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jgraham37128
07-09-2012, 09:29 AM
What works? I've tried clear silicone, and it didn't work for one day. i tried liquid nail and it worked for about a week. Now 90 perfect of the mat isn't glued down anymore what's the best option?


Thanks,

ttu
07-09-2012, 09:32 AM
i have a teak platform on my mc but when i used to have my moomba i replaced the padding and used 3m adhesive spray and it worked great.

CruisinGA
07-09-2012, 09:55 AM
DAP Gel Contact Cement.

It's what most jet-skiers use to adhere the hydro-turf on their skis. It works very well, every home improvement store has it and it is cheap.

http://i21.geccdn.net/site/images/n-picgroup/MEU_17542.jpg

Thrall
07-09-2012, 11:57 AM
DAP Gel Contact Cement.

It's what most jet-skiers use to adhere the hydro-turf on their skis. It works very well, every home improvement store has it and it is cheap.

http://i21.geccdn.net/site/images/n-picgroup/MEU_17542.jpg

I've used contact cement and a couple types of 3M high strength spray adhesive (contact cement essentially) and none of those products seems to keep the mat stuck down for more than maybe 10 outings.
It all sticks to the gel fine, but not to the mat.

OE adhesive obviously didn't work well either. Seems like a maint item unless there's something that has some "tooth" on the rubber.

jgraham37128
07-09-2012, 12:34 PM
Wow, I'm really hoping someone has a solution. I don't want to keep gluing this thing down ever so often.

Heelgrad
07-09-2012, 12:40 PM
wonder what sea dek uses/recommends for the products they ship out? you might want to call them and see what they have to say.

millpondkid
07-09-2012, 01:46 PM
What if you hit the back side of the grip tape with some fine grit sandpaper? Maybe give it something to grab to.

Heelgrad
07-09-2012, 02:34 PM
checked on the seadek process and they use pressure sensitive adhesive (PSA) backing on their products which is what i assumed prior to checking for sure. not sure if you can replicate that adhesive or where to get a hold of it but that's probably the best remedy so you don't have to deal with it coming off again.

BrooksfamX2
07-09-2012, 02:57 PM
3M 4200 or 5200 marine adhesive/sealant may do the job........may never be able to get it off though.

jgraham37128
07-09-2012, 04:36 PM
So I went out and finished removing the rest of the mat by sliding a large putty knife under the mat. Only about 5 % was still glued so I'm very happy I didn't lose my mat over the weekend. I've scrapped the silicone and liquid nail off the platform to get a nice smooth contact place for when I re glue the mat.

Here's what I noticed when I flipped the mat up to slide the putty knife in between it and the platform the bottom of the mat felt like it was 500 degrees, and I think the heat is what's making it come loose not the water. I've notice both times it's the afternoon when I notice it coming loose.

Does anyone know what Mastercraft uses to glue them down and can it be bought?

Thanks,

JG

Thrall
07-09-2012, 04:59 PM
Whatever MC uses sucks too. Mine didn't last 50hrs, BUT, the heat may have something to do with it. My boat is all black and the boat/platform sat out in the sun in the desert for a few summers. Transom and deck were oxidized at 3 years old!
Come to think of it, it has only cut loose when it's been really hot. I have a teak deck now, so don't really use the 'glass one.
Great idea on sanding the back of the pad down. That should help considerably.
Another problem I think is it's difficult to get the glue 100% around the perimeter of the pad without getting it on the exposed part of the deck. I think water intrusion is what starts the lift-off, so maybe mask off carefully around the outside of the pad then you can be liberal with the cement at the edges and form a good seal.

tr6coug
07-09-2012, 06:38 PM
Mine came of two summers ago. I stripped the old glue off of the platform and sanded it with 80 grit sand paper. Then cleaned it with acetone. I used clear waterproof silicone caulking and glued the mat back onto the swim platform.

This spring, I replaced the black rubber mat with a sea-dek mat. It must have taken 2 hours to get the old mat off. It was stuck so well that we had to slice it into strips and peel them off individually. I don't think that mat would have ever come off on its own.

Thrall
07-09-2012, 08:56 PM
Interesting. Did you sand the rubber too or just the gel?
Glue on mine has always stuck fine to the gel, but not the rubber.
I'll have to try caulking the next time.

jgraham37128
07-10-2012, 08:26 AM
It looks like MC uses something in a caulk gun because I can see the pattern of going back and forth on the mat. I'm in the process of scrapping it off the mat right now and will try the DAP contact cement unless I get a better idea?

thanks,

JG

jgraham37128
07-12-2012, 08:57 PM
Ok, I just walked in from gluing my mat back down. I cleaned up both the platform and the back of the mat. I applied the DAP Contact Gel Cement on both the platform and mat then fastened down with blue 3m tape. I'll let it sit for a few days and peel off the blue tape. I noticed immediately the side were wanting to roll up.

I'm hoping this will be the last time I have to do this.

jgraham37128
07-22-2012, 05:55 PM
Ok, first weekend back out and mat did perfect. I'll check back in a few weeks to confirm this worked but so far so good.

hbomb
07-22-2012, 08:11 PM
there are numerous contact adhesives on the market but the heat will play a major factor in the mat lifting......
It has been touched on in an earlier post.....
clear silicone (turpentine clean up) is the best for the job...... ensure it is a multipurpose silicone for adhesion to all surfaces.......clean the back of the rubber deck with some grit paper to roughen up and similar to the fibreglass deck then wipe down with turps or acetone......apply silicone in a criss/cross pattern, instal and weight the top until it dries.....

JimN
07-22-2012, 08:32 PM
3M 5100 is a really strong adhesive, but it's removable if you need to. 5200 is permanent, as long as the surfaces are prepped correctly and not the type that repel adhesives.

jgraham37128
07-24-2012, 09:45 PM
there are numerous contact adhesives on the market but the heat will play a major factor in the mat lifting......
It has been touched on in an earlier post.....
clear silicone (turpentine clean up) is the best for the job...... ensure it is a multipurpose silicone for adhesion to all surfaces.......clean the back of the rubber deck with some grit paper to roughen up and similar to the fibreglass deck then wipe down with turps or acetone......apply silicone in a criss/cross pattern, instal and weight the top until it dries.....

I tried clear silicone when it first started and it seemed to do nothing. Now I didn't clean it up like I did this last time but everywhere I placed the clear silicone it came right up once in the water.

jfw432
07-29-2012, 04:47 PM
I don't mean to offend but if the DAP weldwood contact cement didn't work then you did it wrong. If you do it right, you could turn the deck upside down and drag it in the water at 50 mph and it won't go anywhere. PSA sucks compared to properly setup contact cement.

Here is the correct process:
Brush it on both surfaces then walk away and have a beer or something. Come back in about 15-30 minutes and brush another coat on both surfaces. Go have another beer. Now after you've let the second coat cure for 15-30 minutes, stick the two pieces together. My swim deck has had hydroturf mat on it for 1.5 years and it hasn't so much as lifted at an edge. I also put it on my engine cover which currently doesn't have the shield inside so the heat won't make this stuff fail either. Do it right once and you'll never have to do it again....you also won't get it off without sanding it off.

Footin
07-29-2012, 08:26 PM
Tha matt on my 205 started to come off last week, I will probaby try to remove it in one piece and use 3M spray adhesive.

Kevin@MWMC
07-30-2012, 12:29 AM
3M 4200 or 5200 marine adhesive/sealant may do the job........may never be able to get it off though.

3M 5200 will keep the mat on the platform for sure. Used it on mine, been sticking strong for 2-3 years!


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atlfootr
08-03-2012, 09:05 PM
when i used to have my moomba, i replaced the padding and used 3m adhesive spray and it worked great.

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jgraham37128
08-15-2012, 12:20 PM
Well so far about a month later and no problems. It's still 100% perfect!

jfw432
08-15-2012, 10:30 PM
If anything ever starts to peal up, reapply DAP weldwood on both surfaces and let it dry before sticking it together. That's how it's meant to be applied per the instructions on the can.....