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The DepEd's answer to strong typhoons is a combination of steel truss roofing, roof framing support that uses J-bolts, thicker roofing sheets and ridge roll, thicker and more reinforcing bars or rebars for roof beams, and a drop ceiling."
Ppgi 0.40mmt x 915mmw x 5.60ml 10 pcs ga #26 x 8~~ ppgi flashing 10 pcs ga #26 x 8~~ ppgi ridge roll 24 kls roofing nails 500 pcs blind rivets 5 cans vulca seal 192 bd.ft.
* Locate roof louvers near the peak, but not so high that they interfere with the ridge roll (Photo 1).
Gi sheet x 1.75 mtrs 6 pcs ppgi ridge roll 10 pcs fascia board 1" x 10" x 14~~ 8 pcs ppgi flashing 12 pcs ppgi gutter 500 pcs 1 - 1/2" teckscrew 2 tubes silicon sealant 2 ltrs vulca seal 22 pcs 1
Rib Type Longspan Roofing : 40mm x 1090mm x 6.6m (Aqua Blue),Rib Type Longspan Roofing : 40mm x 1090mm x 6.3m (Aqua Blue), Rib Type Longspan Roofing : 40mm x 1090mmx 5.65m (Aqua Blue), 24 x 8 Ridge Roll, 24" x 8 End Facia Flusing, Endwall Flu