The SORIWA Core is used in door openings as a vertical reinforcement profile. It is a square timber insert that is inserted directly into the SORIWA Multi Profile, providing additional stability and a uniform support surface for the drywall boards. This allows the SORIWA Multi Profile to serve as a replacement for a conventional UA profile.
Can be combined with:
3 m
3,5 m
4 m
x selected length
in the area of door openings as a vertical stiffening profile
This product is part of the SORIWA drywall system and is used exclusively in combination with other system components.
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Can be combined with:
Enables the SORIWA Multi Profile to replace UA-profiles
Negative carbon footprint*
Easy and secure installation
Enables steel-free drywall construction
*A1-A3 EPD-Kiwa-EE-221187-DE; in accordance with ISO 14025 and EN 15804+A2:2019
Explore the different configuration options and replace the entire stud framework of a drywall partition.
The wall properties of the SORIWA Multi-System have been specifically developed and tested to meet the key requirements for interior construction, including fire behavior, sound insulation, stability, and load-bearing capacity for console loads.
EI30 and EI60*
Up to 44.2 dB with single-
, and 52.3 dB with double paneling*
tested and passed
0.4–0.7 kN/m
s (= approx. 40–70 kg/m)
*Various wall structures tested; values apply when the exact construction type is followed.
The SORIWA Core is a precision-cut square timber insert that is inserted directly into the SORIWA Multi Profile in door openings. It provides additional stability and creates a continuous support surface for drywall boards. When used together, the system replaces a traditional UA profile – completely steel-free.
The SORIWA Core is a precision-cut timber insert that is inserted directly into the SORIWA Multi Profile – no additional fastening is required. It provides the profile with the necessary stability for door installations and, when combined with the SORIWA Multi Profile, serves the function of a traditional UA-profile. It is secured to the floor and ceiling using a bracket.
The SORIWA Core consists of kiln-dried spruce timber rough-sawn on all four sides. The wood moisture content of approximately 18% (KD) ensures dimensional stability, a precise fit, and minimal warping when used in building systems.
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