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Paulownia
- A Soft Hardwood
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General
Characteristics
Paulownia
is a soft hardwood native to China. The heartwood
is light in color and the sapwood even lighter.
Color differential between the two is not distinct.
The wood is without odor or taste and is mostly
free from knots. Planed or sanded, it has the
feel of spun silk.
Wood
Structure
The
demarcation between heartwood and sapwood is not
clear and the wood is straight grained and lustrous.
Wood
Properties
Paulownia is comparatively soft and light in
weight for a hardwood. Physical weight is slightly
less than kiln dried western red cedar. It is
low in overall strength, but has a high strength
to weight ratio. The shrinkage coefficient is
smaller than most commercially harvested coniferous
and broad leaf woods. The wood dries rapidly and
does not easily warp, cup, end check, splinter
or split. Movement in service is rated as small.
Paulownia has one of the lowest thermal conductivity
values of any wood; therefore the wood has very
high insulation properties. Low thermal conductivity
contributes to the low shrinkage in use.
Compared to most woods, Paulownia has a high
resistance to fire and flames and a higher ignition/flash
point.
Paulownia is naturally decay resistant and any
rot is generally superficial. The wood is also
naturally resistant to insect attack.
Paulownia has no measurable pitch, resin or tannins
so it is not subject to extractive bleeding.
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Working Properties
Paulownia is easy to work using hand or machine tools. It
is easy to plane, sand, saw, rip, route, and carve, and even
during quick processing there is no danger of splitting or
chipping. It easily absorbs glue, paint and stains.
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| Wood
Utilization/Uses
- Exterior/Interior
Trim Boards
- Exterior/Interior Pattern Stock
- Paneling/Siding
- Box Columns
- Extension Jambs/Flat Jambs
- Millwork
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Summary
of Benefits
- Mostly
Plantation Grown
- Dimensionally Stable
- Low Shrinkage Coefficient
- Light Physical Weight
- High Strength to Weight Ratio
- High Insulation Properties
- High Fire and Ignition Resistance
- Low Thermal Conductivity
- Contains No Measurable Tannins, Resin or Pitch
- Easy to Nail, Screw or Staple
- Light Color
- Straight Grain
- Easy to Work with All Tools
- Easy to Handle
- Easy to Glue, Stain and Paint
- Naturally Rot, Decay and Insect Resistant
- Glossy, Lustrous Finish
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Information
Sources:
USDA Forest Products Laboratory, Madison, Wisconsin
World Tree Technologies, Phoenix, Arizona
Global Tree Technologies, Vancouver, British Columbia, Canada
International Development Research Center, Ottawa, Canada
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Products
Offered
Asia Building Materials offers a wide range of primed products
made of Paulownia under the brand name  .
Sherwin-Williams Primer Optional.
All Paulownia products are standard 16' Lengths. 18' &
20' & custom lengths available.
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| Boards & Dimension |
- Kiln Dried
- S4S or S1S2E
- Square or Eased Edge
- FJ and or FJ/EG
- Exterior Waterproof Glue
- Exterior Oil Base Spray Primed 4 Sides & Both
Ends
- 180 Grit Sanded 4 Sides After Priming
- One or Two Coat Primed
- Standard ALS Widths-Custom Thickness & Widths
Available
- Fully Reversible
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| Standard Product Line: |
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4/4 (11/16") - 1 x 2, 1 x 3, 1 x 4,
1 x 5, 1 x 6, 1 x 8, 1 x 10 & 1 x 12
4/4 (3/4") - 1 x 2, 1 x 3, 1 x 4, 1 x 5, 1 x 6, 1
x 8, 1 x 10 & 1 x 12
5/4 (1 1/8") -5/4 x 3, 5/4 x 4, 5/4 x 5, 5/4 x 6,
5/4 x 8, 5/4 x 10 & 5/4 x 12
8/4 (1 1/2") - 2 x 2, 2 x 4, 2 x 6, 2 x 8, 2 x 10
& 2 x 12 |
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| Pattern Stock |
- Kiln Dried
- S4S - Square Edge
- S2S - tongue and groove
- FJ and or FJ/EG
- Exterior Waterproof Glue
- Exterior Oil Base Spray Primed 4 Sides & Both
Ends
- 180 Grit Sanded 4 Sides After Priming
- One or Two Coat Primed
- Fully Reversible
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| Standard Product Line: |
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1 x 4 & 1 x 6 T & G Beaded Ceiling
- EB & CB/V2E
1 x 6 & 1 x 8 Plowed for Soffit
Custom Patterns Available |
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| Bevel Sidings |
- Kiln Dried
- Smooth Face/Re-Sawn Face
- Eased Edges & Tip
- FJ and or FJ/EG
- Exterior Waterproof Glue
- Exterior Oil Base Spray Primed 4 Sides & Both
Ends
- 180 Grit Sanded 3 Sides After Priming
- One or Two Coat Primed
- Fully Reversible
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| Standard Product Line: |
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1/2 x 4, 1/2 x 6 & 1/2 x 8
11/16x 6, 11/16x 8 & 11/16 x 10
3/4 x 8 & 3/4 x 10
5/8 x 6, 5/8 x 8 & 5/8 x 10
Custom Sidings Available
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| Timbers |
- Kiln Dried
- S4S
- Square or Eased Edge
- FJ and or FJ/EG
- Exterior Waterproof Glue
- Exterior Oil Base Spray Primed 4 Sides & Both
Ends
- 180 Grit Sanded 4 Sides After Priming
- One or Two Coat Primed
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| Standard Product Line: |
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4 x 4
Custom Sizes Available |
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Processing Plants
Our contract factories have a skilled labor force, are equipped
with modern machinery and have the necessary wood- working
equipment and priming facilities to produce a wide range of
products for the building and millwork industries.
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Download
PDF Brochure
Download
MSDS - Domestic Primer
Download MSDS - Sherwin-Williams Primer
Download - Extractive Bleeding & Tannin Staining Wood &
Wood Products
Download - Product Storage & Finishing
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