resin Mixing Mistakes That Ruin Your Composit...

Avoid costly resin mixing mistakes on your boat project. Learn why resin not curing, too much cat...

Two quart cans of clear polyester surfboard resin on a workbench, one with a faint blue tint
By: Boat Suppliers
09 August 2026

Silmar 249A vs 249B: One Additive Apart

Silmar 249A and 249B are the same unwaxed polyester laminating resin. The B carries an optical br...

By: Boat Suppliers
09 August 2026

Silmar 249A vs 249B: One Additive Apart

Silmar 249A and 249B are the same unwaxed polyester laminating resin. The B carries an optical br...

Clear epoxy in a mixing cup with a wooden stir stick beside an open jar of white fumed silica powder, ready to thicken epoxy in a boat shop
By: Boat Suppliers
08 August 2026

How to Thicken Epoxy: What to Add and How Much

Thicken epoxy with fumed silica: 1-2% by weight for sag control, 6-10% for structural putty. Rati...

By: Boat Suppliers
08 August 2026

How to Thicken Epoxy: What to Add and How Much

Thicken epoxy with fumed silica: 1-2% by weight for sag control, 6-10% for structural putty. Rati...

Spreading water-clear polyester laminating resin over fiberglass cloth on a surfboard blank
By: Boat Suppliers
08 August 2026

Is Silmar 249 a Laminating Resin?

Silmar 249 is a water-clear, UV-stabilized polyester laminating resin, the surfboard industry sta...

By: Boat Suppliers
08 August 2026

Is Silmar 249 a Laminating Resin?

Silmar 249 is a water-clear, UV-stabilized polyester laminating resin, the surfboard industry sta...

Outboard motor hung on the fiberglass transom of a white and navy boat in a boatyard, the load-bearing stern a transom repair rebuilds
By: Boat Suppliers
04 August 2026

How to Repair a Fiberglass Boat Transom: A St...

Learn how to do a fiberglass boat transom repair the right way, from diagnosing rot to re-laminat...

By: Boat Suppliers
04 August 2026

How to Repair a Fiberglass Boat Transom: A St...

Learn how to do a fiberglass boat transom repair the right way, from diagnosing rot to re-laminat...

Glossy white fiberglass boat mold with a bolted flange around the rim in a bright shop, the polished surface a hull is gelcoated and laid up in
By: Boat Suppliers
28 July 2026

How to Build a Fiberglass Boat from a Mold: A...

Learn how to build a fiberglass boat from a mold step by step โ€” mold prep, gelcoat, hand layup, r...

By: Boat Suppliers
28 July 2026

How to Build a Fiberglass Boat from a Mold: A...

Learn how to build a fiberglass boat from a mold step by step โ€” mold prep, gelcoat, hand layup, r...

Glossy dark green canoe with varnished wood gunwales and seats beached on a calm lake shore at sunset, the goal of a DIY fiberglass canoe build
By: Boat Suppliers
21 July 2026

DIY Fiberglass Canoe Build: A Complete Step-b...

Build a DIY fiberglass canoe from scratch with this detailed guide covering strip methods, canoe ...

By: Boat Suppliers
21 July 2026

DIY Fiberglass Canoe Build: A Complete Step-b...

Build a DIY fiberglass canoe from scratch with this detailed guide covering strip methods, canoe ...

Fiberglass cruiser with a navy hull moored beside a bare aluminum cabin boat at a marina dock, comparing the two hull materials for repair costs
By: Boat Suppliers
17 July 2026

Fiberglass vs Aluminum Boat: Repair and Maint...

Fiberglass vs aluminum boat: a real-world maintenance and repair comparison covering costs, DIY r...

By: Boat Suppliers
17 July 2026

Fiberglass vs Aluminum Boat: Repair and Maint...

Fiberglass vs aluminum boat: a real-world maintenance and repair comparison covering costs, DIY r...

Finished white fiberglass surfboard on a wooden wall rack, the glossy glassed surface showing the stringer line, result of a composite build
By: Boat Suppliers
14 July 2026

How to Build a Fiberglass Surfboard: A Step-b...

Learn how to complete a fiberglass surfboard build step by step, from blank prep and woven fiberg...

By: Boat Suppliers
14 July 2026

How to Build a Fiberglass Surfboard: A Step-b...

Learn how to complete a fiberglass surfboard build step by step, from blank prep and woven fiberg...