/
HMT
High Movement Timber Frame Wall Tie
The HMT wall ties are used to restrain the external blockwork/brickwork back to the timber framed structure. They provide greater performance to accommodate differential movement in medium to high–rise structures. Features & Benefits — Accommodates maximum differential movement of 75mm
Material Specification — Austenitic stainless steel
Approvals — CE marked & tested in accordance with BS EN 845–1 — Meets NHBC & Homebond technical requirements
Fixings 3.35 x 50mm annular ring shank nails supplied with part
Installation Instructions
In Situ
STAGE 1
Nail channel into wall panel by nailing 1No fixing at the bottom of the slot. Allow adequate space above the masonry to hammer fix.
Dimensions (mm)
STAGE 2
Position channel by lightly tapping with a hammer until channel is in correct position.
HI
LOW
The tie should line through with the LOW marker to allow full 75mm movement.
75
105
STAGE 3
Once the channel is in position fix the top round hole into the wall panel, position the tie and build the next course of block work. LOW – 75mm movement HIGH – 65mm movement
130
Load Data On the basis of wall ties having different failures in different materials e.g, tension – nail withdrawal (timber), compression – buckling (steel), we are now no longer publishing the lowest values and to assist the Building Designer we have shown the test results, failures modes and calculations.
The latest most up to date version will always be online and not in print or in downloaded pdf.
44
Technical support 01592 771132 / technical@itwcp.com / https://www.itwcp-offsite.co.uk
Made with FlippingBook Annual report maker