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AestuverTM joint systems

The targeted planning of expansion or movement joints in the building structure can prevent constraining forces from occurring and damaging the structure. These joints between building components must be sealed with flexible materials. These absorb the movement of the joints, ensure they are sealed and maintain the fire resistance. Aestuver offers high-performance fire protection joint systems for tunnels.

Fire protection cladding set in concrete                   Independently fixed fire protection cladding

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Expansion joint with Aestuver™ joint cord T

1. Fire protection cladding set in concrete                                               piAestuver® fire-protection board T

2.  Fixing of fire protection cladding                                                             iisFixings: Nail anchors         
                                                                                                                       3. 
Tunnel sealing*   

 4. Fire protection joint: Aestuver™ joint cord T                                           

* To protect the tunnel sealing, a noncom bustible mineral wool can be integrated (optional).

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Expansion joint with Aestuver™ joint cord T

1. Fire protection cladding set in concrete                                               piAestuver® fire protection board Tx

2.  Fixing of fire protection cladding                                                             iisFixings: Nail anchors         
                                                                                                                       3. 
Tunnel sealing*   

 4. Fire protection joint: Aestuver™ joint cord T                                          

* To protect the tunnel sealing, a noncom bustible mineral wool can be integrated (optional).


Fire protection cladding set in concrete          Fire protection cladding set in concrete       Independently fitted fire protection
cladding (Version 1)                                                cladding  (Version 2)                                           cladding

sliding-joint-fire-protection

Expansion joint with sliding cover detail

1. Fire protection cladding set in concrete
iiiiAestuver® fire protection board T

2. Fixing of fire protection cladding            iiiiFixings: Nail anchors 

3. Tunnel sealing*

4. Expansion joint cover:                               iiiAestuver® fire protection board T

5. Fixing of slide structure                      iiiiFixings: Nail anchors
 

* To protect the tunnel sealing, a noncombustible mineral wool can be integrated (optional).
expansion-joint-sliding-cover-fire-protection-boards

Expansion joint with sliding cover detail

1. Fire protection cladding set in concrete
iiiiAestuver® fire protection board T

2. Fixing of fire protection cladding            iiiiFixings: Nail anchors 

3. Tunnel sealing*

4. Expansion joint cover:                               iiiAestuver® fire protection board Tx

5. Fixing of slide structure                      iiiiFixings: Screws

expansion-joint-sliding-cover-fire-protection-Aestuver-Tx-boards

Expansion joint with sliding cover detail

1. Independently fittet fire protection cladding
iiiiAestuver® fire protection board Tx

2. Fixing of fire protection cladding            iiiiFixings: Nail anchors 

3. Tunnel sealing*

4. Expansion joint cover:                               iiiAestuver® fire protection board Tx

5. Fixing of slide structure                      iiiiFixings: Nail anchors

* To protect the tunnel sealing, a noncombustible mineral wool can be integrated (optional).


Independently fitted fire protection cladding          Retrofitted fire protection cladding

tunnel-joint-fire-protection-masticExpansion joint with joint compound

1. Independently fitted fire protection cladding

  Aestuver® fire protection board Tx

2. Additional fixing in the expansion joint area
    Fixings: Nail anchors

3. Tunnel sealing

4. Joint backing
    Mineral wool

5. Fire protection joints
    Fire protection sealant

tunnel-joint-fire-protection-mastic-claddingExpansion joint with joint compound

1. Independently fitted fire protection cladding

  Aestuver® fire protection board Tx

2. Additional fixing in the expansion joint area
    Fixings: Nail anchors

3. Tunnel sealing

4. Joint backing
    Mineral wool

5. Fire protection joints                                                                          iiiiAestuver™ fire protection mastic
 


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