Advanced Construction Systems

U-Boot Voided Slab System

Permanent recycled-plastic formwork for lightweight cast-in-place biaxial concrete slabs and rafts.

U-Boot® Beton creates internal voids in reinforced concrete zones where shear demand is low. The system supports efficient flat slabs and rafts with lower structural self-weight, large-span potential, flat soffits, and reduced concrete and steel demand compared with conventional solid solutions. Vertex Siadar supplies the system and coordinates product selection and project requirements with the engineering team.

Details & specifications

✓Application: Cast-in-place biaxial voided slabs and rafts

✓Material: Recycled polypropylene permanent formwork

✓Benefits: Lower self-weight, flat soffit, large-span potential

✓Service: Supply and technical project coordination

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U-BOOT® BETON

U-Boot® Beton technical data

Available dimensions, volumes, and pallet data for coordinating project requirements.

01 / SINGLE

U-Boot® Beton Single

10 available sizes

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Height H (cm)	Dimensions (cm)	Foot height p (cm)	Weight per piece (kg)	Piece volume (m³)	Pallet dimensions (cm)	Pallet pieces (pcs/PAL)	Pallet weight (kg/PAL)
H 10 cm	52 × 52	0-5-6-7-8-9-10	1,395	0,0213	110 × 110 × 247	720	1.107
H 13 cm	52 × 52	0-5-6-7-8-9-10	1,406	0,0280	110 × 110 × 212	600	857
H 16 cm	52 × 52	0-5-6-7-8-9-10	2,044	0,0350	110 × 110 × 254	440	912
H 18 cm	52 × 52	0-5-6-7-8-9-10-12	1,784	0,0396	110 × 110 × 249	440	798
H 20 cm	52 × 52	0-5-6-7-8-9-10	1,644	0,0430	110 × 110 × 236	460	769
H 22 cm	52 × 52	0-5-6-7-8-9-10-12	1,882	0,0470	110 × 110 × 253	440	841
H 24 cm	52 × 52	0-5-6-7-8-9-10-12	2,033	0,0513	110 × 110 × 254	440	908
H 25 cm	52 × 52	0-5-6-7-8-9-10	1,849	0,0518	110 × 110 × 249	440	827
H 26 cm	52 × 52	0-5-6-7-8-9-10-12	2,044	0,0550	110 × 110 × 249	420	871
H 28 cm	52 × 52	0-5-6-7-8-9-10-17	2,152	0,0562	110 × 110 × 236	400	874

02 / DOUBLE

U-Boot® Beton Double

31 available sizes

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Height H (cm)	Dimensions (cm)	Foot height p (cm)	Piece volume (m³)	Composed of (H cm)
Height H (cm)	Dimensions (cm)	Foot height p (cm)	Piece volume (m³)	U-Boot UP	U-Boot DOWN
H 20 cm	52 × 52	0-5-6-7-8-9-10-15	0,0426	10	10
H 23 cm	52 × 52	0-5-6-7-8-9-10-15	0,0493	13	10
H 26 cm	52 × 52	0-5-6-7-8-9-10-15	0,0563	13*	13*
H 28 cm	52 × 52	0-5-6-7-8-9-10-15	0,0609	18	10
H 29 cm	52 × 52	0-5-6-7-8-9-10-15	0,0630	16	13
H 30 cm	52 × 52	0-5-6-7-8-9-10-15	0,0643	20	10
H 31 cm	52 × 52	0-5-6-7-8-9-10-15	0,0676	18	13
H 32 cm	52 × 52	0-5-6-7-8-9-10-15	0,0700	22*	10*
H 33 cm	52 × 52	0-5-6-7-8-9-10-15	0,0710	20	13
H 34 cm	52 × 52	0-5-6-7-8-9-10-15	0,0746	24*	10*
H 35 cm	52 × 52	0-5-6-7-8-9-10-15	0,0750	22*	13*
H 36 cm	52 × 52	0-5-6-7-8-9-10-12-15	0,0792	26*	10*
H 37 cm	52 × 52	0-5-6-7-8-9-10-15	0,0793	24	13
H 38 cm	52 × 52	0-5-6-7-8-9-10-12-15	0,0826	25*	13*
H 39 cm	52 × 52	0-5-6-7-8-9-10-15	0,0830	26	13
H 40 cm	52 × 52	0-5-6-7-8-9-10-12	0,0866	22*	18*
H 41 cm	52 × 52	0-5-6-7-8-9-10-15	0,0868	28*	13*
H 42 cm	52 × 52	0-5-6-7-8-9-10-12	0,0909	24*	18*
H 43 cm	52 × 52	0-5-6-7-8-9-10-12	0,0914	25	18
H 44 cm	52 × 52	0-5-6-7-8-9-10-12	0,0946	26*	18*
H 45 cm	52 × 52	0-5-6-7-8-9-10	0,0948	25	20
H 46 cm	52 × 52	0-5-6-7-8-9-10-12	0,0983	24*	22*
H 47 cm	52 × 52	0-5-6-7-8-9-10-12	0,0988	25	22
H 48 cm	52 × 52	0-5-6-7-8-9-10-12	0,1026	24*	24*
H 49 cm	52 × 52	0-5-6-7-8-9-10-12	0,1031	25	24
H 50 cm	52 × 52	0-5-6-7-8-9-10-12	0,1063	26*	24*
H 51 cm	52 × 52	0-5-6-7-8-9-10	0,1068	26	25
H 52 cm	52 × 52	0-5-6-7-8-9-10-12	0,1075	28	24
H 53 cm	52 × 52	0-5-6-7-8-9-10	0,1080	28	25
H 54 cm	52 × 52	0-5-6-7-8-9-10-12	0,1112	26	28
H 56 cm	52 × 52	0-5-6-7-8-9-10-17	0,1124	28	28

i* Due to production requirements, the stated data may be modified.