---
title: "I. Services access cavities"
url: https://formtechsys.com/protip15/
description: "Installation guide step: I. Services access cavities. Cutting and sealing service openings."
published: 2026-08-17
updated: 2026-08-17
---

# I. Services access cavities

Published 2026-08-17

[Formtech](https://formtechsys.com/) › [Installation guide](https://formtechsys.com/protips/) › I. Services access cavities

Cutting and sealing service openings.

Services access cavities are cut through the blocks with a saw, utility knife or hot knife. Then service pipes or sleeves are placed in the openings. Gaps should be foamed to prevent leakage.