Measuring window security screens and insect screens can be a little difficult particularly considering that there are many hundreds of different window types and styles let alone the variations in the measurement required. Most good extrusions come with a provision for a fly screen and it is usually to accommodate and 11 mm wide frame.
At Seconline we predominantly use 11 mm wide frame for both our insect screens and our security screens. This size would be considered industry standard, however on far less frequent occasions 9 mm can be the required frame width. If an order is put through our system it will come standard with 11 mm wide frame is whether they be for insect screens all our security screens; customers will have to indicate to us if they require the 9 mm option.
At Seconline with manufacture one basic insect screen and three security/barrier screens. All of our insect screens come with a strength bar across the centre of the flyscreen 500 mm square. The bar will always be located halfway up the length sitting horizontal on the screen in the fitted position. This can be sometimes a visual hazard, however in most cases it will give the screen immeasurable strength.
We also manufacture 7mm diamond barrier screens. The width of the outer frame is 11 mm with no 9 mm option with fibreglass mesh. We also manufacture steel mesh security screens, 316 marine grade stainless steel screens come standard with 11 mm wide outer frame with an option of 9mm frames if requested.
There are two common types of fixing for both insect screens and security screens. First of all there is fixing directly to the face of the window. This is generally done when there is no provision for a fly screen or in the case of timber double hung windows. It can be done for nearly all applications if no other method is applicable. The second method is to fit into the recess that was part of the original manufacturers window extrusion. This is perhaps the best method of fixing, however is the most difficult to measure correctly.
When measuring for recess fix fly screens it is important to be extremely accurate. First of all you will need to have the thought process that the fly screen has to be first of all fitted and then have the ability to be able to be removed for cleaning. The depths of the recesses for fly screens or security screens needs to be carefully measured on both sides and then top and bottom. Record this measurement and then the ad the actual width and drop measurements of the opening. You will then have two consider all of these measurements to come up with the actual specification for the fly screen or security screen. A useful tip is to use a flat ruler like a typical school ruler. This will give you the ability to be able to measure the depth of the recesses correctly. There is no general rule of thumb other than what needs to be considered is that the fly screen when it is fitted will need to be pushed into the depth of one side of the recess and completely clear the other outer edge of the recess on the opposite side. Usually you will be pushing into one side and up into the top. On both sides then there should be adequate clearance for the fly screen to slide into the recess. Once the fly screen is in and is simply a matter of centring the fly screen so that no gaps appear on either side. Some windows have a provision to lock the screen in place, however not all.
All our DIY Security Window Screens are made on site in our Newcastle factory with excellent quality workmanship and turnaround times we.
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