Available Sizes
Concrete Safety Data Sheet
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© Ibstock Plc. 2026
Product Description
Cast Stones Keystones replicate Natural Stone Keystones above windows and doors and are often used with our Structural and Decorative Heads; especially where the Decorative Head is in two pieces.
All Cast Stone products are UKCA/CE marked where appropriate.
Please contact our team for Declaration of Performance. Email [email protected]
Get in Touch
To speak to a member of our sales team call 0333 234 3434 - opt.1, opt. 3, or send an enquiry.
Available Sizes
| Code | Chamfered | A | B | C | D | E | F | Weight (Kg) |
|---|---|---|---|---|---|---|---|---|
| K1 | No | 265 | 215 | 165 | 150 | 65 | - | 9 |
| K2 | No | 305 | 290 | 165 | 150 | 65 | - | 13 |
| K3 | No | 346 | 365 | 165 | 150 | 65 | - | 17 |
| CK1 | Yes | 265 | 215 | 165 | 150 | 65 | 18 | 9 |
| CK2 | Yes | 305 | 290 | 165 | 150 | 65 | 18 | 13 |
| CK3 | Yes | 346 | 365 | 165 | 150 | 65 | 18 | 16 |
Code: K1
Chamfered
No
A
265
B
215
C
165
D
150
E
65
F
-
Weight (Kg)
9
Code: K2
Chamfered
No
A
305
B
290
C
165
D
150
E
65
F
-
Weight (Kg)
13
Code: K3
Chamfered
No
A
346
B
365
C
165
D
150
E
65
F
-
Weight (Kg)
17
Code: CK1
Chamfered
Yes
A
265
B
215
C
165
D
150
E
65
F
18
Weight (Kg)
9
Code: CK2
Chamfered
Yes
A
305
B
290
C
165
D
150
E
65
F
18
Weight (Kg)
13
Code: CK3
Chamfered
Yes
A
346
B
365
C
165
D
150
E
65
F
18
Weight (Kg)
16
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