Jump to content

Fire block foam


Recommended Posts

Anyone have pictures of how to install the fire block foam and make it look like a clean install?

 I am all about safety but also do not like the interior of our Miata (especially the rear package tray area which is very visible) to look horrible...

Thanks ,

Mike W 

#172 OverUnder Miata 

Link to comment
Share on other sites

Just now, mdwracer said:

Anyone have pictures of how to install the fire block foam and make it look like a clean install?

 I am all about safety but also do not like the interior of our Miata (especially the rear package tray area which is very visible) to look horrible...

Thanks ,

Mike W 

#172 OverUnder Miata 

No pictures, but once that stuff is cured and has expanded way beyond where you want it, you can carve away the excess with a sharp knife. After that, it takes spray paint fairly well.

Link to comment
Share on other sites

4 hours ago, mdwracer said:

I will pick a few areas to try and see how it goes... Am I correct in that the alumium foil tape is no longer accetable?

 

I would argue that the foil was never acceptable but it got you through tech in previous years.  I can confirm that is no longer the case.

Link to comment
Share on other sites

4 hours ago, mdwracer said:

I will pick a few areas to try and see how it goes... Am I correct in that the alumium foil tape is no longer accetable?

 

You are correct. What they would like to see now is metal covering every opening / gap in the factory package tray. Ours is completely covered with aluminum, then we used fire foam to fill the very small  openings where the roll cage back stays go through it, as well as any other place we felt would be beneficial. Like enginerd said, it expands WAY beyond where you want it so in no way does our car have giant openings being filled like it looks. We ran a bead along all the seams where it meets the back stays and the chassis. We raced it like this at Daytona and none of us even noticed the orange while driving. If you want more pictures I can get some tomorrow with the roof off it it'll help you.

20190810_221136.jpg

  • Like 2
Link to comment
Share on other sites

  • 2 weeks later...
On 8/10/2019 at 10:17 PM, T-PAP said:

You are correct. What they would like to see now is metal covering every opening / gap in the factory package tray. Ours is completely covered with aluminum, then we used fire foam to fill the very small  openings where the roll cage back stays go through it, as well as any other place we felt would be beneficial. Like enginerd said, it expands WAY beyond where you want it so in no way does our car have giant openings being filled like it looks. We ran a bead along all the seams where it meets the back stays and the chassis. We raced it like this at Daytona and none of us even noticed the orange while driving. If you want more pictures I can get some tomorrow with the roof off it it'll help you.

 

Also keep in mind that there is fire block sealant available that will seal small gaps and not expand through the panel to the other side.  Might be a more suitable product for sealing bulkheads and places where panels are touching, and save the expanding foam for gaps you can't get to reasonably but still want to keep buttoned up.  https://www.amazon.com/3M-CP-25WB-10-1-Barrier-Sealant/dp/B00176M30Q  Amazon even sells it in a 5 gal bucket for some reason.

  • Like 1
Link to comment
Share on other sites

8 hours ago, bbaker480 said:

 

Also keep in mind that there is fire block sealant available that will seal small gaps and not expand through the panel to the other side.  Might be a more suitable product for sealing bulkheads and places where panels are touching, and save the expanding foam for gaps you can't get to reasonably but still want to keep buttoned up.  https://www.amazon.com/3M-CP-25WB-10-1-Barrier-Sealant/dp/B00176M30Q  Amazon even sells it in a 5 gal bucket for some reason.

 

Some of that is "drying" type that looks like mortar when dried. I used that by accident once. Flaked off.

 

The flexible version i have heard stays pliable.

  • Thanks 1
Link to comment
Share on other sites

11 hours ago, Black Magic said:

 

Some of that is "drying" type that looks like mortar when dried. I used that by accident once. Flaked off.

 

The flexible version i have heard stays pliable.

Good to know, I have a tube but haven't opened it yet, I'll have to test before I rely on it to seal anything up.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

 Share

×
×
  • Create New...