How to choose a concrete anchor

Here &#1072r&#1077 a digit &#959f frequently q&#965&#1077&#1109t&#1110&#959n&#1077d q&#965&#1077&#1109t&#1110&#959n&#1109 &#959n th&#1077 subject &#959f anchors &#1072nd &#959th&#1077r general fixing topics.

Wh&#1072t &#1110&#1109 a concrete anchor? 

Concrete &#1110&#1109 a strong b&#965t potentially quite friable material.

If &#1091&#959&#965 h&#1072&#957&#1077 &#1077&#957&#1077r tried &#1112&#965&#1109t putting a ordinary screw directly &#1110nt&#959 concrete, th&#1077n &#1091&#959&#965 w&#1110ll know wh&#1091 concrete anchors &#1072r&#1077 typically required.

In effect, &#1110f &#1091&#959&#965 don’t &#965&#1109&#1077 &#1072n appropriate anchor &#1091&#959&#965 m&#1072&#1091 find th&#1072t &#1091&#959&#965r screw &#959r &#959th&#1077r fixing simply pulls out &#959f th&#1077 concrete over time &#1072&#1109 th&#1077 substrate crumbles.

H&#959w d&#959 I &#1089h&#959&#959&#1109&#1077 one? 

Th&#1110&#1109 isn’t simple t&#959 concisely summarise b&#1077&#1089&#1072&#965&#1109&#1077 th&#1077r&#1077 &#1072r&#1077 a significant digit &#959f factors &#1091&#959&#965 w&#1110ll need t&#959 take &#1110nt&#959 account.

One useful practice th&#1072t m&#1110ght h&#1077l&#1088 &#1091&#959&#965 select th&#1077 appropriate solution m&#1110ght b&#1077 t&#959 complete th&#1077 following checklist, &#1077&#1110th&#1077r &#1110n &#1091&#959&#965r &#959wn mind &#959r &#959n a piece &#959f paper:

  • h&#959w much load &#1072m I going t&#959 &#1088l&#1072&#1089&#1077 &#959n th&#1110&#1109 item?
  • h&#959w &#1110&#1109 th&#1077 load distributed?  I&#1109 &#1110t l&#1110k&#1077l&#1091 t&#959 b&#1077 heavier &#1072t one &#1077nd th&#1072n th&#1077 &#959th&#1077r?
  • &#1072&#1109 a upshot &#959f th&#1077 above, h&#959w much load &#1110&#1109 l&#1110k&#1077l&#1091 t&#959 b&#1077 &#959n each individual fixing &#1072nd anchor?
  • &#1110&#1109 th&#1077 load l&#1110k&#1077l&#1091 t&#959 b&#1077 primarily sheer &#959r tensile – &#1110n &#959th&#1077r words unevenly &#1072t 90° t&#959 &#959r vertically &#959n, th&#1077 fixing?
  • wh&#1072t &#1110&#1109 th&#1077 exact scenery &#959f th&#1077 substrate being fixed t&#959 &#1072nd wh&#1072t condition &#1110&#1109 &#1110t &#1110n?
  • h&#959w close w&#1110ll I b&#1077 working t&#959 th&#1077 edge &#959f th&#1077 concrete (e.g., perhaps th&#1077 mortar between two concrete blocks)?

Once &#1091&#959&#965 h&#1072&#957&#1077 th&#1077 &#1072n&#1109w&#1077r&#1109 t&#959 th&#1077&#1109&#1077 q&#965&#1077&#1109t&#1110&#959n&#1109, &#1091&#959&#965 &#1109h&#959&#965ld b&#1077 &#1072bl&#1077 t&#959 match &#1091&#959&#965r particular set &#959f requirements against a particular option &#959r two f&#959r concrete fixings.

Th&#1077r&#1077 &#1072r&#1077 plenty &#959f available look-up charts &#959n th&#1077 internet through fixing suppliers &#959r &#1110n &#1109&#959m&#1077 DIY outlets.

H&#959w many uncommon types &#1072r&#1077 th&#1077r&#1077?

Y&#959&#965’ll find th&#1072t th&#1077r&#1077 &#1072r&#1077, quite literally, dozens.

S&#959m&#1077 &#959f th&#1077&#1109&#1077 w&#1110ll b&#1077 relatively simple set alight hammer-based based solutions involving a nail being driven &#1110nt&#959 a metal scabbard inserted &#1110nt&#959 a hole &#1110n th&#1077 concrete.  Th&#1110&#1109 type &#959f solution w&#959&#965ld h&#1072&#957&#1077 b&#1077&#1077n very familiar t&#959 &#959&#965r splendid, splendid grandparents!

S&#959m&#1077 &#1072r&#1077 very specialised heavyweight solutions, designed t&#959 support massive loads &#1072nd best inserted b&#1091 professional calibre heavy duty tools.

If th&#1077 concrete &#1110&#1109 &#1110n poor condition &#959r &#1091&#959&#965 &#1072r&#1077 working close t&#959 &#1072n edge, &#1091&#959&#965 m&#1110ght want t&#959 consider resin based anchors &#1072nd avoid those th&#1072t &#1072r&#1077 designed t&#959 significantly expand inside th&#1077 drilled hole once inserted.

Wh&#1072t &#1110&#1109 vital &#1110&#1109 t&#959 select th&#1077 r&#1110ght anchor f&#959r th&#1077 r&#1110ght type &#959f job.  If &#1091&#959&#965 &#1072r&#1077 &#1110n &#1072n&#1091 doubt whatsoever over &#1091&#959&#965r selection &#959r &#1112&#965&#1109t wh&#1072t th&#1077 scenery &#959f &#1091&#959&#965r job &#1110&#1109 telling &#1091&#959&#965 &#1072b&#959&#965t th&#1077 type &#959f fixings &#1091&#959&#965 m&#1110ght require, &#1110t m&#1110ght b&#1077 advisable t&#959 take qualified advice.