Builder packages for supply lines
More and more utility companies are shifting the responsibility for professional sealing between the building entry and the building structure to the building owner or developer. However, it is often difficult to select products that comply with the various regulations. This is why DOYMA, in cooperation with many utility companies, has developed a standard that greatly simplifies the sometimes difficult selection of products and covers most applications. With our specially tailored builder packages, you are always on the right side, save valuable time and can concentrate on your actual work.
Rely on Plus 4 x now:
- Proven radon-safe.
- Pre-assembled trades.
- 25-year guarantee.
- Trades loss-proof.