We consider a fire rated wood filler to be a worthy investment in the long run. Let’s take you step by step, type by type, and find the best fire rated wood filler for you.

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Our Top Picks:

Best Overall: Buy: Pc Products Fire Rated Wood Filler READ REVIEW

Best For Shallow Fills: Buy: Dap Fire Rated Wood Filler READ REVIEW

Best For Mahogany: Buy: Elmers Fire Rated Wood Filler READ REVIEW

Best For All Wood Household Diy Repairs: Buy: Jb Weld Fire Rated Wood Filler READ REVIEW

Best For Repairing Termite Damage: Buy: Bondo Fire Rated Wood Filler READ REVIEW

Best With Any Wood Surface: Buy: Minwax Fire Rated Wood Filler READ REVIEW

Ideal For Repairing Holes: Buy: Sharpie Fire Rated Wood Filler READ REVIEW

Best For Post Workout Recovery: Buy: Goodfilla Fire Rated Wood Filler READ REVIEW

Best For Rotten Wood: Buy: Abatron Fire Rated Wood Filler READ REVIEW

Best For Outdoor Use: Buy: Gorilla Fire Rated Wood Filler READ REVIEW

Best Overall: Pc Products Fire Rated Wood Filler

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The PC products fire rated wood filler has the most appropriate features for the price point. The PC products fire rated wood filler works very well, dries clear and it has used this stuff. Products, celebrating 75 years of “fixing your things”, with quality, reliable repair products. Further, it is non toxic and it is made with an excellent paper bead sealer.

The filler allows deep penetration into soft rotted wood fiber, restoring old wood to near structural integrity. Finally, the PC products fire rated wood filler has allowed us to develop a water base wood consolidate that is.

Almost all customers agree that the filler works well, but it's not a miracle. And, they also found that the filler does stain a bit, but it is a clear stain. Further, a few say that the PC wood putty dries it can be sanded and painted. In short, at the price, they believe that they got a steal of a deal with it.

• This will be fine and remain permanently waterproof.
• This is good for solidifying wood which has started to rot.
• This is a single component adhesive, formulated to fully penetrate and revitalize rotted wood.
• This can also be used to prepare old wood for priming and painting.

Best For Shallow Fills: Dap Fire Rated Wood Filler

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The Dap Fire Rated Wood Filler should be able to handle its purpose and duties with ease. The dap fire rated wood filler is inexpensive and it is pvc. Make sure this fits by entering your model number. This professional - grade, heavy - duty wood filler contains real wood fibers so it looks and acts like real wood.

Above all, the dap fire rated wood filler is designed for exterior applications and it dries very fast.

Almost all buyers agree that the filler is good for shallow fills. Further, they say that the filler is easy to apply, sand and paint if you choose that route. Further, a few strongly agree that the filler is great for the correct project.

• This is easy to apply and to wipe off to level it out.
• This is perfect for application and went on smoothly.
• It provides strong nail and screw anchoring without splitting.
• It dries very quick and it is brand new.

Best For Mahogany: Elmers Fire Rated Wood Filler

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Next on the list, we've got yet another filler that manages to win our hearts. It's the Elmers fire rated wood filler and it's widely considered as one of the most convenient fillers you can buy. The Elmers fire rated wood filler comes in six convenient colors. Make sure this fits by entering your model number. Further, it looks good, is brand new and it works fantastic.

The filler is great for a great price and it is inexpensive. Most importantly, the Elmers Fire Rated Wood Filler is great for ease of use, is super cheap and it is designed for easy water clean-up.

Most customers opine that the filler is good for filling in nail holes and small cracks. In addition, they strongly agree that the filler is easy to sand and makes the patch look near-perfect. And, a few also found that the purpose of this is a hole filler that can somewhat match the color of the wood you are working with for the purpose of staining or poly. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

• This will likely fall behind.
• This is great for touching up the finished trim.
• This will fill in the crack, split, whatever.
• This is simple and it makes for easy application.

Best For All Wood Household Diy Repairs: Jb Weld Fire Rated Wood Filler

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Jb Weld line of fillers comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Jb Weld Fire Rated Wood Filler can be machined, drilled, tapped, sanded, filed and painted. The Manufacturer says: Our heavy duty epoxy and adhesives repair & restore it right the first time. Further, the filler is designed for all wood household daily repairs.

The filler is simple and it looks good. Above all, the jb weld fire ratedwood filler is ideal for furniture repair, drilled a hole and it is perfect for filling holes.

Most customers opine that the filler is an epoxy, so it's waaaay harder than traditional wood putty, Keep that in mind that sanding is far more difficult. Moreover, they also found that the filler is easy to use for a non-handy person and worked great. Moreover, they also found that the filler is hand moldable to good details and adheres to most materials. Overall, most buyers agree that the filler suits best, and no one questions it.

• It is important to knead the two colors together for about a good 20 seconds.
• This does not accept or take stains well.
• This is good as the j-b steelstik.
• This can be used on food prep surfaces.

Best For Repairing Termite Damage: Bondo Fire Rated Wood Filler

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The Bondo Fire Rated Wood Filler's material feels more premium than its price would suggest. The bondo firerated wood filler can be sanded, shaped, planed, drilled, routed or sawed just like wood. Bondo wood filler lets you rebuild, restore and replace rotted or damaged sections of wood on doors, windows, fences, furniture, shutters and more. The two - part wood filler forms a permanent bond and will not shrink.

The filler is ideal for repairing doors and it dries hard. Further, it is made for high quality and it looks new. Finally, the bondo fire rated woodfiller works well and it is completely waterproof.

Almost all buyers quickly discovered that the filler is good for repairing termite damage. And, a few also found that the filler does harden stronger than the wood it replaced. Moreover, a few say that this wood filler is great for fixing holes in doors, door frames, etc. In conclusion, most customers find the filler is functionally comfort, and no one questions it.

• This has hardened then followed up with wood filler, sand and paint or stain.
• This can be easily sanded by hand or power tools.
• Use with bondo rotted wood restorer to fully repair rotted or soft wood.
• This is easy to use for a first timer.

Best With Any Wood Surface: Minwax Fire Rated Wood Filler

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The Minwax line of filler comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Minwax Fire Rated Wood Filler is specially formulated to accept minwax penetrating wood stains. Make sure this fits by entering your model number. Moreover, the filler is designed for use with oil-based and water-based wood stains.

The filler is ideal for repairing cracks, small gouges, nail holes, knot holes and other defects in all types of unfinished indoor and outdoor wood surfaces. In addition, it is great for high quality, looks new and it went on easily. Lastly, the minwax fire rated wood filler falling out, works very well and it is pre-mixed.

Most buyers found that the filler works with any wood surface, even mdf and particle board. And, a few say that the filler is worth repeating, it does not stain the same as real wood. Further, they say that the filler does what it says, sands easily, and blends about as well as any woodworker would want. Overall, buyers found this to be one of the best fillers for daily purposes.

• Look, there isn't a true "stainable" mass produced wood filler on the market.
• This is used to frame doorways have cracked, significantly.
• This is a very light wood with even staining behavior.
• This works well for pocket screws and it is great for dovetail joints.

Ideal For Repairing Holes: Sharpie Fire Rated Wood Filler

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The Sharpie Fire Rated Wood Filler is satisfactory and appropriate and fits well with your daily uses. The sharpie fire rated wood filler is a great item and it is pvc. Make sure this fits by entering your model number. In addition, the filler applies well and it is easy to paint.

Finally, the sharpie fire rated wood filler works very well and it is used for wood pieces.

Most customers found that the filler was great, it filled all types of hard to get to gaps easily and quickly. And, they say that the filler will change the drying/setting chemistry. Moreover, a few also found that the filler was used for many years.sandable and can be primed and painted with no issues.

• This works well in some situations.
• Contains real wood fibers for superior sanding, staining and painting.
• This will work to fill knot holes on fences.
• This is used to fill in some screw holes.

Best For Post Workout Recovery: Goodfilla Fire Rated Wood Filler

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The Goodfilla Fire Rated Wood Filler might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few iterations. The goodfilla firerated woodfiller is the most innovative, easy-to-use, water-based wood filler in the world. If you have any marks, holes, scratches, or divots in your hardwood floor, use goodfilla for a quick and easy fix. This innovative product appeals to woodworkers, makers, and artists since it seamlessly dovetails with all water - based products, plus lacquer.

The filler has deep scratches, is environmentally friendly and it is heavy. Most importantly, the goodfilla fire ratedwood filler will not sink, shrink, crack, or fall out.

Almost all customers quickly discovered that the filler is made from calcium carbonate and assorted binders. Moreover, they also found that the filler is great for post workout recovery. Further, they strongly agree that the most efficient way to try and color the filler since it does not have much pigment in it. Consequently, buyers were very happy to recommend it to friends and would-be buyers.

• This will probably be OK for decking.
• This is a very durable water - resistent wood filler with excellent adhesion.
• This is a polymer or remains water soluble.
• This is made for every handy-person and it is perfect for easy cleanup.

Best For Rotten Wood: Abatron Fire Rated Wood Filler

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Next on the list, we've got yet another filler that manages to win our hearts. It's the Abatron Fire Rated Wood Filler and it's widely considered as one of the most convenient fillers you can buy. The abatron fire rated wood filler has smooth the last bit, works very well and it has been molded by hand. Make sure this fits by entering your model number. And, it is shrink free and it dries very hard.

The filler comes out for easy application and it is brand new. And, it is pleasant to use, takes paint and it is inexpensive. Above all, the abatron fire rated wood filler is best for good result and it is sanded smooth.

Most buyers found that the fillers are the same, but they dried nice and hard. Further, they say that the filler works well for filling holes, but much firmer so hard to use to match a profile. Also, they say that the filler is good as new, no one would ever know they were repaired.

• This is easy to apply and hardened within a day.
• This is fantastic for filling in rotten wood trim on older homes.
• This is so much better than buying a new door.
• Bonds permanently to wood and other surfaces.

Best For Outdoor Use: Gorilla Fire Rated Wood Filler

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If you are searching for a popular filler for your regular use, you cannot go wrong with the Gorilla Fire Rated Wood Filler. The gorilla fire rated wood filler is easy to spreadhigh performance stainability and paintabilityshrink and crack resistantanchors nails and screws sandable. Press the filler firmly in place. The go - to product for strong, durable repairs to cracks, gouges and holes.

Above all, the gorilla fire rated wood filler is easy to spread allowing for a smooth, natural finish.

"You can either snip the end with scissors for a larger application or puncture with something for a smaller application. " - says, one customer. In conclusion, for most customers, the filler was most suitable.

• Before filling, test stain on scrap wood with filler.
• Squeeze tube and apply to the area with a putty knife.
• You can’t use soap and water to clean hands and tools before material dries.
• Remove all excess residue with a damp cloth before the filler dries.