YES! A SIP Structure can be modified.

Structural Insulated Panels (SIPs) have emerged relatively recently in the UK construction industry, which may contribute to a limited understanding of how to modify these types of buildings. However, our team is available to assist with adapting any of our previous projects to suit your changing requirements. Whether you need more space for a growing family, want to add a home office, or require a garage, the options for modifying your structure are quite flexible.

We maintain a comprehensive record of our previous designs, which enables us to pinpoint specific structural elements when necessary. Depending on the building’s design and the particular SIP system in use, our trained professionals can effectively manage alterations to the SIP external walls. For example, transforming a window into a door involves cutting out the panel beneath the window and finishing the area, making it relatively straightforward to create new openings or expand existing ones. However, careful attention must be given to removing the ‘sole plate’ and managing the reveal details.

In situations where the floor system features a ring beam to support the floor joists, installing lintels within the panels is usually not required. This allows for modifications to openings without needing to add structural components such as new lintels or beams. If lintels are already in place above certain openings, they will be supported by cripple studs on each end, and new lintels or supporting studs must be installed when altering the opening.

The floor joists and roof trusses in SIP buildings are similar to those in timber frame and masonry construction. Many internal walls consist of non-load-bearing timber studwork, which can often be modified or removed with little impact on the overall integrity of the structure. It is crucial to identify any internal load-bearing walls prior to making changes.

When altering or removing timber studs, similar to masonry construction, it becomes necessary to install lintels or beams to support the overhead structure where sections of the wall have been taken out. To ensure proper bearing support for these beams at their ends, additional timber studs or posts will be placed to transfer loads down to the foundation. Fortunately, in addition to our project history, our erectors possess the specialized skills essential for these modifications.