Dry Mechanical Pinning and Remedial Tying System. Helifix DryFix is a versatile and rapidly installed mechanical pinning and remedial tying system that requires no resin, grout or mechanical expansion.
System Components (to be ordered separately):
- Rotary percussion bits for drilling pilot holes (where necessary)
- Load Test Unit and Pull Test Key
- Special Power Driver Attachment for rapid installation
- Power Driver Extension (where necessary)
- DryFix ties – SDS Drill for installation
Installation:
- Drill small pilot hole using rotary percussion drill, 3-jaw-chuck type
- Load tie into DryFix Power Driver Attachment fitted to SDS hammer drill
- Drive in tie until outer end is fully recessed below face of masonry
Applications:
- Versatile replacement wall tie
- For securing multiple layers of masonry
- For pinning delicate masonry features
Features:
- Requires no resin, grout or mechanical expansion
- Slim, one-piece, grade 316 stainless steel tie
- Quick, easy, non-disruptive installation using the Power Drive Attachment
- Effective in bricks, blocks, concrete, hard mortar, timber
- Effective in cavity and solid walls, hollow materials and close to edges
- Installed tie is recessed below face of masonry
- Usable in all weathers, temperatures and environments
Benefits:
- Highly economical with low installed costs
- Great tensile strength
- Flexibility accommodates normal building movement
- Multiple drip points prevent transfer of water across cavity
- Can be installed through insulation without affecting its thermal performance
- Leaves masonry virtually unmarked
- Minimal inconvenience to occupants
| Technical Specifications |
| Material |
Austenitic stainless steel Grade 304 (1.4301) or 316 (1.4401) |
| Diameter |
8mm |
| Length to be used |
Near leaf thickness + cavity width + required penetration into the far leaf less required penetration of the PDA |
| Length |
220mm |
| Depth of pilot hole |
Length of DryFix + 25mm (taking care to not penetrate through far leaf) |
| Minimum fixing density |
In accordance with project specification or check with Helifix Technical Department |
| Bonding agent |
None required |
| Near leaf material |
Far leaf material |
Near leaf pilot/clearance hole |
Far leaf pilot/clearance hole |
Penetration into far leaf |
Pull out (Proof load) |
| Clay brick |
Aircrete |
5-6mm |
None |
75-90mm |
1.0kN |
| Clay brick |
Timber stud |
5-6mm |
None |
55mm |
1.2kN |
| Clay brick |
Clay brick |
5-6mm |
5-6mm |
70mm |
2.0kN |
| Clay brick |
Concrete block |
6mm |
6mm |
70mm |
2.0kN |
| Clay brick |
Concrete |
6mm |
6-6.5mm (very hard concrete may require an Asymmetric tie or RetroTie or ResiTie) |
35mm |
2.0kN |
IMPORTANT INFORMATION: All figures quoted are indicative dependent on the exact nature of the substrate. Testing should always be undertaken on site using the Helifix Load Test Unit. Compression Resistance should be checked with the Helifix Technical Department. Fixing Density should be calculated by the Helifix Technical Department.
Please see our Delivery policy page for full details of our delivery terms and conditions, including information on exclusions, geographical restrictions, third parties, and failed deliveries.
Delivery Timescales
We will endeavour to deliver all orders within 1-3 working days (subject to geographical restrictions). Please note, where delivery lead-times for individual orders may be subject to change, we will keep you informed directly by phone or email within 24 hours of your order being placed.
Deliveries will not be made on UK bank holidays, and in such cases will fall on the next working day.
Standard delivery hours are between 8am and 6pm, Monday to Friday. If you are not available to accept the delivery when it is attempted, then a failed delivery charge will be applied (see the Delivery page for full details).
Delivery Communications
We aim to dispatch and deliver all our products within their specified time frames. You will get notified by BaseTec via email when your products have been dispatched. This will include details of your order and the expected delivery time. BaseTec will contact you via email or phone if there are any delays in picking your order or after dispatch.
If any products are out of stock or unavailable at the time of ordering, the BaseTec team will contact you by phone or email to discuss your options.
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