SURVEY INSTRUCTIONS - GRILLES / OPTIGUARD / ANTI-BURGLAR BARS
Accurate surveying is important for a correct installation
To ensure the product will fit in the opening please provide:
- The ACTUAL measurements of the opening.
- The smallest measurements if an opening is not square.
It is the responsibility of the fitter to make an opening square by using packers or shims.
Our Security Grilles will fit into an opening that is slightly larger or slightly smaller than the actual measurements provided. (N.B. This does not apply to Optiguard.) These ‘Fitting Tolerances’ vary according to the table below:-
| Product Fitting Tolerances |
| SG1 |
+/- 7mm |
| SG2 |
+/- 10mm |
| SG3 |
+/- 10mm |
| SG4 |
zero |
| Anti-Vandal |
+/- 10mm |
SG3 does not require top and bottom fixings. It may, depending on the application, be ordered considerably smaller or larger than the height of the opening. Allowance should however be made for any centre stop.
Security Grilles Direct will manufacture as close as possible to the ordered size. Manufacturing tolerances are +/- 2mm for all products.
Products can be reveal or face fixed or a mixture of both. Be aware of any obstructions that will interfere with the opening like skirting boards, dado rails or window/door handles.
For grilles decide which is the best place to put the stack (see product pages for individual stacking widths).
Check that the structure you are fitting into is strong, solid and complies with minimum fixing standard.
Please note that for Certification (when applicable) and the Security Grilles Direct Warranty to apply products must be fitted in accordance with the Minimum Fixing Standard.
The Minimum Fixing Standard assumes installation direct into substrate and not via intermediate substrate, such as plasterboard. The perimeter of the grille should be made good, using mastic or similar and all exposed screws should be spoiled.
| Minimum Fixing Standard |
Into Wood: Use 12 x 60mm hardened steel wood screws (or larger).
Into Block, Brick and Concrete:
For the Sides (Anchor Channels) use 10mm x 100mm frame fixings or equivalent. For the Top and Bottom Tracks use hardened steel wood screws - No.12 x 60mm (or larger). Must be at least 3 per track.
Into Steel: Fix with M6 button head machine screws, drilled and tapped, or No.12 self- tapping screws.
Fixings must not be more than 300mm apart and there must be at least 3 fixings on all four sides.
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| Equipment / Tools Required for Installation |
- Masonry drill and drills to suit fixings (Following the Minimum Fixing Standard)
- Pencil or marker pen
- Spirit level
- Steel tape
- Fixings to suit opening substrate and comply with the Minimum Fixing Standard
- Tools to install i.e. cordless drill
- Silicone / filler or compound to fill screw tops
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| Inspection of Goods and Area |
- Check the delivery note against your order.
- Open packages and check contents against the delivery note - any deviation MUST be reported within 48hrs.
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| Fitting Instructions |
Supplied with each product.
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| Maintenance / Operation Instructions |
SG Grilles and Anti- Vandal Screens require little maintenance, however to preserve appearance and smooth operation the following is recommended:
Clean all hardware and surfaces by wiping with a damp cloth using mild detergent and dusting down with a soft clean cloth. For grilles the bottom track may be vacuum cleaned to remove any debris. This is particularly important for surface or recess mounted tracks.
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| Security Grilles Direct Warranty |
All Security Grilles Direct products are guaranteed for 2 years against faulty parts or manufacturing defects. This guarantee excludes damage, misuse and third party installation. Certified products must be fitted in accordance with the Minimum Fixing Standards.
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Retracting Security Grille/Gate
Survey and
Installation Guide
Reveal Fix
Most installations of Security grilles are into the reveals of windows and doors, when fitted the gather/stack is aproximatly 15% of the width, when measuring for manufacture of a grille it is most important to take two measurements, horizontally one top and one bottom, vertically at both ends and supply us with the smaller measurements.
If you need advice please call us 0121 445 2587
Face Fix
Measuring is similar to reveal fitting grilles except an extra allowance needs to be allowed for the extra width and height for fixing, usually an extra 100mm is sufficient for each side, 50mm for the grilles frame plus an extra 50mm so that it clears the edge of the brickwork, if it is required that the gather/stack clears the opening and extra 15% of the total width of the grille needfs to be added on.
If you need advice please call us 0121 445 2587
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