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I would go with aluminum myself, but if you want to look into composite flooring options, Check out DIY WATERWORLD on YouTube. The dude is very good with boat building & modifications to fiberglass & composites. View some of his videos and you will learn something…I guarantee! He will respond...

Yes, drill the rivets when removing them. I suggest you start with a bit smaller than the rivet diameter. If you go off center with a smaller bit, you still have metal left to save the hole. If you use a 1/4” bit to drill a 1/4” rivet, and give off center with it…you just blew the hole up.

You need high quality, round & perpendicular holes for theses cleco’s & rivets to work best. If you mess up the removing the old rivet, you will have to go to the next larger size rivet, to get a clean hole.

Total Boat has a paint that doesn’t require a primer. They have several colors, I painted my duck boat with their Khaki. Scuff sand it read good, clean it with acetone real good, and roll it on.

In the picture the wing nut is backed off all the way, allowing full extension of the pin. When the wing nut is tightened the pin expands and draws into the body. It has about 1” of travel to compress the whatever the pin has been inserted into. These are for blind applications.

a picture

Need more pictures, a view of where the bend starts and ends (inside & outside). Is it the same on the other side. If not, a picture of the other (good) side, what it should look like, would help.

I noticed the indented area. I would reshape the hull skin in that are, trying to get it back to the original shape. You want to shape and form the doubler, so it fits the area it is being attached to. Being a boat, it will have compound curves. You can use a hammer, (body hammer) or rubber...

No, I missed it. There are guidelines to work with but when a patch is laid out it could be done several ways, and there is usually no truly wrong way. Edge distance and rivet pitch have variables.

A very rough idea of what a lap patch might look like.

https://www.docdroid.com/AwvlaY3/general-aircraft-structural-repair-manual-pdf#page=120 NAVAIR 01-1A-1. The Structural repair manual…lots of good info.

A tool should be used to determine the required grip length for a blind rivet.

There are many types of pop rivets (blind rivets). There are blind rivets approved for structural repairs on aircraft. Cherry Max and Huck rivets are two that are very common...

G-flex is some strong stuff, but it isn’t very flexible compared to 5200. I started a test of different adhesives, and I need to evaluate my results and share with everyone.

You always want to “stop drill” the cracks. When there are rivets in the repair area, the standard practice is to pick up those holes in the patch. When the patch gets installed, new rivets will go in those holes. The lap patch normally consists of one patch. Like a bandaid, and it’s called a...

Your research has served you well. A proper lap patch riveted in place “wet” with 5200 will be a permanent repair. You have five separate repairs or patches that need to be fabricated & installed. If you post more pictures we can figure out what needs to happen in each situation. You might want...

It was kinda hot today but I managed to get some work done. I finished piecing together the .063” skin, on the top of my deck extension. I didn’t mess with the shelf today. I will fabricate a template to make another skin out of .080” sheet metal to give it the required strength (.063 riveted &...

I started piecing together the deck extension top skin, matching the thickness of the original front deck. I had some 5052 H32 .063” 26” x 36” pieces of sheet metal laying around that I am using. I folded a 1” flange on the end of one and stuck it in the compartment to see what I need to add to...

I added two supports, about mid way, between the front of the boat and the end of the deck extension. Each one will get riveted to the rib, wet with 3M 5200, on final assembly. Next, I need to figure out how the (gas tank) shelf will be installed, in the bigger rear compartment.