- General Information
- Buy Online
- Wind Zones
- Tie Densities
- Tie Selection
- Tie Spacing
- Installation
- PDF Download
For more information, or to buy a product online please click on the above tabs.

Crete-Tie is used for:
- For tying light weight thermal blocks to masonry bed-joints.
- Forming cavities using thin joint block construction systems.
- Tying cavities and abutting walls bed-joints to thermal blocks.
Benefits & Features:
- Quick installation
.
- Lateral flexibility overcomes any misalignment.
- Allows for close to edge fixing.
- Allows for thermal movement.
- Multi water drips.
- Easy installed through cavity insulation.
- Stress free fixing.
- Austentic 304 or 316 stainless steel.
-
Effective in tying cavity and solid walls.
- Small cross area gives good sound proofing.
Installation

1. Insert tie into support tool
.

2. Position tie
where required and level with outer mortar bed.

3. Hammer tie through insulation and into Air-Crete Block, then fit the retaining clip.

4. Embed outer tie end in mortar of outer leaf masonry.



| Size | Buy 2 | Buy 3+ | Buy 5+ | Buy 8+ |
| 100 Crete Ties 8mm x 220mm | £46.56 | £45.09 | £44.11 | £43.13 |
| 100 Crete Ties 8mm x 245mm | £51.85 | £50.21 | £49.12 | £48.03 |
| 100 Crete Ties 8mm x 270mm | £56.56 | £54.78 | £53.59 | £52.40 |
| 100 Crete Ties 8mm x 295mm | £63.16 | £61.16 | £59.83 | £58.50 |

Tie Loads & Densities
The densities and spacing |
|||
Ties per M2 |
Vertical Centres |
Horizontal Centres |
EN10088 classification |
2.5 |
450mm |
900mm |
Type 4 |
3.3 |
450mm |
675mm |
Type 3 |
5.0 |
450mm |
450mm |
Type 2 |
B.S. 5628 requires extra ties at 300mm vertical spacing's to either side of all openings. i.e. doors & window reveals
| DD 140: Part 2: 1987 Classification by end use | ||
| Classification |
Type of structure and frequency of tying | Geographical location |
| Type 1. (Masonry: Heavy duty) |
Suitable for most masonry cavity walls. Not very flexible and should not be specified where large adjustments are likely to be needed during construction, where large differential movements are expected to take place between the leaves, or where very low strength masonry units are in use |
Suitable for buildings anywhere in the British Isles, i.e. where the basic wind speed may be up to 56 m/s (see wind zones) |
| Type 2. (Masonry: General purpose) | Suitable for masonry cavity walls of domestic houses and small commercial buildings of up to three storeys, i.e. not greater than 15 m in height, comprising two leaves of brick or block work of similar thickness in the range 90 mm to 150 mm. May be suitable for cavity walls having leaves of disparate thickness or stiffness or for cladding walls in high rise buildings, but should only be used in these situations if shown to be of adequate performance by calculation |
Suitable for buildings anywhere in the British Isles, i.e. where the basic wind speed may be up to56 m/s (see wind zones) |
| Type 3. (Masonry: Basic) | Suitable for masonry cavity walls of domestic houses and small commercial buildings of up to three storeys, i.e. not greater than 15 m in height, comprising two leaves of brick or block work of similar thickness in the range of 90 mm to 150 mm May be suitable for cavity walls having leaves of disparate thickness or stiffness or for cladding walls in high rise buildings, but should only be used in these situations if shown to be of adequate performance by calculation |
Suitable for buildings anywhere in England where the basic wind speed does not exceed 44 m/s or for buildings on town or city sites in areas where the basic wind speed does not exceed 52 m/s (see wind zones) |
| Type 4. (Masonry: Light duty) | Suitable only for masonry cavity walls, comprising two leaves of similar thickness in the range 90 mm to 150 mm, in box-form domestic dwellings of up to two storeys and not greater than 10 m in height Not suitable for cavity walls having leaves of disparate thickness or stiffness, for cladding walls of any type or for multi-storey structures, of more than two storeys |
|
Tie Selection
Inner Leaf Embedment |
|
Cavity Range |
90mm |
25mm to 50mm |
220mm |
50mm to 75mm |
245mm |
75mm to 100mm |
270mm |
100mm to 125mm |
295mm |
125mm to 150mm |

Tie Spacing

Crete Tie has been approved for use, by all leading light weight block manufacture’s |
|
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(1) Insert tie into support tool. |
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(2) Push front end of tie through any insulation until touching block, then measurer back 90mm from the front face of brickwork and mark support tool with tape, Position tie where required and level with outer mortar bed. |
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(3) Hammer tie through insulation and into Air-Crete Blocks. |
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(4) Embed outer tie end in mortar of outer leave masonry. |
To save the file to your computer, right click on the following link and select "save file as..."
www.wallfast.co.uk/pdf/Crete-tie.pdf






