01 Wood and Wood Construction

Question 1

Also known as Philippine Ebony, Is a wood unique to the country. With a black heartwood (inner region) and gray sapwood, this produces really dramatic, dark timber hence the name. The grain is often grayish and has strong, dark brown streaks.

Answer 1

Kamagong

Question 2

A moderately hard reddish wood, is one of the seven local woods often referred to as Philippine Mahogany. This abundant wood type boasts of fine ribbon or straight grain.
It’s relatively soft and easy to work on, but resilient enough for outdoor construction. Ideal for: interior finishes, cabinets, boat building.

Answer 2

Tanguile

Question 3

This resinous wood with yellow to golden-red tones is another local mahogany type. A high-grade timber, can tolerate harsh hot and cold weathers. Ideal for: furniture, surface finishes, small weapons, and outdoor constructions.

Answer 3

Yakal

Question 4

One of the hardest local woods, has a fine texture that makes it smooth to the touch. It’s available in pale yellow to pinkish-brownish tone with a lighter sapwood (outer region), and mostly straight grain. It has no distinct odor. Ideal for: window frames, shipbuilding, structural posts, railroad tracks, and other outdoor applications

Answer 4

Molave

Question 5

This very popular tropical wood has tones that range from yellow to red. The grain (texture and alignment of wood fiber) is often interlocked and wavy, which creates interesting flame and ribbon figures when quartersawn or flat sawn, which makes it a beautiful finishing material. Texture can be anywhere from average-fine to average-coarse. The wood itself is lustrous and has an attractive odor. Is classified as endangered and vulnerable here, and in Malaysia. Ideal for: furnishings, floor planks, wall panels

Answer 5

Narra

Question 6

Which type of wood comes from pine trees, cheap and commonly used for furniture framing, shelves and basic carpentry?

Answer 6

Palochina

Question 7

For the formworks framing of a concrete column, what is the typical dimension of lumber used?

Answer 7

2” x 2”

Question 8

Which of the following trees is NOT considered endangered?

a. Narra
b. Molave
c. Acacia
d. Kamagong

Answer 8

c. Acacia

Question 9

Which engineered wood product has body made from pressed thin wood veneers perpendicular to each other?

Answer 9

Plywood

Question 10

Which engineered wood product has a core of wood strips squeezed between veneer panels?

Answer 10

Plyboard

Question 11

Which engineered wood product has a core of wood strips squeezed between veneer panels?

Answer 11

Plyboard

Question 12

Coconut fiber nets are also used for what?

Answer 12

Erosion Protection

Question 13

Known as the “poor man’s timber” ?

Answer 13

Bamboo

Question 14

What material is the core of plyboards made of?

Answer 14

Wood strip

Question 15

“Reclaimed” wood is?

Answer 15

Repurposed

Question 16

Wood species used for furniture?

Answer 16

Narra, Tanguile, Ebano, Apitong, Antipolo, Kamagong,

Question 17

Wood species used for Beams and Mast?

Answer 17

Guijo, Batitinan

Question 18

Wood species used for posts?

Answer 18

Yacal, Ipil, Molave, Guijo, Dungon

Question 19

Wood species used for Girders?

Answer 19

Yacal, Ipil, Guijo, Molave

Question 20

Wood species used for Joists?

Answer 20

Yacal, Guijo, Tangile, Ipil, Supa

Question 21

Wood species used for Girt?

Answer 21

Yacal, Guijo, Tanguile

Question 22

Wood species used for Rafters?

Answer 22

Guijo, Tanguile, Apitong, Yacal, Ipil

Question 23

Wood species used for Purlins?

Answer 23

Guijo, Tanguile, Apitong, Banaba

Question 24

Wood species used for Window Sills?

Answer 24

Yacal, Molave, Ipil, Tanguile

Question 25

Wood species used for Door Jambs?

Answer 25

Yacal, Molave, Ipil, Tanguile

Question 26

A wood panel products made by bonding veneers together under heat and pressure, usually at right angles to each other.

Answer 26

Plywood

Question 27

Plywood clad on one of both sides with sheet metal.

Answer 27

Plymetal

Question 28

A very dense, felted, homogeneous panel made from lignocellulosic fibers consolidated under heat and pressure in a hot press to density not less than 490 kg/m3

Answer 28

Hardboard

Question 29

A non-veneered composite wood panel product consisting of cellulosic particles made by bonding small wood particles made by bonding small wood particles with a synthetic resin under heat and pressure.

Answer 29

Particle Board

Question 30

A composite panel product generally consisting of cellulosic fibers mixed with a synthetic resin or other alternative bonding element and joined together under heat and pressure.

Answer 30

Medium Density Fiberboard (MDF)

Question 31

A class of building board made from wood and particles in a binder and often faced with veneer, made by binding phenolic resin or urea-formaldehyde glue.

Answer 31

Chipboard

Question 32

A non-veneered panel product composed of large, thin wood flakes bonded under heat and pressure with a waterproof adhesive.

Answer 32

Waferboard

Question 33

A wood panel product composed of large, thin wood flakes bonded under heat and pressure with a waterproof adhesive.

Answer 33

Composite Panel

Question 34

A non-veneered wood panel commonly used for sheathing and as sub-flooring, made by bonding three or five layers of long, thin wood strands under heat and pressure using waterproof adhesive.

Answer 34

Oriented Strandboard (OSB)

Question 35

A rigid sheet composed of wood pulp, gypsum or other materials; may be fastened to the building to provide an interior surface finish; the long edges of the board usually tapered to provide easy treatment of joints when board is erected.

Answer 35

Wallboard

Question 36

A wallboard having a gypsum core.

Answer 36

Gypsum Board

Question 37

A hardboard impregnated with a drying oil or other oxidizing resin and baked to improve its hardness and moisture resistance.

Answer 37

Tempered Board

Question 38

A structural lumber product made by bonding layers of wood veneers together under heat and pressure using a waterproof adhesive.

Answer 38

Laminated Veneer Lumber

Question 39

A dense, rigid board containing a high percentage of fibers bonded with portland cement, characterized by its high resistance to fire, flame, and weathering.

Answer 39

Asbestos Cement Board

Question 40

Made from cork granules and mixed with synthetic resin, compressed and formed into sheets with thicknesses ranging from 1 to 6 inches and baked under pressure into rigid boards.

Answer 40

Corkboard

Question 41

Any member compromising an assembly of laminations of lumber in which the grain of all laminations is approximately parallel longitudinally, in which the laminations are bonded with adhesives.

Answer 41

Structural Glued-Laminated Timber (Glulam)