The Murphy Builders Site

This message is more directed at Ken but any input is welcome.Ken,did
you do all sealant of your floats with the sika flex?Is there only one
product by that name and where did you get it?I'm assuming it only
comes in the standard caulking tube size?I'm about ready for some
soon,thought I'd double check.
Thanks
Jason
817R

This message is more directed at Ken but any input is welcome.Ken,did
you do all sealant of your floats with the sika flex?Is there only one
product by that name and where did you get it?I'm assuming it only
comes in the standard caulking tube size?I'm about ready for some
soon,thought I'd double check.
Thanks
Jason
817R



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Jason
I did everything in gray/aluminum color sikkaflex 1A from Patene
masonry/building supply in Guelph. I used standard 300ml caulking
cartridges at around cdn$7.00 ea. I think they actually sell more of
it
in the larger "sausages". I used 15 or 18 tubes of the stuff but there
is a fair bit of waste. It has a use before date of up to a year or
so.

Other options are the marine polyurethanes but they are 3 times the
cost
and harder to find around here.

There are several other polyurethanes from other manufacturers that
I'm
pretty sure are equivalent but I stuck with the sikkaflex 1A since
it is
the only one mentioned by name on this list.

Ken

Rebecca Brownell wrote:

This message is more directed at Ken but any input is welcome.Ken,did
you do all sealant of your floats with the sika flex?Is there only
one
product by that name and where did you get it?I'm assuming it only
comes in the standard caulking tube size?I'm about ready for some
soon,thought I'd double check.
Thanks
Jason
817R

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Jason
I did everything in gray/aluminum color sikkaflex 1A from Patene
masonry/building supply in Guelph. I used standard 300ml caulking
cartridges at around cdn$7.00 ea. I think they actually sell more of
it
in the larger "sausages". I used 15 or 18 tubes of the stuff but there
is a fair bit of waste. It has a use before date of up to a year or
so.

Other options are the marine polyurethanes but they are 3 times the
cost
and harder to find around here.

There are several other polyurethanes from other manufacturers that
I'm
pretty sure are equivalent but I stuck with the sikkaflex 1A since
it is
the only one mentioned by name on this list.

Ken

Rebecca Brownell wrote:

This message is more directed at Ken but any input is welcome.Ken,did
you do all sealant of your floats with the sika flex?Is there only
one
product by that name and where did you get it?I'm assuming it only
comes in the standard caulking tube size?I'm about ready for some
soon,thought I'd double check.
Thanks
Jason
817R

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Jason
I did everything in gray/aluminum color sikkaflex 1A from Patene
masonry/building supply in Guelph. I used standard 300ml caulking
cartridges at around cdn$7.00 ea. I think they actually sell more of
it
in the larger "sausages". I used 15 or 18 tubes of the stuff but there
is a fair bit of waste. It has a use before date of up to a year or
so.

Other options are the marine polyurethanes but they are 3 times the
cost
and harder to find around here.

There are several other polyurethanes from other manufacturers that
I'm
pretty sure are equivalent but I stuck with the sikkaflex 1A since
it is
the only one mentioned by name on this list.

Ken

Rebecca Brownell wrote:

This message is more directed at Ken but any input is welcome.Ken,did
you do all sealant of your floats with the sika flex?Is there only
one
product by that name and where did you get it?I'm assuming it only
comes in the standard caulking tube size?I'm about ready for some
soon,thought I'd double check.
Thanks
Jason
817R

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Thanks Ken.
Jason
On 30-Oct-09, at 10:15 PM, Ken wrote:

Jason
I did not prime although I can see the temptation of priming the
interior side of the skins before assembly. It is not a deal breaker
but
I didn't think an extra layer of material was a good idea. I did
Scotch
brite roughen the surface and then clean with acetone same as we did
when building the airframe. If you are concerned about adhesion the
thing to use is probably the sikkaflex adhesion promoter for aluminum
that a couple of guys have mentioned. I did not use it and found the
adhesion was pretty good without it. I did try to only buy enough 1A
to
use before the 'use before date' but not sure if it really mattered
that
much.
Ken

Rebecca Brownell wrote:

Ken did you prime the aluminum under the sealant?
Jason
On 28-Oct-09, at 9:51 PM, Ken wrote:

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Jason
I did not prime although I can see the temptation of priming the
interior side of the skins before assembly. It is not a deal breaker
but
I didn't think an extra layer of material was a good idea. I did
Scotch
brite roughen the surface and then clean with acetone same as we did
when building the airframe. If you are concerned about adhesion the
thing to use is probably the sikkaflex adhesion promoter for aluminum
that a couple of guys have mentioned. I did not use it and found the
adhesion was pretty good without it. I did try to only buy enough 1A
to
use before the 'use before date' but not sure if it really mattered
that
much.
Ken

Rebecca Brownell wrote:

Ken did you prime the aluminum under the sealant?
Jason
On 28-Oct-09, at 9:51 PM, Ken wrote:

Jason
I did everything in gray/aluminum color sikkaflex 1A from Patene
masonry/building supply in Guelph. I used standard 300ml caulking
cartridges at around cdn$7.00 ea. I think they actually sell more of
it
in the larger "sausages". I used 15 or 18 tubes of the stuff but
there
is a fair bit of waste. It has a use before date of up to a year or
so.

Other options are the marine polyurethanes but they are 3 times the
cost
and harder to find around here.

There are several other polyurethanes from other manufacturers that
I'm
pretty sure are equivalent but I stuck with the sikkaflex 1A since
it is
the only one mentioned by name on this list.

Ken

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Ken did you prime the aluminum under the sealant?
Jason
On 28-Oct-09, at 9:51 PM, Ken wrote:

Jason
I did everything in gray/aluminum color sikkaflex 1A from Patene
masonry/building supply in Guelph. I used standard 300ml caulking
cartridges at around cdn$7.00 ea. I think they actually sell more of
it
in the larger "sausages". I used 15 or 18 tubes of the stuff but there
is a fair bit of waste. It has a use before date of up to a year or
so.

Other options are the marine polyurethanes but they are 3 times the
cost
and harder to find around here.

There are several other polyurethanes from other manufacturers that
I'm
pretty sure are equivalent but I stuck with the sikkaflex 1A since
it is
the only one mentioned by name on this list.

Ken