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A
Superior Choice |
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When you choose Merbau
Decking, you’re choosing strength and beauty. Yellowish
brown with a lovely, tight grain, this Indonesian
hardwood bears a resemblance to Brazilian Ipe, with much
less color variation than other hardwoods. It is a
thoroughly hard, clear-grade, kiln-dried wood, resistant
to shrinking, splintering, and checking: in short, it’s
a superior choice for any decking project.
Merbau is harvested from well-managed permanent forests,
continuously replanted in a program of sustainable
agriculture. This program is overseen, coordinated, and
supervised by the Forestry Department of Indonesian
Government. That spells good sense, considering that
plantation-grown hardwood is one of Indonesia’s major
long-term industries. |
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Natural Durability |
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Merbau is naturally
resistant to rot, decay, termites, and fire. Much harder
than California redwood or cedar, the wood is kiln-dried
to bring even greater stability to your deck for the
long term. Uniquely attractive, highly durable, this is
one hardwood you'll enjoy year after year. |
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Easy
Maintenance |
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Merbau should be equipped
with a wood-stabilizing agent before it’s exposed to
sunlight. Simply store any untreated pieces under a
tarp, and apply the sunscreen during or after
installation. We suggest using two coats of a high
quality finish. For best results, reapply it annually,
or as needed – and that’s all there is to it!
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Installation Instructions |
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Handling and Cutting
● Surfaced on 4
sides (S4S) and eased on 4 edges (E4E), Merbau is
ready for easy installation.
● Keep the product out of
direct sunlight before installation and finishing.
● Ensure that there
is proper ground-side ventilation before constructing your
deck.
● Although
Merbau can be cut and machined with standard woodworking
tools, for best results or large jobs, we recommend using a
carbide-tipped blade.
End Sealing
● After
crosscutting exposed ends should be sealed with clear
paraffin wax based end sealant.
Fastening
● Stainless steel screws are recommended but not required.
Screw length should be a minimum of 1 ½” longer than
thickness of the board.
● Pre-drill fastener pilot holes close to the actual screw
diameter (decking board only).
● A minimum of ¼” spacing required between decking boards.
● Decking boards
should be attached with 2 screws at each joist (face screws
only).
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Finishing and Maintenance
● Apply a high
quality finish during installation, or immediately
afterwards. We recommend Wolman
Exotic Hardwood Treatment.
● If you plan to
install your deck in stages, seal each section as you
complete it.
● To maintain
Merbau’s natural beauty year after year, clean and reseal it
annually.
| Merbau
Recommended Spans |
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Nominal Size |
40 psf |
60 psf |
100 psf |
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1" x 6" (3/4 x 5-1/2) |
32" |
28" |
24" |
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5/4" x 6" (1-1/16 x 5-1/2) |
42" |
38" |
32" |
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These spans are designed for minimal deflection. |
▲back to top |
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HARDNESS |
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BENDING STRENGTH |
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SHEARING STRENGTH |
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DENSITY |
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MAXIMUM CRUSHING STRENGTH |
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Dry and Shrinkage
This species has an air-dry density of 515 to 1040 kg/m3.
Its shrinkage is 0.9% radial and 1.6% tangential. It dries
slowly without any degrade. |
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Uses
Merbau is a very good timber for general purpose use. |
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About Merbau Decking
(Intsia ssp) |
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click to enlarge |
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Merbau is widely distributed
across the tropical islands of the Pacific Ocean and
northern Australia. It is also found throughout tropical
Asia, as well as East Africa, where it was introduced.
The trees grow on a variety of soil types, in coastal
forests or lowland tropical rainforests, up to altitudes
of 1000m. Like many secondary species, the seedlings
need openings in the forest canopy to allow their rapid
initial growth, but once established, they require
partial shade. The most widespread species is I.
Bijuga. The most widely used species are I.
Bijuga and I. Palembanica. |
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Botanical Information
Trade
or Common Name
Merbau
Botanical Name
Intsia ssp.
Geographical Location
Tropical Asia-Pacific, Papua Province, the western half
of the New Guinea, and Indonesia.
The Tree
Merbau includes small to large trees, from 42 to
50m tall, which are branchless before they reach 20 to
25m. They can be evergreen or deciduous. The trunk is
sometimes poorly shaped, and grows buttress roots. A
slight buttress might be 60 to 75 cm thick, while a huge
buttress could be as thick as 2m. |
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Hardwood Decking Warranty
Exterior Wood Inc. “Warrantor” warrants that it’s
Merbau hardwood decking (Intsia spp.) will be
free of any and all manufacturing defects and warranted
for a period of one year from the date of purchase
against excessive movement when product is installed
according to installation guidelines.
A visual inspection is required by a representative of
Exterior Wood Inc. Any and all boards deemed
defective shall be replaced free of charge. Warrantor
shall not be liable for any installation or
reinstallation cost or the natural characteristic of
some wood to split, warp, cup or twist, or for any
incidental or consequential damages.
Warranty applies only to original owner. Proof of
purchase must be submitted upon request
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