Tag Archives: delamination

It may not look like much right now…

but three layers of biaxial fiberglass/mat cloth, laid up with epoxy resin, is truly a thing of beauty.

bridge 003

bridge 031

Everything is level and smooth, flush and even.  Next step, one more layer of biaxial, covering the entire bridge from end to end. Yes, it might fall along the range of overkill, but once I’m done this deck should be reasonably resistant to leaks, as well as missiles and/or the zombie apocolypse. Anything worth doing is worth doing right.

As for those hole running along the sides of the bridge, I’ve cut access so I could pour in epoxy, filling the gap between the inner and outer walls of the bridge where it meets the deck — which was probably already completely sealed in previous steps, but then again, if you’re going to go with the overkill approach, you might as well go all out.  It was an interesting process involving a funnel and section of hose, but sorry, no pics. Whe I’ve saved the cutouts, which will be glassed back in place and faired out when all is done.

Meanwhile, on the opposite end of the boat, the new rudder bearing is securely in place. Progress moves forward.

bridge 019

bridge 025

I know I haven’t been posting much these days. I’ve been a bit busy, between hurricane damage to the house, the marina where the boat is, and the marina where I’m working. But rest assured, work aboard the boat still continues, and I still continue to write.  Something has to give, and these days it seems it’s my online time….along with my sanity. But that’s another topic.

Life in the shed continues…

 

It’s a reasonable expectation that if you own a boat, that’s the place you’d spend the 4th of July.  Of course it’s reasonable to imagine that the boat in question is floating tranquilly on sparkling summer waters, not high up on blocks in the far shed. But I did spend this holiday weekend aboard, with the bridge uncovered I could look out the doors and see the river, and the roof overhead provided some relief from the blistering sun so it wasn’t all bad. Still, how is it that when ever Frank and I find ourselves armed with power tools to cut and grind away old fiberglass the temperature tops 90? More accurately, it bordered 100 as we worked to remove areas of delaminated FRP from the cabin-top.

For those who have never experienced this task, fiberglass work involves wearing goggles, a dust mask and protective clothing of some sort to cover all bare skin, or else suffer the consequences as thousands of pollen-sized glass shards finding their way into every pore of exposed skin. Sweat or itch, that’s your options.  I know some hardier souls are less sensitive the fiberglass dust; I’ve seen them working oblivious to the irritating glitter, but I’ll admit it: I’m not that tough. Needless to say, our weekend would have been far more bearable had the temperature been less excessive.

So, what destruction are we up to this time? We’re onto the next phase of the leaking cabin top/bridge deck. Phase one was removing all the teak from above, revealing the fiberglass and its approximately 900 or so holes from where the teak had been fastened. For the most part, the majority of these holes had not penetrated that fiberglass to the core beneath, though a few, mostly ones changed by previous owners, had.  Unfortunately, a few is all it takes for water to find its way into the coring and that’s where the headaches begin.  That water will remain, saturating the core, and between compression and expansion from freezing over the winter it will eventually cause the fiberglass to de-laminate from the core, compromising the deck’s strength.  This process occurs silent and unseen until ultimately some small drip finds its way through the headliner and into the cabin, and at that point the damage is done. Worse yet, on so many boats by this point the wood coring, normally constructed of balsa or plywood, has begun to rot. All in all, not a pretty picture and certainly not a simple repair.

On a boat of Annabel Lee’s age, the odds are high that there is wet core to be found. It would be more surprising if all was dry. Fortunately, our little boat has a certain unusual, exceptionally rare feature.  ALL her coring, in fact all wood used in her construction, be it structural, joinery or cosmetic, is TEAK.  Aside from the engine and the concrete in the ballast, if it’s not fiberglass, it’s teak. Teak has many wonderful qualities, most important in this case being its resistance to rot.  And as we’ve cut away the delaminated fiberglass, the teak we’ve found is indeed wet, but as solid as the day the boat was built.

The photo below shows sections of glass we’d removed, exposing the core teak planks. We’d start by cutting a small square, just big enough to wedge a prybar in, then work out from there.  The dark are is wetter wood that’s freshly exposed. With the  day’s heat the surface was dry within minutes.

 

The fiberglass itself, despite being delaminate, put up one hell of a fight. Once the damp wood is all exposed and allowed to dry over the coming weeks, then we’ll begin the process of re-glassing it back together.

 

There’s still more to go, but this is the majority of it. Heat exhaustion was taking its toll and we quit for the weekend, with hopes that next weekend is at least a little cooler. Below: a few slabs of the cut away fiberglass.

 

From here I’ll be drilling out each of the old screw holes on the bridge deck just enough to remove some glass  in order to let them air out and dry out. Then it’ll be time to start filling them all until NO leaks remain, grind off the gelcoat and lay down a few layers of fresh glass cloth until it’s all sealed tight.  Any fasteners for deck hardware will be fully encapsulated and bedded down, and drains added to the low spots on the bridge to keep water from puddling there as it had for years. Meanwhile, due to a drip in the shed roof directly above us, we’ve thrown a tarp over the bimini until all is said and done.