About TOMITA YUTAKA
About 日本プロロング
About 月刊防水ジャーナル
About multiple dwelling house
About water proof
About concrete slab
About impregnating agent
About roof floor
About silicate
About degradation (alteration)
About durability
About external wall
About crack
About impregnant
About Residential buildings,rural buildings,castles
About Maintenence and management of buildings
About Water-proofing,damp-proofing of buildings
About 長期耐久性
About 含浸材
About 経年劣化
About 状況
About 調査
About けい酸塩
About 集合住宅
About コンクリート表面