Wooden Firewall Protection
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Topic author - Posts: 813
- Joined: Sun Jan 06, 2019 3:59 pm
- First Name: William
- Last Name: Vanderburg
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- Location: Jackson, NJ
- MTFCA Number: 28382
Wooden Firewall Protection
What kind of sealant would anyone recommend to put on a wooden firewall before painting it?
William L Vanderburg
1925 Touring
1922 Center Door Sedan
1925 Touring
1922 Center Door Sedan
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- First Name: Tim
- Last Name: Juhl
- * REQUIRED* Type and Year of Model Ts owned: 1917 Touring
- Location: Thumb of Michigan
- MTFCA Number: 50297
- MTFCI Number: 24810
- Board Member Since: 2018
Re: Wooden Firewall Protection
I used a sprayed on layer of gloss polyurethane spar varnish. I lightly sanded it and then sprayed with black enamel. It came out looking real nice.
1917 Touring
1946 Aeronca Champ
1952 Willys M38a1 Jeep (sold 2023)
1953 Ford Jubilee Tractor
1946 Aeronca Champ
1952 Willys M38a1 Jeep (sold 2023)
1953 Ford Jubilee Tractor
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- First Name: Don
- Last Name: Demio
- * REQUIRED* Type and Year of Model Ts owned: 1919 T
- Location: Tennessee
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Re: Wooden Firewall Protection
This is what I do.
One coat of black primer
after it dries a coat of flat black
apply light coat of black RTV inside of each coil box terminal hole and choke rod holes to prevent moisture from separating plywood layers
let it dry and install
best of luck,
Dom
One coat of black primer
after it dries a coat of flat black
apply light coat of black RTV inside of each coil box terminal hole and choke rod holes to prevent moisture from separating plywood layers
let it dry and install
best of luck,
Dom
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- First Name: Dave
- Last Name: Hjortnaes
- * REQUIRED* Type and Year of Model Ts owned: 24 Speedster, 20 touring
- Location: Men Falls, WI
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Re: Wooden Firewall Protection
Sand and wipe with alcohol. Then 1-2 coats of sanding sealer (sand between coats). Then follow Dom's directions.
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- Location: Gawler, Australia
Re: Wooden Firewall Protection
To preserve the appearance of the grain in the timber, I do not use fillers. The bare timber is coated with a full coat of Penetrol which is a sealer/paint thinner/brushing extender. This soaks right into the grain without hiding it. Then I use a 'wash' of 50% black gloss enamel, 50% mineral turpentine and give it one coat only. It is thin enough to soak right in too, again without filling the grain. this dries to a matt finish just like that on original timberwork.
Allan from down under.
Allan from down under.
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- First Name: James
- Last Name: Patrick
- * REQUIRED* Type and Year of Model Ts owned: 1926 Coupe
- Location: Bartow, FL
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- Board Member Since: 2001
Re: Wooden Firewall Protection
If there is grease or oil on the firewall, I would thoroughly clean it with lacquer thinner until all oil residue is off. After that, I would prime the wood with one coat of Sherwin Williams Oil Based Wood Primer. After it dries (about 4 to 5 days) I would apply a finish coat with 2 coats of Sherwin Williams All Purpose Gloss Black Enamel. Both Primer and finish can be nicely brushed on with a good 2” sash brush. I have posted pictures of the products. In the photo showing the can of black enamel, you can see the spokes I brush painted and how well it looks. Gloss is much easier to keep clean of oil, dirt and grease, than flat or satin finishes. Jim Patrick
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- First Name: Jerry
- Last Name: Van
- Location: S.E. Michigan
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Re: Wooden Firewall Protection
Since the skeleton of my speedster body is plywood, I thoroughly soaked it all with Thompson's Water Seal prior to painting. The paint has held well and the wood looks as good as new yet, despite MANY drives through torrential downpours and the occasional stream.
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- First Name: James
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Re: Wooden Firewall Protection
In 1985, when I needed to waterproof the bare wood siding on my house I was building, until I was ready to paint it, I was advised by a Sherwin Williams technician not to use Thompson’s Water Seal for this because, due to its’ silicone base, Thompson’s Water Seal cannot be painted over. I was instead, advised to use “Olympic Water seal” because it is oil based and can be painted over. Before posting this, I went to the Thompson’s Water Seal website and what the Sherwin Williams technician advised 35 years ago was confirmed as still being true. Thompson’s advises not to paint over their water seal because it will not hold. Jim Patrick
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Re: Wooden Firewall Protection
Interesting Jim. Maybe my memory is off as to the brand I used. I wouldn't be shocked if that were so. Since my paint has held on really well, I must have not used Thompson's, but some other brand. Thanks!jiminbartow wrote: ↑Sat Nov 21, 2020 9:30 pmIn 1985, when I needed to waterproof the bare wood siding on my house I was building, until I was ready to paint it, I was advised by a Sherwin Williams technician not to use Thompson’s Water Seal for this because, due to its’ silicone base, Thompson’s Water Seal cannot be painted over. I was instead, advised to use “Olympic Water seal” because it is oil based and can be painted over. Before posting this, I went to the Thompson’s Water Seal website and what the Sherwin Williams technician advised 35 years ago was confirmed as still being true. Thompson’s advises not to paint over their water seal because it will not hold. Jim Patrick
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- First Name: Jason
- Last Name: Kuczynski
- * REQUIRED* Type and Year of Model Ts owned: 1915ish speedster in parts, building a T V8 roadster pickup for support vehicle
- Location: Detroit, MI
- Board Member Since: 2003
Re: Wooden Firewall Protection
Jerry- the yellow car? Or do you have another one?
My other car is an Amish Drag Buggy.
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- First Name: Jerry
- Last Name: Van
- Location: S.E. Michigan
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Re: Wooden Firewall Protection
Jason,
Yes! The yellow one. I suppose you see it more than I do these days!
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Re: Wooden Firewall Protection
I use high gloss boat varnish for the wood.
Andre
Belgium
Andre
Belgium
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- First Name: john
- Last Name: iversen
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- Location: Blue Lake (Rdwd Cr.) CA
- MTFCA Number: 16548
Re: Wooden Firewall Protection
40 years of boat building with wood--epoxy techniques has taught me the necessity to thoroughly edge seal laminated wood materials. All other methods pale compared to epoxy encapsulation. Plasticized wood simply cannot absorb water. I have, on hand, gallons of System Three laminating epoxy. Chosen over the West system due to ease of mixing--two to one--resin, hardener, with equal results. Thankful for the sought after door-strap clamp you're sending me, It would please me to send you proportioned elements sufficient to thoroughly stabilize the open grain edges of your firewall. Sand off the resulting raised grain and epoxy smooth shine and the wood is prime for painting. In the case of my '16 firewall, the clear finish reveals no sign of the guardian epoxy beneath. With fast hardener (all I use and have on hand), after warming the firewall edges, with a heat gun, to enhance absorption, you would have about 20 minutes, at around 70 degrees, to liberally slop epoxy until the open grained plies refused it.
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- Posts: 2210
- Joined: Sun Jan 06, 2019 10:55 pm
- First Name: James
- Last Name: Patrick
- * REQUIRED* Type and Year of Model Ts owned: 1926 Coupe
- Location: Bartow, FL
- MTFCA Number: 50126
- Board Member Since: 2001
Re: Wooden Firewall Protection
With the type of T’s in his profile pictures, I was under the assumption he was after a black finish on his firewalls. Jim Patrick.
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Topic author - Posts: 813
- Joined: Sun Jan 06, 2019 3:59 pm
- First Name: William
- Last Name: Vanderburg
- * REQUIRED* Type and Year of Model Ts owned: 2
- Location: Jackson, NJ
- MTFCA Number: 28382
Re: Wooden Firewall Protection
You assumed correctlyjiminbartow wrote: ↑Thu Dec 03, 2020 12:13 amWith the type of T’s in his profile pictures, I was under the assumption he was after a black finish on his firewalls. Jim Patrick.
William L Vanderburg
1925 Touring
1922 Center Door Sedan
1925 Touring
1922 Center Door Sedan
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- Posts: 149
- Joined: Wed Jan 09, 2019 11:15 am
- First Name: Jason
- Last Name: Kuczynski
- * REQUIRED* Type and Year of Model Ts owned: 1915ish speedster in parts, building a T V8 roadster pickup for support vehicle
- Location: Detroit, MI
- Board Member Since: 2003
Re: Wooden Firewall Protection
LOL that's probably true! I'll be spending all of next weekend with it.Jerry VanOoteghem wrote: ↑Wed Dec 02, 2020 6:16 pmJason,
Yes! The yellow one. I suppose you see it more than I do these days!
My other car is an Amish Drag Buggy.
Barnstormers VSC
Si vestri 'non prius novissimo
Celeritate Est Vita
Antique Vehicle Mechanic- Greenfield Village
Barnstormers VSC
Si vestri 'non prius novissimo
Celeritate Est Vita
Antique Vehicle Mechanic- Greenfield Village
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- Posts: 2998
- Joined: Sun Jan 06, 2019 4:06 pm
- First Name: Jerry
- Last Name: Van
- Location: S.E. Michigan
- MTFCA Number: 24868
Re: Wooden Firewall Protection
Tell it Jerry says "hello" please.Atomic Amish wrote: ↑Thu Dec 03, 2020 10:33 amLOL that's probably true! I'll be spending all of next weekend with it.Jerry VanOoteghem wrote: ↑Wed Dec 02, 2020 6:16 pmJason,
Yes! The yellow one. I suppose you see it more than I do these days!
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- Posts: 149
- Joined: Wed Jan 09, 2019 11:15 am
- First Name: Jason
- Last Name: Kuczynski
- * REQUIRED* Type and Year of Model Ts owned: 1915ish speedster in parts, building a T V8 roadster pickup for support vehicle
- Location: Detroit, MI
- Board Member Since: 2003
Re: Wooden Firewall Protection
Jerry VanOoteghem wrote: ↑Thu Dec 03, 2020 2:40 pmTell it Jerry says "hello" please.Atomic Amish wrote: ↑Thu Dec 03, 2020 10:33 amLOL that's probably true! I'll be spending all of next weekend with it.Jerry VanOoteghem wrote: ↑Wed Dec 02, 2020 6:16 pm
Jason,
Yes! The yellow one. I suppose you see it more than I do these days!
Someone says "Hi, Jerry!"
My other car is an Amish Drag Buggy.
Barnstormers VSC
Si vestri 'non prius novissimo
Celeritate Est Vita
Antique Vehicle Mechanic- Greenfield Village
Barnstormers VSC
Si vestri 'non prius novissimo
Celeritate Est Vita
Antique Vehicle Mechanic- Greenfield Village
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- Posts: 2998
- Joined: Sun Jan 06, 2019 4:06 pm
- First Name: Jerry
- Last Name: Van
- Location: S.E. Michigan
- MTFCA Number: 24868
Re: Wooden Firewall Protection
It's looking happy! Thanks!