Title:
ROOF WATERPROOF STRUCTURE
Document Type and Number:
Japanese Patent JP2023031466
Kind Code:
A
Abstract:
To fix a new waterproof sheet with high fixing strength while suppressing falling of cutting dust into an indoor side when repairing to keep an indoor environment proper.SOLUTION: A roof waterproof structure 1 comprises: a first fixing steel plate 12 arranged between a board 11 and a roof substrate 10; a second fixing steel plate 13 arranged on the board 11; a fixing metal fitting 14 arranged on the second fixing steel plate 13; a first fastening material 23 fixing the fixing metal fitting 14 to the second fixing steel plate 13; and a waterproof sheet 15 fixed to the fixing metal fitting 14. The second fixing steel plate 13 is provided with a repair fixing portion 13c for fixing a repair fixing metal fitting 30 to which a repair waterproof sheet 31 that is different from the waterproof sheet 15 is fixed.SELECTED DRAWING: Figure 3
Inventors:
HAYAKAWA SATOSHI
KITAJIMA SADAKI
NIIYA TAKUMI
KITAJIMA SADAKI
NIIYA TAKUMI
Application Number:
JP2021136966A
Publication Date:
March 09, 2023
Filing Date:
August 25, 2021
Export Citation:
Assignee:
HAYAKAWA RUBBER
International Classes:
E04D5/14; E04D5/00
Attorney, Agent or Firm:
Patent Attorney Corporation Maeda Patent Office