1.Where is the best place to check for a roof leak?
1.检查屋顶漏水的最佳位置是哪里？
2.What is a purlin used for?
2.檩条的用途是什么？
3.Where are reglet and counter flashing used together?
3.挡水板和反闪板在哪些情况下一起使用？
4.What\'s the best fastener for composite shingles?
4.复合瓦片的最佳紧固件是什么？
5.In which direction do hip jack rafters run?
5.斜椽的走向是？
6.What\'s the minimum overlap for roll roofing?
6.卷状屋面材料的最小搭接宽度是多少？
7.What should you do before cutting a truss\'s bottom chord?
7.切割桁架下弦杆前应采取什么措施？
8.Which roofing material is used for flat roofs?
8.平屋顶使用哪种屋顶材料？
9.How deep should nails be driven into the sheathing for asphalt shingles?
9.沥青瓦钉子应打入衬板多深？
10.What is a collar beam?
10.什么是系梁？
