HsLBroker: when buying hardwood for roofing, consider Akun, Itara, Ogborugboru, Koko Igbo, Ayin, they are good wood that stand the test of time

HsLBroker: A home is gotten when you look for comfort based on your fantasy, but a shelter is a necessity, and a building becomes a shelter when it can prevent rain,water,sun, strong wind and other climatic elements from affecting the occupants- human,animal, living and dead loads with personal effects.

As far as I am concerned the moment you have your roof placed on a building, other things are important but they are basically needs. You can’t move into a house without a roof , but we have seen people living in a house with no window or makeshifts windows covered with ordinary bags and cardboards.

So it is very important to calculate the dimension of the true length of a roof members. These dimensions are essential to determine the accurate span of Rafter, Wall plate, Tie beam, King Post, Overhang, Purlins, fan struts etc.

Residential timber-framing construction clearly differentiate between spacing and span Spacing the centre-to-centre distance between structural members, unless otherwise indicated.

Span the face-to-face distance between points capable of giving full support to structural members or assemblies. In particular, rafter spans are measured as the distance between points of support along the length of the rafter and not as the horizontal projection of this distance.

Single span the span of a member supported at or near both ends with no intermediate supports.

Continuous span the term applied to members supported at or near both ends and at one or more intermediate points such that no span is greater than twice another.

Span/length calculation for roof members.

As can be seen the span of the rafter in the figure below is not quite in agreement with the Code but we will use the figures for the rafter span as calculated below.

Wood/ timber are sawn into various sizes amongst are

2” by 2” i.e 50mm by 50mm

2” by 3” i.e 50mm by 75mm

2” by 4” i.e 50mm by 100mm

2” by 6” i.e 50mm by 150mm

3” by 4” i.e 75mm by 100mm

3” by 6” i.e 75mm by 150mm

mufutau55:

Thank you H$LBroker. This is a very good instructions and lectures... It will be very useful to many people here.

Hajji Mufutau

HsLBroker: update

HsLBroker:
my woods don't need solignum

mufutau55:

Did you mean your wood don't need Solignum, why is that? Thx.

Hajji M.

HsLBroker: because the wood are the best hardwood that stand the test of time, and they are old wood, and they have anti termite odor that drives termite away

kopell: This is why I love this section every day you come to class, you learn something new.
This roofing class is very informed, no more hiding place for dubious contractors. The roofing professor as empower his student with information. This is wood class, I believe very soon, he will extend his class the roofing sheets. I came late sir am sorry for that Thank for sheering this information.

HsLBroker: .

HsLBroker: for your hardwood for roofing, Such as Akun, Itara, Ayin, Afara, Ara, Bamboo, Koko Igbo, Ayunre, Orin Dudu Timbers please call Adeniyi for your 2x2, 2x3, 2x4, 2x6, 3x4, 1x12, my numbers is 08067586332

HsLBroker: .

HsLBroker: ikorodu roofing

HsLBroker: for your hardwood for roofing, Such as Akun, Itara, Ayin, Afara, Ara, Bamboo, Koko Igbo, Ayunre, Orin Dudu Timbers please call Adeniyi for your 2x2, 2x3, 2x4, 2x6, 3x4, 1x12, my numbers is 08067586332

HsLBroker: ..