Slab Accessories

Crack Inducers
Rigid PVC extrusions for use in contraction and warping joints in concrete slabs.

Ref Depth(mm) Length(M)
Top type (used as one or two piece)
CT 50 50 5
CT 75 75 55
Bottom Y type
BY 40 40 5
BY 75 75 5

Void Formers
A re-usable PVC void former for forming grooves in concrete or nailing to formwork. All supplied in 3 metre lengths.

Ref Size(mm)
VF 20×20 20×20
VF 25×25 25×25
VF 20×10 20×10
VF 20×12 20×12

Joint Filler Board
Woodfibre joint filler board impregnated with bitumen emulsion. For use in expansion and separation joints.

Ref Size(mm)
JFB 100/12 2440x100x12
JFB 150/12 2440x150x12
JFB 200/12 2440x200x12
JFB 250/12 2440x250x12
JFB 150/20 2440x150x20
JFB 200/20 2440x200x20
JFB 250/20 2440x250x20
JFB 150/25 2440x150x25
JFB 200/25 2440x200x25
JFB 250/25 2440x250x25

Foam Fillerboards
A closed cell polythene foam for use as Fillerboard in all types of joints including Concrete floor slabs and brickwork. Available in 10m coils supplied with perforated tear off strip.

Ref Size Ref Size
FFB 100×10 100×10 FFB 125X15 125×15
FFB 125×10 125×10 FFB 150X15 150×15
FFB 150X10 150×10 FFB 175X15 175×15
FFB 200X10 200×10 FFB 200X15 200×15
FFB 100X12 100×12 FFB 125X20 125×20
FFB 125X12 125×12 FFB 150X20 150×20
FFB 150X12 150×12 FFB 175X20 175×20
FFB 200X12 200×12 FFB 200X20 200×20

Screedrail
The most up to date and economical method of slab construction available to the contractor. Screedrail is manufactured in reinforced concrete with a material strength of 50 N/mm2. It comes in a range of heights to suit any thickness of slab under construction. The adopted profile allows for maximum bond between adjacent bays with holes provided for the insertion of dowel bars.

Ref Height (mm) Length (M) Slab Thickness (mm)
RCSR 50 50 3 N/A
RCSR 100 100 3 125 – 150
RCSR 150 150 3 175-250

Metal top screedrail
An ideal Screedrail for use where a super flat floor finish is required. This rail is a combination of concrete with a galvanized steel top inset.

Ref Height (mm) Length (M)
RSMR 65 3.900
RSMR 90 3.900
RSMR 115 3.900
RSMR 140 3.900
RSMR 165 3.900

Waxed Cardboard Bolt Boxes
Foundation bolt boxes to form cavities in foundations for holding down bolts.

Ref Length mm (ins) Approx. diameter (mm)
    Top Bottom
CB1 229 (9) 70 20
CB2 305 (12) 92 20
CB3 380 (15) 108 25
CB4 457 (18) 114 30
CB5 534 (21) 118 30
CB6 610 (24) 113 30

Polystyrene Bolt Boxes
Foundation bolt boxes to form cavities in foundations for holding down bolts.

Ref Size Length mm (ins)
PC1 8 Tapering from
100mm With 25mm
diameter hole.
203 (8)
PC2 9 229 (9)
PC3 12 305 (12)
PC4 15 380 (15)
PC5 18 457 (18)
PC6 21 534 (21)
PC7 24 610 (24)

Holding Down Bolts
Holding down bolt assemblies comprising of a bolt, washer plate (100mm x 100mm x 6mm), nut and washer with a range from 16mm to 30mm diameter and lengths from 200mm to 600mm depending on type. Available in either grade 4.6 or 8.8 material or with washer plates of 8mm or 10mm thickness.

Building Films – Specialist Use
Damp proof membrane for use in ground floor and road slabs. Blue tinted.

Ref Width (M) Length (M) Thick (mu) Gauge Roll Weight (kg)

PIFA Standard

DPMP 250 4 25 250 1000 23
DPMP 300 4 25 300 1200 27.6
DPMP 500 4 12.5 500 2000 23

BBA Standard

DPM 250 4 25 250 1000 23
DPM 300 4 25 300 1200 27.6

Building regulations standard

DPMS 300 4 25 300 1200 27.6

Plastic Screed Chairs
Manufactured from plastic, fully adjustable, ideal for light duty applications. For use with a 50mm diameter pole.

Ref Part
SCS Saddle
SCC Collar
SCB Base

Building Films – Specialist Use
Damp proof membrane for use in ground floor and road slabs. Blue tinted.

Ref Height (mm) Slab thickness (mm) Pack Qty
Stirrup Base      
MSCS100 MSCB65 65 120-150 1
MSCS125 MSCB90 90 150-200 1
MSCS175 MSCB140 140 200-300 1