Overview of all wood patch types and sizes


 
Size
Dimension (LxWxH)
Patch surface Possible uses Details
G 0
65 x 5 x 11 mm
This is an extremely small patch for very small resin galls.
It is mainly used for small work-pieces.
G 3
63 x 8 x 11 mm
A middle size between G0 and G2-patches.
Because of its geometry the groove for this patch can also be milled with the common G2-milling cutter.
G 2
69 x 8 x 13 mm
The size usually sold.
The dimensions of this patch are designed in a way so that most resin galls can easily be removed and the patch is not noticeable.
G 1
72 x 8 x 15 mm
Can also be used with our G2-milling cutter.
This patch is replaced by the G2-patch, as it has no relevant advantages.
G 4
82 x 15 x 20 mm
Large patch for big resin pockets.
Is mainly used for glued laminated beams.
Through the patch height of 20 mm it is only partly suited for the use in the furniture industry.
G 22
69 x 15 x 13 mm
A doubled G2-patch.
This patch is more and more replaced by our multiple-groove patches M15 and M20.
 
P18 - Parquet-floor patches
P18
56 x 18 x 8 mm
Special geoemetry for multi-layer boards and thin workpieces.
To be used for: Multi-layer-boards, Parquett-flooring, Timber piling, Groove and tongue panels.
 
M 8
69 x 8 x 13 mm
Also known as Kat-patch.
Smallest size of the multiple-groove-system. This patch has nearly the same base dimensions as the G2-patch and harmonises even better with the surrounding wood structure through its two grooves.
M 15
69 x 15 x 13 mm
For damages with a width of up to 15 mm. Alternativ product to the G4-patches with the advantage of the multi-groove technology.
M20 / M35 - System
M 20
69 x 20 x 13 mm
The standard-size of multiple-groove patches.
Can be used for nearly all damages, that are too big for the G2-patch. With this size it is also possible to repair dead or loose knots. Therefore it is often used in the window construction industry.
M 35
69 x 35 x 13 mm
The XL-Version of our multiple-groove patch series for damage-widths up to 35 mm. It has the same advantages as the M20-patch.
Can be used with a M20-milling cutter and a milling machine with milling guide.
With these big patches it is now possible to completely replace round patches and their disadvantages of being too visible after being inserted in the damaged part.
M24 / M42 - System
M 24
69 x 24 x 13 mm
Alternativ-System to the M20/M35 patches.
It is mainly used in the glued laminated timber industry to replace half of a laminated timber beam (M24) or a whole beam (M42).
M 42
69 x 42 x 13 mm
The XL-Version of our multiple-groove patch series for damage-widths up to 42 mm. It is used with a M24-milling cutter and a milling machine with milling guide.
With these big patches whole laminated timber beams with a width of 42mm can be replaced
Usually companies specialize on the combination of M20/M35 or M24/42. With each of the combinations you can use two patch-width with only one milling cutter.
 
G 2/XL
G4/XL
M20/XL
M35/XL
M24/XL
M42/XL
Standard- Length:
80mm, 150mm,
250mm, 500mm
Available in several dimensions with a length of max. 75 cm.
Patch rods are mainly used to repair long damages (mechanical damages or e.g. resin galls) on wooden surfaces or edges. The width of the damage can be from 8 to 42mm.
It is used with a milling cutter and a milling machine with milling guide.

The size M42 is mainly used in the glued laminated timber industry. With a milling machine and the milling guide, part of a beam of the laminated timber is milled and replaced with the appropriate patch rod. The big advantage of this patch rod over the products of our competitors is the height of the patch rod. Through this the patch rod can easily be planned or further processed without any problems.
 
 
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