KRAAB 4.0
GAPLESS SYSTEM
Perimeter solutionsThe gapless KRAAB 4.0 profile is a modernized and improved version of the already well-known and popular Kraab 3.0.

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Fabric Cutting Guidelines for the Profile
When working with this profile, it is important to account for the fabric’s high shrinkage rate — around 10%. Cutting of outer corners should be done without a radius, maintaining maximum geometric precision. For small U-shaped projections, it is recommended to artificially reduce the distance between the outer corners by 15–20% to ensure a clean and accurate installation.
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