Example: Saddle roof with dormer

This table shows how you can save approx. 59% when constructing a saddle roof with a dormer with EXAKTER® Holz Ruser Premium KVH®. Compare your timber requirement in the following table and the detailed calculations.

 

Timber requirement m3
Savings 6.013
58.57%

Calculation with EXAKTER® KVH®

With EXAKTER® Holz Ruser Premium KVH® you only need 10.267 m³ for a saddle roof with a dormer - and therefore save 58.57% of the otherwise purchased amount of timber.

 

Example EXAKTER®
Thickness Width Amount Length [m] m3
Total consumption 10.267
612321.040.238
61442.960.099
822306.973.678
81482.040.183
81441.330.060
82267.720.815
82245.510.388
822268.673.967
62442.250.129
62041.440.069
62040.710.034
121222.240.065
122041.800.173
101026.710.134
101236.530.235

Traditional calculation

With off-the-shelf system lengths you need 58.57% more timber for a saddle roof with a dormer than you would have if you had calculated with EXAKTER® Holz Ruser Premium KVH®.

 

Example without EXAKTER®
Thickness Width Amount Length [m] m3
Total consumption 16.280
612313.000.281
614113.000.109
8226213.0014.186
814213.000.291
624113.000.187
62019.500.114
121215.000.072
1220113.000.312
1010213.000.260
1012313.000.468

Traditional off-the-shelf solution

Standard off-the-shelf dimensions
6×12cm 2/13.00m
12×1.035m
Proved standard length: 12.53m
6×12cm 1/13.00m
8×1.035m
Proved standard length: 8.35m
6×14cm 1/13.00m
4×2.958m
Proved standard length: 11.87m
8×22cm 26/13.00m
26×8.669m
Proved standard length: 8.67m
8×22cm 6/13.00m
6×7.715m
Proved standard length: 7.715m
8×22cm 4/13.00m
je 1×6.965 / 1×5.51m
Proved standard length: 12.49m
8×22cm 26/13.00m
26×6.965m
Proved standard length: 6.965m
8×14cm 1/13.00m
5×2.039m / 2×1.334m
Proved standard length:13.93m
8×14cm 1/13.00m
3×2.039m / 2×1.334m
Proved standard length: 8.83m
6×24cm 1/13.00m
4×2.247m
Proved standard length: 9.018m
6×20cm 1/9.50m
4×1.437m / 4×.712m
Proved standard length: 8.67m
12×12cm 1/5.00m
2×2.42m
Proved standard length: 4.50m
12×20cm 1/13.00m
4×1.797m
Proved standard length:7.22m
10×10cm 2/13.00m
2×6.705m
Proved standard length: 6.71m
10×12cm 3/13.00m
3×6.53m
Proved standard length: 6.53m

For this calculation, exemplary off-the-shelf stocks were assumed. The expenditure of time for the manipulation of the off-the-shelf solutions / system lengths was not taken into account!