Foundation Slabs

Manufactured from steel reinforced concrete, JKH stock a wide range of standard sizes.

These products are manufactured in accordance with BS 8415: 2018 to meet BRAMM and NAMM guidelines. A declaration of performance is available on request.

  • Standard Stock Item – Delivery 3-5 working days

Product information.

KEY FEATURES.

  • Concrete compressive testing conducted in accordance with BS EN 12390-13:2021
  • Concrete compressive strength in excess of 50N/mm2
  • All supplied with a NAMM fixing port as standard
  • Products are stocked in pallets of 14
  • Made to Order 2″ and 3″ thick slabs and special sizes are available

Ref No. Size (WxDxT) Weight Hole Distance From Front edge to Centre Options Available
Vase – A Vase – B
A2 42″ x 18″ x 3″ 90kg 12½” Namm fixing Only
B2
B2-1H
B2-3H18
B2-3H23
36″ x 18″ x 3″ 75kg
6½”
6½”
6½”
12½
12½
12½
12½”
No Hole
Single Hole
3 Hole – 18″ Centres (C)
3 Hole – 23½” Centres (C)
B3
B3-1H
B3-3H17
36″ x 15″ x 3″ 60kg
5½”
5½”
11½”
11½”
11½”
No Hole
Single Hole
3 Hole – 17″ Centres (C)
D2
D2-1H
D2-3H17
30″ x 18″ x 3″ 60kg
6½”
6½”
12½”
12½”
12½”
No Hole
Single Hole
3 Hole – 17″ Centres (C)
D3-PLAIN
D3-1H
D3-3H17
31″ x 15″ x 3″ 55kg 5″ 11″ No Hole
Single Hole
3 Hole – 17.5″ Centres (C)
E3
E3-3H17
34″ x 15″ x 3″ 62kg 5″ 11″ No Hole
3 Hole – 17.5″ Centres (C)

Request Quotation

Foundation Slabs

Ref No. Size (WxDxT) Weight Hole Distance From Front edge to Centre Options Available
Vase – A Vase – B
A2 42″ x 18″ x 3″ 90kg 12½” Namm fixing Only
B2
B2-1H
B2-3H18
B2-3H23
36″ x 18″ x 3″ 75kg
6½”
6½”
6½”
12½
12½
12½
12½”
No Hole
Single Hole
3 Hole – 18″ Centres (C)
3 Hole – 23½” Centres (C)
B3
B3-1H
B3-3H17
36″ x 15″ x 3″ 60kg
5½”
5½”
11½”
11½”
11½”
No Hole
Single Hole
3 Hole – 17″ Centres (C)
D2
D2-1H
D2-3H17
30″ x 18″ x 3″ 60kg
6½”
6½”
12½”
12½”
12½”
No Hole
Single Hole
3 Hole – 17″ Centres (C)
D3-PLAIN
D3-1H
D3-3H17
31″ x 15″ x 3″ 55kg 5″ 11″ No Hole
Single Hole
3 Hole – 17.5″ Centres (C)
E3
E3-3H17
34″ x 15″ x 3″ 62kg 5″ 11″ No Hole
3 Hole – 17.5″ Centres (C)

need technical drawings?

BIM files / CAD Drawings.

Are you an architect needing to access BIM files or CAD Drawings? If so, register to access our design portal with over 300,000 designs and technical drawings.

Request today

Can’t find what you’re looking for?

get in touch today.

We can customise headwalls to meet your specific needs. Send us your specification for a quote.

Make an enquiry

related products

Find What Fits Your Needs.

Explore our range of related products designed to complement your project and enhance performance across various applications.

© 2025 JKH Drainage. The JKH logo and Eco 1 are registered trade marks of JKH Drainage Units Limited. All Rights Reserved.

Website by