Miller (Preservation) Ltd

Thor Helical Standard Crack Repair Specifications

Miller Preservation have been utilising the advanced Thor Helical Systems with huge success. The standard Crack Repair details highlighted below are applicable to masonry structure whither they are of brick or dressed stone detailing and can also be utilised in random stone construction.

Just click on the links below for further information or contact us direct.

Please note that the majority of the details below show brick work masonry though all details as equally suitable for stone masonry.

• Crack Stitching a cavity wall using Thor Heliforce Bars
• Crack Stitching a Render or Plastered cavity wall using Thor Heliforce Bars
• Repair of a crack near a corner in a cavity wall using Thor Heliforce Bars
• Repair of a crack near a corner in a cavity wall using Thor Grout Ties
• Crack Stitching a solid wall using Thor Heliforce Bars
• Crack Stitching a Render or Plastered solid wall using Thor Heliforce Bars
• Repair crack in a solid wall using Thor Grout Ties
• Repair of a crack near a corner in a solid wall using Thor Heliforce Bars
• Repair of a crack near a corner in a solid wall using Thor Grout Ties
• Repair of cracks at a joint between solid and cavity walls using Thor Heliforce Bars

Bay Window Restraint Repair Specifications

• Bay window restraint scheme in solid or cavity walls using Thor Heliforce Bar & Thor Drive Fix Restraint Ties.
• Bay window restraint scheme using Thor LRT ties or Thor Drive Restraint Ties.

Creating Load Bearing Beams

• Creating load bearing beams in cavity walls using Thor Heliforce bars (external beaming only).
• Creating load bearing beams in cavity walls using Thor Heliforce bars (external and internal beaming).
• Creating load bearing beams in cavity walls using Thor Heliforce bars (internal corner repair detail).
• Creating load bearing beams in solid walls using Thor Heliforce bars.
• Creating load bearing beams in solid walls using Thor Heliforce bars (internal corner repair detail).

Lintel Repairs

• Repair of failed lintels in cavity walls using Thor Heliforce Bars.
• Repair of failed lintels in rendered cavity walls using Thor Heliforce Bars.
• Repair of failed soldier course lintels using Thor Heliforce Bars and Grout Ties.
• Repair of failed soldier course lintels using Thor Heliforce Bars and Thor Drive Fix Ties.
• Repair of failed expanded metal lath (EML) lintels using Thor Heliforce Bars and Thor Drive Fix Ties.
• Repair of failed lintels with a cavity tray above opening using Thor Heliforce and Thor Drive Fix Ties.
• Repair of failed lintels by pinning to concrete lintel using Thor Heliforce bars and Thor Drive Fix Ties.
• Repair of failed lintels in solid walls using Thor Heliforce Bars.
• Repair of failed lintels in rendered solid walls using Thor Heliforce Bars.
• Repair of failed brick arch lintels using Thor Heliforce Bars and Grout Ties.
• Repair of failed brick arch lintels using Thor Heliforce Bars and Thor Drive Fix Ties.

Movement Joint Creation

• Creating movement joints in cavity walls using Thor Heliforce Bars.
• Creating movement joints in solid walls using Thor Heliforce Bars.

Reconnecting Separated Walls

• Reconnecting an internal partition wall to an external solid wall using Thor Grout Ties.
• Reconnecting an internal partition wall to an external cavity using Thor Heliforce Bars and Thor Drive Ties.
• Reconnecting an internal partition wall to an external cavity walls using Thor Grout Ties & Thor Drive Ties.
• Reconnecting an internal partition wall to an external solid wall using Thor Heliforce Bars.

Remedial Wall Ties

• Replacement of cavity wall ties using Thor Drive Fix Ties.
• Replacement of cavity wall ties using the secret Thor Drive Fix Method.
• Repair of a delaminated or separated masonry wall ysing the secret Thor Drive method.
• Thor double resin tie - bar & poly tube.
• Thor double resin tie - bar & poly tube.
• Thor double 10mm expander tie.
• Thor double 10mm brass expander tie.
• Thor double neoprene expander tie.
• Thor resin wavy tail & 10mm expander.
• Thor resin wavy tail & 10mm expander.
• Thor Grout Tie.
• Thor Sock Tube Anchor System.
• Thor Tie Sleeve.

Repairing Masonary Arches

• Masonry arch pinning of separated brick rings, through brick faces, using grout ties.
• Masonry arch pinning of separated brick rings through mortar joints, using grout ties.
• Masonry arch circumferential beaming using Thor Heliforce Bars.
• Masonry arch circumferential beaming using Thor Heliforce Bars - End fixing detail.
• Masonry arch soffit crack stitching using Thor Heliforce Bars.
• Masonry arch pinning of debonded bricks using Thor Grout Ties.
• Masonry arch pinning of debonded bricks using Thor Drive Fixings.
• Masonry arch soffit crack stitching using Thor Grout Ties.

Repairing Rubble Filled & Stone Walls

• Repair of delaminated or separating masonry in a rubble filled or solid wall using Thor Grout Ties.
• Repair of separating stone quoins on brick walls using Thor Grout Ties.

Restraining Bowed External Walls

• Restraining a bowed cavity wall using Thor Drive Restraint Ties into joist ends.
• Restraining a bowed solid wall using Thor Drive Restraint Ties into joist ends.
• Restraining a bowed cavity wall using Thor Lateral Restraint Ties into joist sides.
• Restraining a bowed solid wall using Thor Lateral Restraint Ties into joist sides.
• Restraining a bowed wall around stairwells using Thor Heliforce Bars & Thor Drive Fix Restraint Ties
• Restraining a bowed wall internally using Thor Drive Fix Ties.
• Restraining a bowed solid wall using Thor Lateral Restraint Ties into structural studwork.
• Restraining a bowed cavity wall using Thor Lateral Restraint Ties into structural studwork.
• Restraining a bowed solid wall at ceiling joist level using Thor Lateral Restraint Ties.