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Fastener selection and system recommendation<br />

Fastener selection:<br />

Fastening drywall tracks Fastening wood or soft material<br />

Required nail shank length:<br />

LS = hET + tl [mm]<br />

8<br />

1.9<br />

3.7<br />

Ls<br />

L<br />

Required depth of penetration hET<br />

Normal weight concrete NWC<br />

hET according to concrete strength:<br />

fcc [N/mm 2 ] 15 25 35<br />

hET [mm] 32 27 22<br />

Sandlime Masonry SLM<br />

hET according to concrete strength:<br />

fcc [N/mm 2 ] 15 25 35<br />

hET [mm] 32 27 27<br />

Steel<br />

Use X-DNI 19, 22 or 27<br />

Alternate nails:<br />

X-EDNI 12 or 16<br />

X-EDNI 19 or 22 (if placeable)<br />

tI<br />

hET<br />

Normal Weight Concrete NWC<br />

Required nail shank length:<br />

Wood: LS = hET + tl [mm]<br />

X-DNI<br />

Soft material: LS = hET + tl –1.9 – hCS [mm]<br />

hCS ≅ 3 mm if possible<br />

Required depth of penetration hET<br />

Normal weight concrete NWC<br />

hET according to concrete strength:<br />

fcc [N/mm 2 ] 15 25 37<br />

hET [mm] 32 27 22<br />

Light weight concrete LWC<br />

hET = 32–37 mm<br />

Sandlime Masonry SLM<br />

hET according to concrete strength:<br />

fcc [N/mm 2 ] 15 25 37<br />

hET [mm] 32 27 27<br />

Steel<br />

Sandlime Masonry SLM<br />

hET = 15-27 mm<br />

11 / 2007 4.105<br />

hcs<br />

tI<br />

hET<br />

Steel<br />

tII<br />

tI<br />

hET

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