Helifix DryFix Asymmetric Tie
Helifix DryFix Asymmetric Tie
Helifix DryFix Asymmetric Tie
Secure soft outer leaf materials to a hard inner leaf, such as concrete
Helifix DryFix Asymmetric Tie is a dual diameter remedial tie that secures relatively soft outer leaf material to harder inner leaf material without stressing or fracturing fragile substrates.
Send a product enquiryHelifix DryFix Asymmetric Tie is a dual diameter remedial tie that secures relatively soft outer leaf material to harder inner leaf material without stressing or fracturing fragile substrates.
Applications
- Developed specifically to secure relatively soft outer leaf material to a harder inner leaf, such as concrete or dense brick.
- The asymmetric tie has a longer section with a standard diameter (8mm or 10mm) and a shorter reduced diameter section (6.5mm or 8mm respectively) which penetrates 75mm into the inner leaf via a small pilot hole.
- It is installed in the same manner as standard Helifix DryFix ties to provide a rapid, reliable and concealed solution.
Points to note
The following criteria are to be used unless specified otherwise:
- Length of Helifix DryFix ties to be sufficient to accommodate width of near leaf + width of cavity + 75mm (less 8mm to allow for recessing below near leaf face by PDA)
- Depth of pilot hole to be length of Helifix DryFix tie + 25mm
- Diameter of pilot holes to be ascertained on site, by conducting pull-out tests, to determine diameter of tie and pilot holes to comply with the specification.
Installation
Step 1.
Drill small pilot hole using rotary percussion drill, 3-jaw chuck type
Step 2.
Load tie into Helifix DryFix Power Driver Attachment fitted to SDS hammer drill
Step 3.
Drive in tie until outer end is fully recessed below face of masonry
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