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• Structural Shielding
• X-Ray Shielding
• Panels and Partitions

• Structural Shielding
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• X-Ray Shielding
• Neutron Shielding
• MRI Shielding
• NDT Shielding
• Shielding Materials

Wardray Premise have bonded lead to plywood and plasterboard to produce panelling for radiation shielding for over 70 years.

The increased demand for lead plasterboard incorporated into dry lining systems prompted the introduction of a mechanised spray booth and laminating equipment to give greater efficiency in the production of these panels. This machinery has resulted in a dramatic increase in productivity giving significant cost savings to the customer and extremely fast deliveries on a worldwide basis.

The bonding of lead to plasterboard produces a panel particularly suited to dry lining partitions. It can be installed as an inner layer where fire rating is required or as a smooth finished surface to receive a plaster skim coat and final decoration.

For ceilings and floors, lead plywood is recommended as it has greater structural strength and is easier to handle.

• Installation
• Shielding Integrity
• Panel Installation
• Wall Panels
• Ceiling Panels
• Double Sided Panels
• Doors and Frames
• Floor Protection
• Panel Weight
• Enquiry Guide

Applying panels to an existing wall would normally require the installation of battens, a leaded version will achieve the same groundwork and the introduction of lead will give full protection to the panel joints.

For dry lining partitions in a number of differing profiles it is acceptable to introduce lead tape of a similar lead thickness to the panel. This is applied to the front face of the stud. The panels are then fixed through the tape into the stud which provides full protection to the joints.

Tests have been undertaken and confirm that using our own special screws 32mm x 3.5mm, the integrity of the shielding will not be affected by fixing through the lead panel and lead tape.

This applies only for lead thicknesses up to and including Code 7 sheet lead (3.15mm).

A copy of our test report No 5177 from The Radiological Protection Centre dated 26 September 2003 relating to the use of lead tape and steel screw fixings is available on request.

The lead plywood illustrations show lead in a thickness in excess of code 7, where it is necessary to put the lead on the internal face of the battens.

Panels are supplied up to 600mm wide and screws are fixed at 150mm centres along the long edges only.

Should protection be required in excess of our maximum panel height of 3000mm, a horizontal noggin is introduced (either leaded batten or leaded tape) to provide protection at that panel joint.

Additional lead lined horizontal battens or plates can be supplied in widths to suit fixing of viewers, electrical outlet sockets, apron racks, cupboards etc. Protection to pipes and ventilation ducts can also be provided. Panels and battens are easily cut using conventional hand or power saws.

For walls, a single sided panel is sufficient but a minimum thickness of 12.5mm plasterboard is used.

If protection is not required to the full height of the board, lead can be applied to the lower area and the plasterboard left untrimmed to provide a flat front surface to 3000mm. As an alternative a top capping can be supplied.

The bonding of lead to 12mm plywood gives structural strength and provides a suitable alternative for ceilings. It is strongly recommended that the overall panel weight does not exceed 25kg. Panel sizes range from 1000mm x 600mm to 1500mm x 600mm.

Double sided panels are used when a self supporting structure is needed or both sides of the panel are visible. Although handling may be difficult, they can be manufactured to a maximum board size of 3050mm x 1220mm.

These are available with a plastic laminate finish on request.

If protection is required to existing doors and frames, lead bonded to 6mm plywood is available. This assumes that the door construction and hinges or sliding door gear are suitable for the additional weight of the lead.

For floor protection, the plywood can be reduced to 9mm and the edges rebated to receive lead tape, protecting the joints and giving a flush finish.

We are able to produce panels up to 80kg as our production process involves a minimal amount of manual handling. However, for deliveries, off-loading on sites and final installation, we strongly advise that panels do not exceed an overall weight of 62kg for plasterboard and 75kg for plywood. This should be reduced to 25kg if fixing to a ceiling. We further recommend that panels are reduced in size and therefore weight, if fixed to walls at high levels.

Total estimated weights of some example panels are listed below.

Panel Type	Plasterboard 600mm wide		Plywood 600mm wide
Length	2400mm	3000mm	2400mm	3000mm
Code3 lead (1.32mm)	35kg	43kg	30kg	36kg
Code4 lead (1.80mm)	43kg	53kg	38kg	46kg
Code5 lead (2.24mm)	50kg	62kg	45kg	55kg
Code6 lead (2.65mm)	57kg	71kg[1]	52kg	64kg
Code7 lead (3.15mm)	65kg[1]	81kg[1]	60kg	74kg

For further information please refer to the Sheet Lead page in the Shielding Materials section.

To help us provide an accurate quotation please supply the following information with your enquiry:

• If available, a drawing or dimensioned sketch.
• Lead thickness, usually expressed in millimetres or British Standard (BS) code. This is usually determined by an appointed Radiation Protection Advisor (RPA). We can provide full surveys and an RPA report on request but a separate charge would be made for this service.
• Details of wall, ceiling and floor areas to be protected.
• Composition of existing walls or new partitions being built.
• New partitions to be included or supplied by others.
• Any requirements for doorsets or windows.
• Details of required protection for air conditioning, cable ducts, electrical outlet sockets etc.
• Supply of goods only or supply and install by our own professional installation teams.

We can provide a total supply and installation service for a complete X-Ray Department or offer the individual X-Ray Protective components to suit any type of partition.

 

Wardray Premise Ltd.
Hampton Court Estate, Summer Road,
Thames Ditton, Surrey.
KT7 0SP, United Kingdom