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Dan
 
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Default Proper sealant use

What is the proper way to bed deck hardware using sealant?
Do you want to have a thickness of sealant? How thick?
Will the sealant fill gaps?
The pulpit flanges are at a slight angle to the deck. With the flange
sitting on the deck, there is a gap of 3/32" at one end. Will the
sealant fill this gap and provide support, or should I build an epoxy
wedge for support, and set the flange with a thin layer of sealant?

Thanks everyone,
Dan

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Jim Conlin
 
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Default Proper sealant use

You have it right. For a heavily loaded item like a pulpit, an epoxy wedge
followed by a softer sealant is right. If the deck is cored, you should look
at ways of firming up and sealing the bolt holes.

Dan wrote:

What is the proper way to bed deck hardware using sealant?
Do you want to have a thickness of sealant? How thick?
Will the sealant fill gaps?
The pulpit flanges are at a slight angle to the deck. With the flange
sitting on the deck, there is a gap of 3/32" at one end. Will the
sealant fill this gap and provide support, or should I build an epoxy
wedge for support, and set the flange with a thin layer of sealant?

Thanks everyone,
Dan


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Evan Gatehouse
 
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Default Proper sealant use


"Dan" wrote in message
...
What is the proper way to bed deck hardware using sealant?
Do you want to have a thickness of sealant?


Yes

How thick?


about 1/16" or more

Will the sealant fill gaps?


Yes

The pulpit flanges are at a slight angle to the deck. With the flange
sitting on the deck, there is a gap of 3/32" at one end. Will the
sealant fill this gap and provide support, or should I build an epoxy
wedge for support, and set the flange with a thin layer of sealant?


With a pulpit I *might* build an epoxy wedge - but that gap is pretty small.
Probably I would just bolt it up, let the sealant cure to form a gasket and
then tighten the nuts.

Two more tips:

- use a countersink bit to bore out the bolt hole on deck. This forms a
nice O-ring type seal around the bolt
- tighten only the nuts, and don't turn the bolts because that tends to
strip the sealant from the bolt threads


--
Evan Gatehouse

you'll have to rewrite my email address to get to me
ceilydh AT 3web dot net
(fools the spammers)


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Dan
 
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Default Proper sealant use

Does Polysulfide sealant provide support for the item being bolted to
the deck, or does the polysulfide compress infinitly like silicone?
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