How To Fiberglass Over Plywood

Plywood is a common component in construction of many boats.  It can add structural components such as stringers, engine mounting, and the transom.  Very often it is used to mount other mechanical and electrical components as well.

Plywood works very well with fiberglass if the proper steps are taken during installation.

From BoatworksToday

In this show we cover some of the tips and tricks for fiberglassing over plywood as well as how to deal with tricky shapes and contours!

Repairing Holes in Fiberglass Panels

Holes in fiberglass panels can be repaired to remove holes and other features.

The video below demonstrates that fiberglass work can be accomplished in a home garage without too many special tools.  Quality supplies are important, and getting the details right will make for an excellent repair.

Removing the antenna from a fiberglass bodied Corvette is accomplished for a cleaner, simpler look.  These sorts of projects are relatively straightforward and can be easily accomplished.

From youtube user 71corvette

This instructional video illustrates the complete process of repairing and filling holes in fiberglass body panels.

Boat Stringer Inspection

Inspecting a boat for problems within the fiberglass structure is very important.

Rotten wood is common and disbonded and delaminated layers are a big problem.

There are several things to consider and look for.

The video below demonstrates that sound is an important tool to help identify problems.

From Skipper Rudy

Fiberglass boats – testing your stringers for rot.
Also explaining the differences of; bond, dis-bond, de-lamination.

Adam Boats – Bonito 25 – Making a boat using resin infusion. 3 man team.

Resin infusion is a great way to manufacture fiberglass boats.  The large parts of the boat are the hulls and the decks.  There have been many ways to make these in the past, and modern tools and technology allow for improvements in finished properties including strength and weight.

There are also several environmental advantages.  Employee exposure to the resin chemicals is minimized, and there is a large reduction in Volatile Organic Compounds that are released into the atmosphere.

From Youtube Szkutnikamator

Making of a fibreglass motorboat using resin infusion. This video shows how Adam Boats manufacture each of their hulls and decks using resin infusion by hand. We use hand made forms which are first crafted from wood and then transformed into a fibreglass mould. This mould is then used to manufacture multiple identical copies of the original form. This process is both very difficult and time consuming but the results are stunningly effective. Many layers of fabreglass and other special matieral are laminated together and finally infused with resin. Please enjoy the video and if you have any queries please visit.

Trenchless Sewer Repair Demonstration with Epoxy

Composite epoxy with polyester reinforcement can be used to repair existing sewer lines without digging them up (trenchless).

Clip from This Old House:

Surfboard Fiberglass Tail Repair

Repairing fiberglass surfboards is a process that can be completed at home in a garage.  Fiberglass material and epoxy resin can be used along with a vacuum pump to vacuum bag a durable repair.

From Matthieu Libeert

 In this video I show you how I’ve done a repair on a board of a friend of mine. The Tail of the surfboard had some impact and the foam was visible through the fiberglass. To prevent moist from the seawater attacking the foam a new layer of fiberglass was applied to seal it all again.

Here are the materials used and where you can buy them (if possible)

1. Degreaser (local DIY store, automotive or paint section)

2. Play d’oh (toystore)

3. Electric tape (DIY store)

4. Woven Glass 2/2 Twill 200g 1m Wide

5. PP180 Economy Peel Ply 1.52m – 5lm Folded Pack

6. R250-P3 Perforated Release Film 1.3m – 5lm Folded Pack

7. BR180 Breather Layer Cloth 1.52m – 5lm Folded Pack

8. Vacuum Bagging Gum Sealant Tape 15m – Individual Rolls

9. VB200 Vacuum Bagging Film 1.52m LFT – 5lm Pack

10. Resin Infusion Silicone Connector

11. 6mm ID Budget PVC Vacuum Hose 5m

12. Composites Vacuum Pump

13. EL2 Epoxy Laminating Resin 500g FAST

An inexpensive alternative for drilling carbon fiber and fiberglass

Performing drilling and milling operations in composite fiberglass and carbon fiber parts can be challenging.

There can be problems with holes that have remaining fibers, surface flaking, and burrs, among other things.  The equipment and tooling that are used play a big part in the success and failure of the project.  Operator methodology also plays and important role.

From Greene Tool Systems Inc.

Carbon Fiber and Fiberglass continue to grow in popularity not only in aircraft but also in Automotive. Firms have had success drilling with these materials, but the tools are very expensive. In this video, we chronicle Greene Tool System’s product development of a new cutting tool that will effectively drill carbon fiber and fiberglass for a fraction of the cost.

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