[Alberg30] "How-to" replace windows

[Bill Blevins]

Michael,

My window frames were through bolted with machine screws and on the 
inside, cap nuts. The machine screws came out pretty easily.

Prying the frames from the old (4 layers of something hard - green, 
brown, white and blue) caulk was a little bit unnerving because I 
thought I was going to pull the gelcoat and top fiberglass layer off 
the deck at one point, but I used metal paint scraper to help. I had to 
sand both sides of the cabin to rid it of the old bonding/caulking 
material. I had to fill with epoxy one 3" crack that went vertically in 
the center of one of the windows, below the glass. It looks like the 
last time the frames came out, that had pulled away and was not 
repaired. I don't think I did it as it looked old.

I bought a brass wire brush for my drill and just used that to eat the 
layers of hardened stuff off of the inside of the frames. I tried 
various solvents, but after 2 hours cleaning just one, I gave that up 
and went to the drill.

There were really thin washers on each side of the frame - sometimes 
two or three - that I had to use a sharp wood chisel to wedge 
underneath of them to get them to pop free.

The machine screws are sized 10-24. The frames I had didn't have any 
threads inside that I could tell. The screws just went through the 
holes and didn't seem to be too tight. The screws had been cut off on 
the inside too. 3/4" was too short and 1" was too long. Another reason 
why I used the same ones. Only the tips need to be cleaned since you 
are going to bed them in caulk again anyway.

Bill Blevins
SABRINA #158

--



On Tuesday, April 1, 2003, at 09:43 AM, schuylki at vanent.vanebros.com 
wrote:

>
> Thanks, Bill. Useful info. for a project I want to do soon. How much
> trouble did you have extracting the screws from the aluminum frames? 
> Did
> you feel there was much threat of cracking a frame in the removal 
> process?
>
> Michael
> #220
>
>

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