Fiberglass and the cold

JOFO17

Petty Officer 2nd Class
Joined
Apr 23, 2002
Messages
158
I want to do some work in my boat over the winter. I was told by more then one person it wasn't really that good to walk on the deck when its been below freezing for a few days. I live in NJ and get a few stretches of weeks at a time with lows in the 20's or lower. Should I just wait until March ?
 
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Slip Away

Lieutenant
Joined
May 11, 2010
Messages
1,431
large_Gloucester-Mass-Snow-Boat-Jan11-09.jpg Go ahead and walk on the deck. Unless it is rotted through, it should be as solid as in the summer.
If you can shovel them off, you can sure walk on them.
 
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thumpar

Admiral
Joined
Jun 21, 2007
Messages
6,138
The only problems I ever had was with the vinyl cracking when it is cold. The fiberglass was fine with it.
 

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
27,142
Yes, the fiberglass does not seem to mind the cold. The vinyl and especially any clear vinyl seems to hate the cold. If you plan to do any fiberglass repair work, you will need a source of heat to cure the resin.
 

H20Rat

Vice Admiral
Joined
Mar 8, 2009
Messages
5,201
Keep in mind lots of [older] snowmobile hoods are made of fiberglass. Many snowmobile trailer enclosures are also fiberglass.
 

nwcove

Admiral
Joined
May 16, 2011
Messages
6,293
geez....all the commercial fishing boats here are fiberglass......they fish at 20 below and beat the crap out of the boats while working them....if you feel that you cant walk on the deck if its been a bit chilly for a few days.......park it and sell it for parts...it cant be seaworthy. jmo
 

rickryder

Commander
Joined
Jun 24, 2010
Messages
2,722
I had no problem glassing in the NJ winter when I did my resto...I did tent and tarp it and blow in heat when laying mat and resin....I did mine in February
 

rjbergen

Cadet
Joined
Nov 16, 2014
Messages
14
Yes, the fiberglass does not seem to mind the cold. The vinyl and especially any clear vinyl seems to hate the cold. If you plan to do any fiberglass repair work, you will need a source of heat to cure the resin.

The existing fiberglass will be just fine.

Freshly laid fiberglass will need to have the adjoining material and ambient temperatures within the range specified by the resin. You'll likely need a heater.
 
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