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	CONCRETE BLOCKS
		Dense concrete blocks
		Hollow and cellular
		Fibotherm insulating blocks
		Stowlite lightweight blocks
		Midi blocks
		MACRO blocks
		Generation 2 MACRO blocks
		T-joist first floor profile blocks
		Soap bar blocks, coursing and slip bricks
		Design your own block
		Padstones
		T-Joist first floor recessed profile blocks
		Foundation (trench) blocks

	PAVING SLABS
		Commercial slabs
		Patio paving and wet cast edgings
		Tactile and patterned paving
		Vintage/traditional and decorative
		Permeable paving

	KERBS, EDGINGS & CHANNELS
	KERBS, EDGINGS & CHANNELS

	FLOORING
		T-joist flooring
		Hollowcore flooring
		Flooring blocks
		Accessories
		On-site instructions for pre-cast joists
		On-site instructions for pre-cast hollowcore flooring planks

	FLOORING SOLUTIONS
	For separating floors to help satisfy Robust details part E
		E-FC-1, 4 and 5
		E-FC-8, 9 and 11
		E-FC-1(RSC) and 9(RSC)
		E-FC-6 and 7
	For domestic floors
		D1, D2 and D5
		D3 and D4
	For ground floors to help satisfy Part L
		L1, L2, L3 and L4

	PRE-CAST CONCRETE LINTELS
	PRE-CAST CONCRETE LINTELS

	EDGING, COPING, BOLLARDS AND PILLAR CAPS
	EDGING, COPING, BOLLARDS AND PILLAR CAPS
		Edging, bollards & pillar caps
		Wall coping

	FENCING
		Fencing products
		Semi-dry economy fencing
		Portable post bases
		Concrete barriers

Robust details E-FC-8, E-FC-9 and E-FC-11

Stowell solutions for separating floors to help satisfy Robust Details part E

ROBUST DETAILS E-FC-8

• precast concrete plank • screed laid on isolating layers • bonded resilient floor cover
Floor covering	4.5mm (min) bonded resilient covering
Screed	65mm (min) sand/cement screed, or 40mm (min) proprietary screed, nominal 80kg/m² (min) mass per unit area
Isolating layer 1	5mm formed polythene layer 30-36kg/m³
Isolating layer 2	25mm mineral wool batt 140kg/m² (min), 25mm EPS (flooring grade SD) or extruded polystyrene insulation
Structural floor	150mm (min) precast structural plank 300kg/m² (min) mass per unit area (Stowell Hollowcore HC 300 – 155mm deep, 320kg/m²)
Ceiling	CT0 metal ceiling system providing 150mm (min) ceiling void with one layer of nominal 8kg/m² gypsum-based board.
Diagram shows CT0 type ceiling treatment.

ROBUST DETAILS E-FC-9

• precast concrete plank • screed • 3mm Thermal Economics IsoRubber top
Floor covering	3mm Thermal Economics IsoRubber top (bonded with isobond adhesive)
Screed	65mm (min) sand/cement screed, or 40mm (min) proprietary screed, nominal 80kg/m² (min) mass per unit area
Structural floor	150mm (min) precast structural plank 300kg/m² (min) mass per unit area (Stowell Hollowcore HC 300 – 155mm deep, 320kg/m²)
Ceiling	CT0 metal ceiling system providing 150mm (min) ceiling void with one layer of nominal 8kg/m² gypsum-based board.
Diagram shows CT0 type ceiling treatment.

ROBUST DETAILS E-FC-11

• precast concrete plank • screed laid on Tranquilt^® resilient layer
Screed	65mm (min) sand/cement screed, or 40mm (min) proprietary screed, nominal 80kg/m²(min) mass per unit area
Resilient layer	10mm Icopal-Monarfloor Tranquilt^®
Structural floor	150mm (min) precast structural plank 300kg/m² (min) mass per unit area (Stowell Hollowcore HC 300 – 155mm deep, 320kg/m²)
Ceiling	CT0 metal ceiling system providing 150mm (min) ceiling void with one layer of nominal 8kg/m² gypsum-based board.
Diagram shows CT0 type ceiling treatment.

Robust Details are construction solutions which provide an alternative to pre-completion sound testing as a method of complying with Part E (resistance to the passage of sound) of the Building Regulations (England and Wales). Stowell concrete products enable builders to meet these regulations – provided the correct treatments are followed – when constructing new-build attached dwellings, flats and apartments.

A synopsis of the construction treatments is provided above, with full details available from Robust Details Ltd (telephone 0870 240 8209 or www.robustdetails.com).

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Hollowcore layout and load tables

To satisfy Robust Details E-FC-8, E-FC-9, and E-FC-11

A floor layout arrangement using Stowell HC300 planks

clear span... 4400mm

1150mm

3950mm

stairs
by
others

plank lengths... 4600mm

1350mm

4150mm

section: D-D

section: G-G

section: D-D

section: M-M

section: G-G

section: P-P

Stowell hollowcore flooring units are produced in the standard 155mm x 600mm section to a selection of lengths ranging from 1.2 metres to a usefully long 7.0 metres – available in increasing increments of 50mm.

This table refers to simple, uniformly distributed loads and is only a guide...

HC 300 three core	Loadings in kN/m²
Imposed live load	1.5	2.0	2.5	3.0	3.5	4.0	5.0	7.5
Partition allowance	0.5	0.5	1.0	1.0	1.0	-	-	-
Finishes & ceilings	0.3	0.3	0.3	0.3	0.3	0.15	0.15	0.15
	Max clear span in metres
8mm reinforced type A	3.80	3.75	3.55	3.50	3.45	3.50	3.35	3.10
10mm reinforced type B	4.10	4.00	3.80	3.75	3.70	3.75	3.60	3.35
12mm reinforced type C	4.25	4.15	4.00	3.90	3.85	3.90	3.80	3.50
16mm reinforced type D	4.40	4.30	4.15	4.05	4.00	4.10	3.95	3.65

CONCRETE BLOCKS

PAVING SLABS

FLOORING

FLOORING SOLUTIONS

For separating floors to help satisfy Robust details part E

For domestic floors

For ground floors to help satisfy Part L

EDGING, COPING, BOLLARDS AND PILLAR CAPS

FENCING

Robust details E-FC-8, E-FC-9 and E-FC-11

Stowell solutions for separating floors to help satisfy Robust Details part E

ROBUST DETAILS E-FC-8

• precast concrete plank • screed laid on isolating layers • bonded resilient floor cover

Floor covering

4.5mm (min) bonded resilient covering

Screed

65mm (min) sand/cement screed, or 40mm (min) proprietary screed, nominal 80kg/m2 (min) mass per unit area

Isolating layer 1

5mm formed polythene layer 30-36kg/m3

Isolating layer 2

25mm mineral wool batt 140kg/m2 (min), 25mm EPS (flooring grade SD) or extruded polystyrene insulation

Structural floor

150mm (min) precast structural plank 300kg/m2 (min) mass per unit area (Stowell Hollowcore HC 300 – 155mm deep, 320kg/m2)

Ceiling

CT0 metal ceiling system providing 150mm (min) ceiling void with one layer of nominal 8kg/m2 gypsum-based board.

Diagram shows CT0 type ceiling treatment.

ROBUST DETAILS E-FC-9

• precast concrete plank • screed • 3mm Thermal Economics IsoRubber top

Floor covering

3mm Thermal Economics IsoRubber top (bonded with isobond adhesive)

Screed

65mm (min) sand/cement screed, or 40mm (min) proprietary screed, nominal 80kg/m2 (min) mass per unit area

Structural floor

150mm (min) precast structural plank 300kg/m2 (min) mass per unit area (Stowell Hollowcore HC 300 – 155mm deep, 320kg/m2)

Ceiling

CT0 metal ceiling system providing 150mm (min) ceiling void with one layer of nominal 8kg/m2 gypsum-based board.

Diagram shows CT0 type ceiling treatment.

ROBUST DETAILS E-FC-11

• precast concrete plank • screed laid on Tranquilt® resilient layer

Screed

65mm (min) sand/cement screed, or 40mm (min) proprietary screed, nominal 80kg/m2 (min) mass per unit area

Resilient layer

10mm Icopal-Monarfloor Tranquilt®

Structural floor

150mm (min) precast structural plank 300kg/m2 (min) mass per unit area (Stowell Hollowcore HC 300 – 155mm deep, 320kg/m2)

Ceiling

CT0 metal ceiling system providing 150mm (min) ceiling void with one layer of nominal 8kg/m2 gypsum-based board.

Diagram shows CT0 type ceiling treatment.

To satisfy Robust Details E-FC-8, E-FC-9, and E-FC-11

A floor layout arrangement using Stowell HC300 planks

clear span... 4400mm

1150mm

3950mm

stairs by others

plank lengths... 4600mm

1350mm

4150mm

section: D-D

section: G-G

section: D-D

section: M-M

section: G-G

section: P-P

Stowell hollowcore flooring units are produced in the standard 155mm x 600mm section to a selection of lengths ranging from 1.2 metres to a usefully long 7.0 metres – available in increasing increments of 50mm. This table refers to simple, uniformly distributed loads and is only a guide...

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Stowell Concrete Limited, Arnolds Way, Yatton Bristol BS49 4QN Tel: 01934 834000 Fax: 01934 835474 Email: sales@stowellconcrete.co.uk

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site design: carn gerrish creative

• precast concrete plank
• screed laid on isolating layers
• bonded resilient floor cover

65mm (min) sand/cement screed, or 40mm (min) proprietary screed, nominal 80kg/m² (min) mass per unit area

5mm formed polythene layer 30-36kg/m³

25mm mineral wool batt 140kg/m² (min), 25mm EPS (flooring grade SD) or extruded polystyrene insulation

150mm (min) precast structural plank 300kg/m² (min) mass per unit area (Stowell Hollowcore HC 300 – 155mm deep, 320kg/m²)

CT0 metal ceiling system providing 150mm (min) ceiling void with one layer of nominal 8kg/m² gypsum-based board.

• precast concrete plank • screed
• 3mm Thermal Economics IsoRubber top

65mm (min) sand/cement screed, or 40mm (min) proprietary screed, nominal 80kg/m² (min) mass per unit area

Structural
floor

150mm (min) precast structural plank 300kg/m² (min) mass per unit area (Stowell Hollowcore HC 300 – 155mm deep, 320kg/m²)

CT0 metal ceiling system providing 150mm (min) ceiling void with one layer of nominal 8kg/m² gypsum-based board.

• precast concrete plank
• screed laid on Tranquilt^® resilient layer

65mm (min) sand/cement screed, or 40mm (min) proprietary screed, nominal 80kg/m²(min) mass per unit area

Resilient
layer

10mm Icopal-Monarfloor Tranquilt^®

Structural
floor

150mm (min) precast structural plank 300kg/m² (min) mass per unit area (Stowell Hollowcore HC 300 – 155mm deep, 320kg/m²)

CT0 metal ceiling system providing 150mm (min) ceiling void with one layer of nominal 8kg/m² gypsum-based board.

stairs
by
others

Stowell hollowcore flooring units are produced in the standard 155mm x 600mm section to a selection of lengths ranging from 1.2 metres to a usefully long 7.0 metres – available in increasing increments of 50mm.

This table refers to simple, uniformly distributed loads and is only a guide...

Stowell Concrete Limited, Arnolds Way, Yatton Bristol BS49 4QN
Tel: 01934 834000 Fax: 01934 835474 Email: sales@stowellconcrete.co.uk