NBS specifications

The NBS Building / NBS Landscape specification clause which relates to armoured joints is:

  • E40 – Designed joints in in-situ concrete

The following specification text can be used - inserting the Permaban product of your choice where xxxxx is shown.

E40 – designed joints in in-situ concrete

GENERAL REQUIREMENTS
110 ACCURACY:  All joints to be accurately located, straight and well-aligned, and truly vertical or horizontal or parallel with the setting out lines of the building.

120 CONSTRUCTION/MOVEMENT JOINTS: (LOCATIONS TO BE DETERMINED BY SPECIALIST SLAB SUBCONTRACTOR)
All formed joints in slabs to be left as a power trowelled self finish.  Joints are to be formed using the Permaban xxxxxarmoured joint by RCR Flooring Products Ltd.
Form joints accurately to detail and in locations shown on the drawings.  If modifications to any joint design or location are necessary on site, agree revisions with the engineer before proceeding.
Do not allow concrete to enter any gaps or voids in the formwork or to render the movement joints ineffective.
Do not allow concrete to impregnate or penetrate any materials used as compressible joint filters.

210 FORMED JOINTS:  Joints are to be formed using the Permaban xxxxx armoured joint by RCR Flooring Products Ltd.
Form joints accurately to detail and in locations shown on the drawings.  If modifications to any joint design or location are necessary on site, agree revisions with the engineer before proceeding.

As joints open, Rocland Roc Joint PU 920/925 joint sealant may be applied to the joint gap.

Please follow this link for specification text for Rocland surface hardeners.

Uniclass 2015 system

Uniclass 2015 is a unified classification system which embraces all elements of a construction project and is used for BIM projects.

 

Armoured joints (such as AlphaJoint Classic 4010, Permaban Wave, Permaban Signature, etc) may be specified under:

Pr_35_90_15_04.  The NBS code is 45-75-42/450 Armoured joints.

 

Strip movement joints (such as Permasteel) may be specified under:

Pr_35_90_53_86.  The NBS code is 45-75-50/410 Strip movement joints.

Pr_35_90_31_66.  The NBS code is 45-75-25/340 Preformed strip joints to screeds.

Ss_20_80_60.  Permanent formwork systems.

 

Dowels may be specified under:

Pr_20_29_23_52.  The NBS code is 45-50-20/325 Metal dowels, pins and rods.

 

Dowel bar sleeves may be specified under:

Pr_20_29_29_23.  The NBS code is 45-75-42/410 Plastics dowel sleeve.

 

Joint sealants may be specified under:

Pr_30_31_76_65.  The NBS code is 45-55-75/340 Polyurethane construction joint sealants.

 

 

Please click here for specification text for Rocland surface hardeners

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