Frequently Asked Questions About Precut Turb-O-Webs.

These Questions are Frequently Asked
About the Precut Turb-O-Web™ System.

Frequently asked questions- Precut Turb-O-Webs -Precut Turb-O-Web cost – nail plates sizes – materials handling – stock levels- racks not needed.

Frequently Asked Questions by truss plant owners contemplating precut Turb-O-Web use.

Will precut Turb-O-Webs cost more per metre
than the web timber I am currently using ?

They may. A little. Our aim is to provide precut Turb-O-Webs in machine graded F7 at about the same price as MGP10 timber.

On the other hand Precut Turb-O-Webs reduce cutting time per job. The jobs will pass through the saws about 25% faster than before. This means the cutting costs of an entire roof truss job will be reduced by about 25% and 33% more jobs can go to the jig.

The alternative to paying a few extra cents per metre for precut Turb-O-Webs means the plant’s saws will run for 25% of the time just to save those few cents per metre. Therefore the saws will run for 33% more time than they actually need to.

Remember also, that the precut Turb-O-Webs will only account for about 18% of the total lineal metres of timber in a roof truss job. So any price variation only applies to 18% of the timber in a roof truss job anyway.

Is it worth running the truss saws for 33% extra time
just to save a few cents per metre on just 18% of the timber in a job?
…. And risk holding up the jigs while you do ?


Will using Turb-O-Webs cause nail plate sizes to increase ?

They may, but only marginally. There  is a void in a Turb-O-Web joint that does not exist in an angle web joint so some nail plate embedment is lost.

On the other hand joints involving Turb-O-Webs are often wider than some angle web joints, so some additional embedment is gained at the sides of the joints in some cases.

In any particular joint all design software will increase a plate size only if it is needed. In most cases no increase is needed. However, if the existing nail plate was “just OK”  with angle webs, the use of Turb-O-Webs may very well cause that joint to require a larger plate.

Most plants over-plate for handling and transport so this further reduces any nail plate increases. Overall, our experience has been that nail plate costs may increase by about 3% when using Turb-O-Webs.

Since nail plates represent only about 10% of total job cost, the real increase at job level is about 0.3%


What about materials handling ?
How do plants move precutTurb
-O-Webs to the jigs ?
Do I need racks for storage ?
We don’t have room near the jigs for racks !

It is surprising how many people think that racking is required or that materials handling is an issue. It isn’t.

Every truss plant has it’s own unique method of doing everything – including precut Turb-O-Webs. But the most successful start up system  is to simply store the webs anywhere convenient. Then on a job-by-job basis collect the Turb-O-Webs on a cart and take to the jig. The “shopping cart” method.

This works method well and it is surprising how few different lengths are used in any particular job. Generally it works out that maybe only about eight different lengths are needed for any one job.

A unique feature of precut Turb-O-Webs is that any 1200mm Turb-O-Web, for example, can be used wherever a 1200mm Turb-O-Web is needed. – Any 1200mm web may be used in any truss in any job.

As a result the “shopping cart” loading is very, very simple. Just load up in bulk – 50 of this size for the whole job, 35 of that size and so on. No marking is needed, and the Turb-O-Webs do not need to be  stacked in truss lots just keep the individual lengths separated.

At the jigs it’s just as simple- do you need a 1200mm web?,
Then simply grab one off the cart- any one- they are all the same !


What about stock levels?
We don’t have much room ?
How much stock will we need to carry?

Good questions and ones we are asked all the time. For a start there won’t be any more webs per job than before. Furthermore stock levels of web timber may be reduced because less of that will be needed now.

However, in order to not run out of any particular length Turb-O-Web, some additional stock holding will be required as “buffer” stock. But it needn’t be a huge amount since precut Turb-O-Webs represent only about 18% of the timber in a truss job by length anyway.

So the only additional stock-holding will be the “buffer” stock needed to not run out of any particular length.

So there will be some extra stock holding as a buffer but it won’t need to be a huge amount.

What about pack sizes?

 Pack sizes for webs 900mm to 2400mm are 144 webs per pack,

Pack sizes for webs 450mm to 750mm are 288 webs per pack.

(8 webs wide x 18 webs high)

Pre-Cut Turb-O-Webs are manufactured using the Patented Multi-Faceted End.
Patent in Australia No. 2004202948, MULTI-FACETED END FOR ROOF TRUSS WEB.
Patent in Australia No. 2004216626, METHOD OF CUTTING SEGMENTED-END TRUSS WEB
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