[C320-list] 2 coats of VC17.

[Jerry Brown]

Hi Marek.

I had the Interprotect applied by the dealer when the boat was delivered by 
Catalina.  There is minimal "orange peel" and the hull appears to be in 
great shape.  I just pressure wash off at haul out and recoat with VC 17 
each spring.

I have applied Interprotect to a previous much older boat when I stripped 
off the ablative coating as part of a refurbishment, and yes it is a PITA. 
Stripping the old powder coat back to the fiberglass is much worse though. 
Having said that when I applied Interprotect with care in exactly the 
conditions described by Interlux I also achieved little "orange peel".  I 
have seen some pretty bad applications when owners tried shortcuts or 
conditions changed before full drying.

Have a great season

Jerry
Indigo #1137

-----Original Message----- 
From: Marek Fluder
Sent: Monday, April 27, 2015 11:16 PM
To: C320-List at Catalina320.com
Subject: Re: [C320-list] 2 coats of VC17.

Jerry,
Thank you for taking time to respond.
It turns out 10min overcoat time specified by Interlux is misleading.
I tried again today (2 days since first coat) and found it was much better
- the first coat would still show signs of penetration, but only after 5-6
strokes of the roller, as opposed to 2 on the same day. I average 3 strokes
to apply the paint, so it was doable today.
How did your Interprotect turn out - did you get much "orange peel" texture?
I like the idea, but multiple coats (including under the pads) and  mixing
appropriate amount for each layer is a major PITA. This and "orange peel"
made me to pass on this option. At least for now...
Thanks again.
Marek
#1028






On Mon, Apr 27, 2015 at 11:41 AM, Jerry Brown <jbrown01015 at outlook.com>
wrote:

> Marek
>
> I barrier coated from new.  it may have been overkill but it made me feel
> better.  I then applied 3 coats of VC17. I found that it paid to wait
> overnight between coats despite the quick dry nature of VC 17.  I suspect
> VC17 stays a bit soft when first applied but that assumption has no
> scientific basis.  The other possible point is the type of roller 
> material.
> I now put on a new coat of VC17 each season and a double coat where the
> barrier coat can be seen, such as the leading edge of the wing keel. 
> These
> days I use a foam roller which is not impacted by the VC 17 solvent (I am
> not sure what the foam actually is).  A local chandler sells the foam
> roller specifically for applying VC 17.  The foam seems to have less of a
> "stripping" effect than other roller materials but it has to be 
> replenished
> frequently as it holds little VC 17 compared to a regular foam roller.
> With the VC17 specific roller I can get two coats on effectively with 
> about
> a 2 hour gap between coats.
>
> Jerry Brown
> Indigo #1137
>
> -----Original Message----- From: Marek Fluder
> Sent: Monday, April 27, 2015 11:24 AM
> To: C320-List at Catalina320.com
> Subject: Re: [C320-list] 2 coats of VC17.
>
> Thanks Scott.
> I am not sure if you are familiar with VC17 but it dries very quickly and
> has overcoat time of 10 mins.
> I decided not to do a barrier coat as it is a bit of PITA and not 
> required.
> Marek#1028
>
>
> On Mon, Apr 27, 2015 at 10:32 AM, Scott Westwood <
> scottwestwood at bellsouth.net> wrote:
>
>  You will likely get several versions but for me:
>> I put a barrier coat(s) on first.  Then I put a different color ablative
>> on next.  (If I want final blue bottom I put red on as first coat.) 
>> While
>> tacky (Not fresh but not days hard either) I put on the final color of
>> ablative.
>> It's been a while but most cans (read can's instructions) will say
>> something like wait 2-4 hours or so or maximum X hours between coats
>> etc....  I think it's like 4-8 hours?  Probably depends on humidity
>> etc....
>> The reason for the red coat first is to give you a warning when you are
>> getting to the bottom layer.  If all the colors were the same you won't
>> know you need bottom paint until you see gelcoat.  If you see red then 
>> you
>> know you are on the last layer and it's definitely time to pull her and
>> recoat.
>> 2 cents
>>  Scott Westwood scottwestwood at bellsouth.net
>> H (919)-362-8538C (919)-618-7185
>>       From: Marek Fluder <marekf at gmail.com>
>>  To: "C320-List at Catalina320.com" <C320-list at catalina320.com>
>>  Sent: Monday, April 27, 2015 10:20 AM
>>  Subject: [C320-list] 2 coats of VC17.
>>
>> The specs are calling for at least 2 coats when stripped to bare
>> fiberglass.
>> First one came out nicely rolled on with 4" foam roller.
>> When I started the second coat I've noticed the first one gets dissolved
>> and white fiberglass is showing.
>> This brought the memories when I've done the same on my previous C&C24 -
>> back then I managed to do the second coat, but it was a struggle.
>> I am thinking of leaving only 1 coat on as it looks good.
>>
>> Has anyone put on 2 consecutive coats and what was the experience?
>>
>> Marek
>> #1028
>>
>>
>>
>>
>>
>