Micro Perforated Roller Shutters

Nirmal Micro Perforated Lath Roller Shutters are an ideal method of securing premises such as shop fronts whilst maintaining the see through aspect when the shop is backlit. Used extensively in shopping malls and high street retail premises, perforated lath roller shutters presents a most economical method of providing a secure closure to large or small openings. The shutters are robust and have a long life with little maintenance required.

Nirmal Micro Perforated Lath Roller Shutters have been supplied on many prestigious projects and come with the technical design and backup for which the company is renowned. Shutters can be supplied as standards up to 7000mm wide.

Standard Specification


Shutter Curtains are constructed from continuously interlocked galvanized perforated steel laths, securely held in place by end locks. Both 90 mm flat profiles are available dependent upon size. Bottom Rails are roll formed into a tee section.


Vertical Guides are formed from rolled steel and are supplied with suitable angles for fixing to the structure.


Prime painted mild steel of appropriate thickness relative to door size and supplied with angles for fixing to the structure.


The barrel is constructed from steel pipe of adequate diameter to resist deflection and held in bearings or cups attached to the endplate.


Generally galvanized with non-galvanized parts prime painted.

Maximum Sizes

7 meter wide x 4 meters high.

Electric Operation

Electric operation is by means of a single or three phase center motor. A safety brake is fitted to all shutters where personnel could pass underneath thus meeting all relevant Health and Safety Requirements. The client should provide a fused spur within 500mm of the motor position. The standard Method of control is by means internal Wall mounted rocker switch. Other types of control Including kewswitches and remote controls are available at extra cost.


Dependent upon size and lath configuration but typically 20 kgs per m2.

Options at extra cost:

• Key switches
• Radio Remote Control
• Photocells
• Timer closing
• Polyester powder coated finish
• Hoods
• Fascias