Cast Iron Floor Registers

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The Best Cast Iron Floor Grates

Instantly give your home a touch of the antique with quality cast iron floor registers. The intricate design of the cast iron immediately brings to mind visions of yesteryear and virtually screams historic home restoration.

Why Should You Make the Switch?

Cast iron registers are the perfect fit for homeowners of historic homes looking for that extra icing on the cake. They are versatile, and you can choose styles that will fit any historic home type from Colonial to Classical to Victorian. Once you install them, you’ll wonder why you didn’t do it years ago!

Bestseller No. 1
Accord AMFRPWM410 Floor Register with Marquis Design, 4-Inch x 10-Inch(Duct Opening Measurements), Cast Iron Pewter
  • Cast iron face with powder coated finish for durability and reliability
  • Premium cast iron with pewter finish in a classic marquis design
  • All metal damper box with switch for airflow adjustments and frustration free operation
  • Easy to Install - Simply remove the old register and place your new register in the duct opening
  • For floor application - Listed product sizes refer to floor duct opening measurements, not the register itself
Bestseller No. 2
Signature Hardware 919326-4X10 Old Victorian Cast Iron Floor Register - 4" x 10"
  • Constructed from cast iron
  • Adjustable louvers included for airflow control
  • To determine size needed, measure air duct opening rather than old register or grille
  • Duct Size: 4" x 10"
  • QUALITY GUARANTEE: Our products are built to last. We proudly stand behind this product with a lifetime warranty and expert customer support.
SaleBestseller No. 3
Minuteman International Cast Iron Floor Grate Grille, Black
  • Openwork decorative Grilles provide secure covering for heating vent penings
  • Made of cast iron with a Matte Black finish
  • Measures 12-in x 14-in, with mounting holes in each corner of the outer flange
  • For new construction or older home retro-fitting, requires 10-in x12-in opening( see diagram )
  • Also available as a Register, with lovered assembly to open and close the vent
SaleBestseller No. 4
Decor Grates AC410-BLK Victorian Floor Register, 4 x 10, Cast Iron Black
  • Victorian Scroll Design Cast Iron Black floor register
  • The edges have been squared off, so it can be installed as a drop in register or a flush mount register. If used as a drop in register, it’s easy to install and no tools required. If used as a flush mount register, you need to cut your flooring, so that the opening in your flooring material is the same size as the register face plate. Depending on the thickness of your flooring, you may need to add shims underneath the register to make it flush with the flooring material.
  • Metal damper boxes rust and seize up, so we make our damper boxes with high impact plastic. This is not a cheaper option, it’s the best option
  • Solid Cast Iron face plate - won't chip or fade
  • Filter retainer and filter are sold separately
Bestseller No. 5
Signature Hardware 929151-4x10 Antique Cast Iron Floor Register - 4" x 10"
  • Constructed from cast iron
  • Adjustable louvers included for airflow control
  • To determine size needed, measure air duct opening rather than old register or grille
  • Duct Size: 4" x 10"
  • QUALITY GUARANTEE: Our products are built to last. We proudly stand behind this product with a lifetime warranty and expert customer support.
Bestseller No. 6
Signature Hardware 929151-6-12 Antique Cast Iron Floor Register - 6" x 12"
  • Constructed from cast iron
  • Adjustable louvers included for airflow control
  • To determine size needed, measure air duct opening rather than old register or grille
  • Duct Size: 6" x 12"
  • QUALITY GUARANTEE: Our products are built to last. We proudly stand behind this product with a lifetime warranty and expert customer support.
Bestseller No. 7
Magnus Home Products Checkered Cast Iron Floor Register, 2 1/4" x 12"
  • Cast Iron Construction with Matte Black Powder Coat Finish (Rough Texture)
  • Included Louvers Made of Stamped Steel
  • Louvers Removable
  • Measure Floor Opening to Choose Size
  • 8mm Thick Cast Iron
Bestseller No. 8
Magnus Home Products Decorative Cast Iron Floor Register, 2 1/4" x 10"
  • Cast Iron Construction with Matte Black Powder Coat Finish (Rough Texture)
  • Included Louvers Made of Stamped Steel
  • Louvers Removable
  • Measure Floor Opening to Choose Size
  • 8mm Thick Cast Iron
Bestseller No. 9
Magnus Home Products Geometric Cast Iron Floor Register, 4" x 10"
  • Cast Iron Construction with Matte Black Powder Coat Finish (Rough Texture)
  • Included Louvers Made of Stamped Steel
  • Louvers Removable
  • Measure Floor Opening to Choose Size
  • 8mm Thick Cast Iron
Bestseller No. 10
Decor Grates ST410 Decor Floor Register, 4x10, Textured Black
  • Scroll Design steel painted - Powder coated textured black Finish floor register
  • Easy to install - Just drop into vent - no tools required
  • Metal damper boxes rust and seize up, so we make our damper boxes with high impact plastic. This is not a cheaper option, it’s the best option
  • Crafted for long trouble free operation
  • Filter retainer and filter are sold separately
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Durability

It is often the case in home improvement projects that you have to sacrifice durability to get the perfect aesthetic. Not so with cast iron floor grates!
The heavy-duty cast iron construction can literally take anything you can throw at it. Go ahead and walk on your new cast iron vent cover. You won’t even see a hint of warping or bending as is common among floor registers made from cheaper metals.

Affordability

Don’t let that last sentence scare you. It’s true that cast iron floor grates are more expensive than cheaply-made vent covers. However, you get incredible value.
All in all, it’s actually an inexpensive way to add the cherry on top of your vintage decorating. Because of their durability, you won’t be replacing your cast iron register covers anytime soon. When you buy the cheapy ones, you have to factor in how many times you have to rebuy them because they get dinged and bent so easily.

Ease of Use

Installing a cast iron floor register is a no-brainer. The hardest part is getting the right measurements. Always measure the opening of the duct rather than the old register and be aware when buying them that there are typically two sizes — boot size and register size.

The boot size is the size of the hole in the floor that the cast iron register will fit into. The register size is the finished outside size of the register.

Ready to pick your perfect cast iron floor grate? Check out our extensive selection!

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