Common ball knowledge

1. 收口 (= Using sealant to patch up gaps from water/dust)
2. 玻璃膠 (=矽酮密封膠 / Silicon Sealant)

Common Equipments

Bathroom

Bathroom must-knows

1. 地漏 (= The (metal) drainagе hole in the shower)
   • ref vid.
   • Location:
   • 長地漏 : Very prone to water leakage, 10 out of 10 people will suffer.
   • 短地漏 :
2. Metal screws in bathroom racks = prone to rusting (need a casing), otherwise hard to remove in 1 year.
3. 隔氣 (P-Trap / U-Trap / S-Trap) = prevent sewer gas from entering the house
   • ref doc
   • Types:
     • U型隔氣 (usually for: 地台、企缸)
     • S型隔氣 (usually for: 座廁)
     • P型隔氣 (usually for: 座廁)
     • 樽型隔氣 (usually for: 洗手盆、浴缸)
   • Installation: ref docs
   • Issues
     • 1. 企缸頂氣
4. 牛奶水/英泥寶/立邦英泥霸/砂漿界面劑 (= for 防水/防止出現滲漏)
   • what is it? *Ans: 一種環保型單組分聚合物防水及英泥添加劑*
   • Purchase: hk tv mall
   • brands
     • 袋鼠牌 英泥寶 (1加侖) 牛奶水 $150
   • Usage:
     • Method 1: 防水砂漿：9公升英泥寶 ＋50公斤水泥 ＋150公斤沙＋10公升水
       • for:
         • 1.屋頂、地牢、停車場、水缸、大廈內外牆之防水。
         • 2.涅凝土修補，
         • 3.雲石、磚砌工程之粘合用途。
5. 地台去水 = Meaning water drainage from the floor (e.g. Toilet bowl, shower, sink…)