Sustainable
Management Forests |
We at Madeiras Alman strongly believe working for forests and trading in timber have to go hand in hand since the future of forests and timber supplies deeply depend on sustainable forest management.
We manage forest concessions in Africa and because forests differ from each other, different operating methods are necessary. Some forests should be completely protected whereas others could be used responsibly for the goods of all human kinds. |
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We employ appropriate management and extracting methods in the “production forests” so as to ensure their sustained future. We take extreme cares to mitigate our impact during our daily activities. Rather than “out right” cutting or “mining” the forests, selective logging takes place. |
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Moulded
Wood Profile |
We manufacture wood profiles that are of highest quality in various designs, which are used in flooring, decking, constructions, furniture and utility application. Our customers have wide range of selections that they can choose from. These different profiles are Tongue and Grove (T&G), Shiplap, Pencil Edge, Baton, Surface 4 Sides (S4S), Surface 1 side (S1S), Edge 4 Edge (E4E) and even Rough Sawn. We also provide custom-designed wood profiles should you not able to find the right profile of your choice.
The following is a sample list of our molded wood profiles that come with any specific sizes and measurements that you require
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Baton
(SPWP4000s)
Baton profile
come with
two chamfered
corners
on the top.
In most
cases, this
profile
is utilized
in decking
and flooring
application. |
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Pencil
Edge (SPWP3000s)
All
corners
are rounded
with 4
sides
are planned
to give
a smooth
surface.
Pencil
Edge is
one of
the most
widely
used moulding
profiles
found
in furniture,
decking,
and flooring
application.
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Tongue
& Groove
(SPWP1000s)
Tongue &
Groove is
a joint
made by
fitting
a tongue
on the edge
of a board
into a matching
groove on
another
board. It
is a common
profile
widely used
in flooring,
siding,
and ceiling.
Its design
enable stronger
and non-slipery
jaw action
while eliminates
nut and
bolt failures. |
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Shiplap
(SPWP2000s)
Wooden
siding rabbeted
so that
the edge
of one board
overlaps
the one
next to
it in a
flush joint.
Most often,
shiplap
profile
is utilized
for flooring
and siding
application. |
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Surface-Four-Sides
(S4S)
S4S
profile
are made
from timbers
dressed
by moulder
to give
a smooth
surface
on four
sides. This
profile
is commonly
found in
furnitures,
framing
and other
utilitarian
uses. |
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Surface-One-Side
(S1S)
Contrasting
to S4S,
S1S profile
has only
smoothened
surface
on one side
while the
remaining
three sides
are remained
undressed.
It is normally
used for
flooring,
decking,
and furniture
application
where only
one side
of the wood
profile
is exposed. |
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Rough
Sawn
Rough
Sawn is
undressed
sawn timber
which has
not been
planed or
otherwise
machined.
It is mostly
used for
construction
and utility
application. |
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*
Other specifications
are available upon
request. |
UMBILA
(PTEROARPUS ANGOLENSIS)
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Family: Leguminosae
Other Names: Imbila, Mebila, Tondo, Kiaat
Distribution:
Mozambique
,
Tansania
,
Zambia
,
zimbabwe
and
South Africa
.
The Tree: The
tree grows to a height of 50 ft (15m) sometimes 70 ft (21m) and a diameter of 2 ft
(0.6m).
The Timber: The
oatmeal colored sapwood is clearly defined from the heartwood, which matures
into a golden-brown with irregular darket chocolate-brown stripes.
Seasoning: Dries ver well. Small movement in
service.
Durability: The
wood is very durable, resistant to insect, fungus and marine borers.
Workability: The
timber works easily with both hand and machine tools. Can be easily nailed or screwed. Works to a
fine finish. Glues well. Takes
a high polish and varnish.
Uses: Excellent
timber used mainly for furniture, joinery and decorative veneer. Also suitable for general
construction work and for marine uses.
Physical Properties:
Density Kg/m3
Density at 12% moisture contact 636 Light
Density based on weight overn-dry
and green volume 558
Volumetric shrinkage from green to ovendry 6.4 Small
Shrinkage
Unit radial shrinkage 0.13
Unit tangential shrinkage 0.21
Unit tangential shrinkage 0.21
Fiber saturation point (per cent) 17 Low
Mechanical Properties:
Properties Average
Modulus of rupture N/mm2 135 Medium
strength
Stiffness quotient 30.6 Medium
stiffness
Bending quotient 20.2
Toughness 0.31 Low
toughness
Impact quotient 0.60 High
fragility
Maximum crushing strength N/mm2 47 Medium
strength
Maximum strength N/mm2 2.2 Low
strength
Hardness number 5.4 Medium
Hard
(AFZELIA QUANZENSIS)
Family: Leguminosae (legume)
Other Names: Pod-Mahogany,
mahogany bean, peulmanhonia, mkehli.
Distribution: The
species Afzelia can be found in the West, Central,
and East African regions
of sub-Saharan
Africa
. The species A. quanzensis is distributed in
both lowland rain and dry forest and savannas in the coastal belt of eastern
Africa from
Kenya
to
Mozambique
and
South Africa
.
The Tree: This is a very large and spreading
tree raching heights of
70-80 ft (21-24m).
However, its straight bole rarely exceeds 12-20 ft (3.7-6.1m). Its diameter can swell to 4 ft (1.2m)
in ideal growing conditions. The greenish-gray
bark tends to flake in circular patches giving the tree a distinctive pitted effect.
The leaves are alternate, compound, with 4-6 pairs of opposite or nearly
opposite oblong-elliptic leaflets. The fruit is a large, flat, dark brown, thickly
wooded pod. Embedded in a white pith inside the pod
are 6-10 distinctive
dark blackish-brown seeds. The seeds are used for necklaces and sold as curios.
The Timber: It
is light-colored when freshly sawn and turns to a rich reddish-brown when exposed to the air. It has the appearance
of a dense grade of a beautiful mahogany
(Swietenia spp.). The
texture is medium to coarse with an
interlocking grain. Afzelia weighs 47-50 alb/ft3
(753-801 kg/m3). It is obtainable
in wide boards buth the lengths are generally short.
It lacks a characteristic
taste or odor. The wood is related and somewhat similar to the Inti sia spp., a testimony to
its beauty and usefulness.
Seasoning: Afzelia is stable when seasoned. It dries slowly with very
little or no degrade.
Durability: The
wood is very durable and moderately resistant to termite attacks. As with many other woods, the sapwood is
vulnerable to power post beetles. Its
real glory is that it is resistant to the teredo in
maritime applications.
Workability: Because
this wood is relatively hard, all tooling for its maching must be appropriate
and cutting edges sharp and angled properly. Its interlocking grain may be
troublesome. It finishes well and takes a high polish.
Uses: This
high-strength and durable timer is used for high-class joinery in both Indoor and outdoor applications. It is especially
attractive when used for doors,
window frames, floors and staircases. In its native locale it is a favorite
for highly ornamental carved doors and chests.
Physical
Properties:
Density Kg/m3
Density at 12%
moisture contact 790 Heavy
Density based on
weight oven-dry and green volume 692
Volumetric
shrinkage from green to oven-dry 6.8 Small
Shrinkage
Unit radial shrinkage 0.17
Unit tangential shrinkage 0.18
Fiber saturation point (per cent) 17 Low
Mechanical Properties:
Properties Average
Modulus of rupture N/mm2 110 Medium
strength
Stiffness quotient 35.8 Medium
stiffness
Bending quotient 13.9 Low
Toughness 0.14 Low
toughness
Impact quotient 0.22 High
fragility
Maximum crushing strength N/mm2 61 Medium
strength
Maximum strength N/mm2 2.6 Medium
strength
Hardness number 7.2 Hard
Family: Leguminosae (legume)
Other Names: Panga-Panga, Jambrie, Messara
Distribution:
East Africa
The Tree: Millettia stuhlmenii and Milettia laurentil (Wenge) come from trees of modest size, reaching 60 ft (18m)
in height and logs with 1’8" (50cm) to 2’-0" (60cm) in diameter.
The Timber: Panga Panga and wenge have similar properties, both are brown to almost black
with a distinctive appearance due to lines of paler tissue. They are coarse and somewhat variable
in texture, but the grain is usually straight. Both are dense woods, panga panga being 10% and wenge 20% heavier than Oak. Panga panga weighs
60lb/ft3 (800 kg/m3) when seasoned. It is reported that Panga Panga keeps its color better than Wenge.
Seasoning: Both
dry slowly and require care to avoid surface checking, but generally the degrade is minimal. The wood is stable in use.
Durability: The
wood is very durable; very resistant to insects and fungal attack. Sapwood moderately permeable to preservative treatments.
Workability: Hard
to saw and plane. Nails are difficult to drive and cannot be screwed without drilling. Glues well. Polishes well and takes a high varnish.
Uses: Used
principally for furniture, flooring, veneer and decorative constuctions.
Physical Properties:
Density Kg/m3
Density at 12% moisture contact 825 Heavy
Density based on weight oven-dry and green volume 714
Volumetric shrinkage from green to oven-dry 9.9 Small
Shrinkage
Unit radial shrinkage 0.20
Unit tangential shrinkage 0.32
Fiber saturation point (per cent) 18 Low
Mechanical
Properties:
Properties Average
Modulus of rupture N/mm2 152 Medium
strength
Stiffness quotient 30.2 Medium
stiffness
Bending quotient 18.4 Medium
Toughness 0.43 Medium
toughness
Impact quotient 0.62 High
fragility
Maximum crushing strength N/mm2 69 Medium
strength
Maximum strength N/mm2 2.3 Low
strength
Hardness number 10.7 Very
hard
Pau-Ferro / PAO
ROSA
Specie Name:
PAU
FERRO / PAO ROSA
Botanical / Scientific / Swartzia fistuloides
Latin name
Origin: (Regions Africa) West
Africa – Central Africa –
East Africa
Colour: Pink brown, striped
with red brown bands
Natural durability: Durable
Characteristics Grain: Slightly
interlocked; Texture: fine to medium; Silver figure: -
Uses: Sliced
veneers for decoration and cabinet works, high-class furniture, Table Top and musical
instrument (Xylophone) etc
Working properties: Power
required for sawing, slow drying, machining: difficulties due to irregular
grain, good gluing, good finishing
Numerical Values
Category Green Dry
Bending
Strength 1207 1739 kg/cm2
Max.
Crushing Strength 908 kg/cm2
Stiffness 178 1k kg/cm2
Specific
Gravity 0.82
Weight 1122 1206 kg/cm3
Density
(Air dry) 978 kg/cm3
Radial
Shrinkage (G->OD) 4 %
Tangential
Shrink. (G->OD) 6 %
Volumetric
Shrink. (G->OD) 11 %
General comments: Attractive heavy species used for high
class furniture. Also used as substitute for Rosewood from
Burma
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Panga Panga (Wenge)
Botanical / Scientific / Milettia laurentii
Latin name
Origin: (Regions
Africa)
Central Africa
Colour: Yellowish
brown toning down to purplish brown, with pink–brown thin stripes
Natural durability: Very
durable
Characteristics Grain: Straight to slightly interlocked; Texture:
coarse; Silver figure: -
Uses: Domestic and heavy duty flooring, high
class furniture, turnery, Knife
handles and brush backs, sliced veneers for decoration and cabinet work, interior fittings
Woking properties: Power required for sawing, slow drying, machining;
difficulties due to hardness,
special precaution needed in gluing, nailing difficult, finishing good with wax products.
Numerical Values
Category Green Dry
Bending
Strength 1032 1548 kg/cm2
Max.
Crushing Strength 443 724 kg/cm2
Stiffness 145 166 1k kg/cm2
Hardness 739 kg
Shearing
Strength 171 kg/cm2
Specific
Gravity 0.72 0.91
Weight 1154 913 kg/cm3
Density
(Air dry) 865 kg/cm3
Radial
Shrinkage (G->OD) 3 %
Tangential
Shrink. (G->OD) 6 %
Comments: |
Timber is black / brownish in colour, with whitish grains. Very nice luxury
decor
but heavy (870 kg at 12% mc).
Used for carvings, indoors decorative contraction,
parquet, knife grips or music 12% mc). Also used for carvings,
indoors
decorative contraction, parquet, knife grips or music instrument
components.
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