TAISEI | Request/inquiry

Sales of preformed expansion joint fillers (OFF-CON, EXPANTAY) as well as anti-disaster aluminum die cast roof tiles.

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TAISEI’s challenges

We are carrying out various activities
for the global environment and society
Aluminum Die Cast Roof Tiles

Earthquake-proof, 100-year durable
roof tiles for the 21st century
EXPANTAY

Beautiful, functional, and labor-
saving ideal joint fillers
L-Shaped Aluminum Sheet Angles

Completely blocks entry of rain-
water into waterproof layers
Anchor Plugs

Dramatically improves waterproof
effects of various types of flashing
HAITENGA

Waterproofing by simple coating
on any material