start of page
FAQs - ANSWERS TO FREQUENTLY ASKED QUESTIONS
« return
  • Is an authorization required for spacers?
    An authorization according to DIN 1045 for spacers is not necessary. Requirements on spacers are defined according to DIN 1045 in DBV-Leaflet „Abstandhalter 07/2002“.
  • Is an authorization required for rebar connections?
    An authorization according to DIN 1045 for rebar connections is not necessary. Requirements on rebar connections are defined in DIN 1045. Additional regulations are defined in DBV-Leaflet „Rückbiegen von Betonstahl und Anforderungen an Verwahrkästen“.
  • How much single spacers are needed per m² wall?
    Following guidelines according to DBV-Leaflet „Betondeckung und Bewehrung 07/2002“ can be assumed:
    approx. 4-5 single spacers per m²
  • How much linear spacers are needed per m² ceiling?
    Following guidelines according to DBV-Leaflet „Betondeckung und Bewehrung 07/2002“ can be assumed:
    At reinforced steel diameter up to 14 mm: installation distance 50 cm
    At reinforced steel diameter from 16 mm: installation distance 70 cm
  • Do plastic spacers affect the fire resistance class of concrete?
    No. According to DBV-Leaflet „Abstandhalter 07/2002“ plastic spacers have no influence on fire resistance class of a concrete component due to small masses.