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Imperial Productions
®
Attic
Bases
for Classical Columns
Custom
& Standard Models

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Attic Base
Design
Attic
Bases are used with the classical Orders of columns
Doric,
Corinthian, Ionic,
Scamozzi, Composite, and
Temple of the Winds
(Tower of the Winds). Unlike the
simpler
Tuscan Bases, Attic Bases have
two rounded profiles (Torus) that are
separated by a hollow concave or recessed area (Scotia) that sits on a
Square Plinth. The Torus and the Plinth in some cases can be made separately.
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Custom
Attic Bases
Replace rotted Attic Bases with a traditional solid hardwood preferably
White Oak made to any custom size. We welcome precise Historic Reproductions.
Hardwood is load Bearing
made up to 36" Diameter. Specify the Torus or Plinth separately if
required
The
GFRC-ZeamentTM
is a Portland Cement with a very smooth finish. The Attic bases are
hollow to wrap around a column shaft, and the Plinth, although hollow,
is strong enough to be load bearing.
For those that
require a decorative wrap select
ArchPolymerTM
an artificial wood.
All can be ordered split for post wraps. For larger decoratives specify
Fiberglass
Custom
Form for Attic Bases
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Sizing Your
Replacement Bases
Measure the
circumference of the bottom of the shaft before it engages the base. The best way
to size the base is to tape a piece of string to one side of
the shaft, go all around the circle and note the length. The length of the string is the
circumference of the bottom of the shaft before the base. The length
times 3.14 will
equal the diameter required for the hole in the base. You need wiggle
room so add a 1/4". Before considering custom sizes, select from
the standard models below.
Watch our YouTube Video
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GFRC-ZeamentTM
Attic
Bases
To replace rotted or
broken bases,
GFRC-ZeamentTM
is the perfect solution! It is a composite of Portland cement and
polymers producing a smooth exterior finish. It is strong, heavy and
load bearing. The Torus and Plinth are hollow, however the Plinth is
wide enough to carry column loads. Custom sizes are available from 6" to
48" diameter. Large bases are made in 2 parts Torus and Plinth or split for reassembly around an
existing column
shaft.
Watch our YouTube Video
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1 of 30 |
Torus Top Flat Round
Diameter 4-1/4"
Fits
Column 4" Diameter = Circumference 12-1/2" |
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Get a Custom
Quote for
24
Hardwoods
Size
to 36" Diameter |
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Options:
Materials
Factory Painted Metal Coated FireRated |
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* All Prices, Exchange and Specifications Subject to Change without
Notice
* All designs & content copyrighted 2025
ImperialProductions®
or Permissions Granted |
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2 of 30 |
Torus Top Flat Round
Diameter 5-1/4"
Fits
Column 5" Diameter = Circumference 15.7" |
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Get a Custom
Quote for
24
Hardwoods
Size to 36" Diameter |
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Options:
Materials
Factory Painted Metal Coated FireRated |
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* All Prices, Exchange and Specifications Subject to Change without
Notice
* All designs & content copyrighted 2025
ImperialProductions®
or Permissions Granted |
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4 |
Torus Top Flat Round
Diameter 6-1/4"
Fits
Column 6" Diameter = Circumference 18.85" |
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Get a Custom
Quote for
24
Hardwoods
Size to 36" Diameter |
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Options:
Materials
Factory Painted Metal Coated FireRated |
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* All Prices, Exchange and Specifications Subject to Change without
Notice
* All designs & content copyrighted 2025
ImperialProductions®
or Permissions Granted |
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8 |
Top Flat Round 8-1/2" -
Load Bearing |
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Get a Custom
Quote for
24
Hardwoods
Size to 36" Diameter |
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Options:
Materials
Factory Painted Metal Coated FireRated |
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* All Prices, Exchange and Specifications Subject to Change without
Notice
* All designs & content copyrighted 2025
ImperialProductions®
or Permissions Granted |
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13 |
Top Flat 10-1/2" - Load
Bearing |
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Get a Custom
Quote for
24
Hardwoods
Size to 36" Diameter |
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Options:
Materials
Factory Painted Metal Coated FireRated |
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* All Prices, Exchange and Specifications Subject to Change without
Notice
* All designs & content copyrighted 2025
ImperialProductions®
or Permissions Granted |
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15 of 30 |
Hole 12"
- Decorative Wrap |
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19 |
Round Top Flat 12-1/2" - Load
Bearing |
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Get a Custom
Quote for
24
Hardwoods
Size to 36" Diameter |
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Options:
Materials
Factory Painted Metal Coated FireRated |
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* All Prices, Exchange and Specifications Subject to Change without
Notice
* All designs & content copyrighted 2025
ImperialProductions®
or Permissions Granted |
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22 |
Top Flat 14-1/2" - Decorative |
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Get a Custom
Quote for
24
Hardwoods
Size to 36" Diameter |
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Options:
Materials
Factory Painted Metal Coated FireRated |
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* All Prices, Exchange and Specifications Subject to Change without
Notice
* All designs & content copyrighted 2025
ImperialProductions®
or Permissions Granted |
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Custom
Hardwood Repro's & Unique Designs
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A Note About our Custom
Attic Bases
You can specify Heights, up to 36" Diameters, and Split Variations for
columns made from Solid 24 Hardwoods, Hollow ArchPolymerTM
Custom Bases are priced as per drawing or specifications submitted
Provide the details and we will quote them for you
send to email sales@imperialproductions.com
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Fixing
Rotted Bases
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Look at video
all about
fixing rotted
bases
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click for YouTube Video |
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Square Load Bearing Plinths
Square
plinths can be made from White Oak and GFRC-ZeamentTM.
Remove rotted bases and slide in new load bearing plugs.
Explore the Square Plinths
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Load Bearing Plugs
Made
from White Oak, these custom made load bearing plugs allow a decorative
hollow base to be placed around the plug that supports the column shaft.
Explore the Plugs
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Post Wrap Charts
CAD
drawing for Post Wraps. How to fit a square post into a round hole.
Drawings for multiple sizes.
Explore the Charts
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Hardwood
Hand Crafted
All parts can
be
customized
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Hardwood
Columns
Interior Stain & Paint: American Poplar, Alder, Ash,
Basswood,
Beech,
Birch Cherry,
Maple, Maple (Sap), Mahogany-African,
Oak
(Red), Oak (White), Walnut
Exterior (Stain & Paint)
White Pine, Knotty Pine, Clear Pine, Western Red Cedar
Explore Hardwoods
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Fiberglass
Interior /
Exterior
Made from
Molds |
Fiberglass
Load Bearing
Columns
Fiberglass is a
combination of
polyester resins and glass fibers with a Gelcoat covering. They are
made from molds and approximately 2-3lbs per square foot.
Fiberglass is weather resistant and is suitable for emersion in water for
fountains. The tensile strength is superior for earthquakes and hurricane zones
however they do requires to be affixed to the substrate with hardware
supplied by others. Fiberglass columns meet
ASTM-E84 fire rating standards when specified as an upgrade. They
are molded in 2 pieces and seamlessly put together when ordered whole.
Specify in halves for post wrap or pilaster applications or wedged for
corners.
Use Bondo to cover seams.
Expensive new molds are required for customization however they can be cut to height
by the factory or others.
Explore
Fiberglass
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FRP-PolyCompTM
Interior /
Exterior
Made from
Molds
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FRP-PolyCompTM
Load Bearing
Composite Columns
FRP is 70%
calcium carbonate, 5% marble chips, 25% Polyester Resins.
Meets
ASTM-E84 fire rating. Specify in halves for post wrap or pilaster
applications or wedged for corners. Expensive new molds are
required for customization however they can be cut to height by the
factory or others.
Explore
FRP-PolyCompTM
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ArchPolymerTM

Interior /
Exterior
Made from
Molds |
ArchPolymerTM
Decorative Columns
ArchPolymerTM
is a
synthetic wood with the same consistency as white pine. It is not a
plastic. It is rot, water and insect resistant, cuts like wood and
comes white primed. Class A Fire Rating is an upgrade that can be
specified to put into the mix. They are molded in 2 pieces. Use
our PolySpackling Compound to cover any seams. They can be cut to height
by the factory or others. For custom sizes for volume orders request a
quote.
Explore
ArchPolymerTM
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GRG-NeoPlasterTM
Made from
Molds
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GRG-NeoPlasterTM
Decorative
Interior Columns
Alpha gypsum, cement, water, re-enforced with glass
fibers.
Lite weight 2-3lbs
per square foot. Meets ASTM-E84 Fire rated.
Odorless and
emission free. Interior use only in dry areas.
Made in a
mold in 2 pieces - tape & mud seam.
Customization
by cutting bottom of the shaft
Explore
GRG-NeoPlasterTM
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Watch our YouTube Video
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GFRC-ZeamentTM
Attic
Bases
To replace rotted or
broken bases,
GFRC-ZeamentTM
is the perfect solution! It is a composite of Portland cement and
polymers producing a smooth exterior finish. It is strong, heavy and
load bearing. The Torus and Plinth are hollow, however the Plinth is
wide enough to carry column loads. Custom sizes are available from 6" to
48" diameter. Large bases are made in 2 parts Torus and Plinth or split for reassembly around an
existing column
shaft.
Explore GFRC-Zeament
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Real
Metal Coating
All of the column materials can be coated
with real metal. This applies particularly to captials and bases.
We have done real metal coating on column shafts as well
Explore Real Metal Coating
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Metallic
Paints
For finishing shops or the DIY client, we
offer Ronan Aqua Leaf Real Metal Paints. Apply with an air brush or
regular brush for highlighting golds, silvers and bronzes.
Explore Ronan Paints
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Go To Main Column Page
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Imperial
Productions®
Attic
Bases sold in 16 Countries |
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Attic Column
Bases
Toronto
Attic Column
Bases Montreal
Attic Column
Bases Calgary
Attic Column
Bases
Vancouver
Attic Column
Bases Atlanta
Attic Column
Bases New York
Attic Column
Bases Chicago
Attic Column
Bases Miami
Attic Column
Bases Tampa
Attic Column
Bases Philadelphia
Attic Column
Bases Los
Angeles
Attic Column
Bases Houston
Attic Column
Bases San Francisco
Attic Column
Bases New Orleans
Attic Column
Bases Denver
Attic Column
Bases Boston
Attic Column
Bases Mexico City
Attic Column
Bases
Amsterdam
Attic Column
Bases London
Attic Column
Bases Sydney Australia
Attic Column
Bases Tokyo
Attic Column
Bases Paris
Attic Column Bases Frankfurt
Attic Column
Bases Rome
Attic Column
Bases Dubai
Attic Column
Bases Bahamas
Standard
and custom Attic Bases are Perfect for new construction, home remodeling
Commercial
or historic retrofit
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How to Order Products
1-800-399-7585 +1-416-264-6096
email:
sales@imperialproductions.com |
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* All Prices &
specifications in this website subject to change without notice |
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* Prices are
net, Freight, Taxes & Duties charged where applicable otherwise client is
responsible for remittance |
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* Measurements
are approximate only, Final Product may vary from this website |
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COPYRIGHT MRDCI Martin Richards Design and Contracting Inc, Martin
Richards DesignTM
and Imperial
Productions®
Feb 2018
all rights reserved
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Last
Update NOV-25 |
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