Yazaki Eds Wire-Harness Factory
Obayashi Corporation switched to Xypex for the main office roof at this factory after repeated repairs with the membrane system. In addition to waterproofing, the decision to select Xypex is the system offers additional protection to the concrete roof which has many shrinkage cracks due to thermal stress and its 43 m length. The previous waterproofing product used on the underground water tank failed due to the low pH content in the water.The membrane and a 5 cm thick concrete topping was removed to allow Xypex crack repair on the roof deck.The area was repaired with Xypex Patch’n Plug and Concentrate. The entire surface of the roof and gutter was then treated with a two-coat application of Xypex Concentrate and Modified.Total area treated was approximately 925 m2, and completed in February, 2001.
Prior to this, a septic tank, roofs of an office and an utility building were waterproofed with Xypex in July-August, 2000. A subterranean water tank was also repaired and treated with Xypex in November, 1997. Total area was approximately 1,217 m2 and 345 linear meters of construction joints.