TROCAL provides several 88 mm variants for its PVC-U centre seal and residential door systems.
Window & residential door systems : 88 mm systems
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TROCAL 88 Centre Seal
A centre seal system not only has an internal and external weather seal, but also features a third sealing level that is fitted at the centre of the outer frame and is therefore invisible. This safeguards better thermal insulation values.
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TROCAL 88 Residential Door
In addition to its window and balcony, terrace, sliding, and lift/sliding door systems, TROCAL also offers a wide range of PVC-U residential door variants.