New-Build Cavity Wall Ties & Fixings

Precision helical ties for new construction — timber frame, thin joint AAC blockwork, and cavity wall applications up to 4 storeys.

Timber Frame Wall Ties

Thor Helical Timber Frame Ties connect masonry facades to timber frame structures in new buildings up to 4 storeys high. Installed using the Thor Helical Hand Tool by hammering tie into timber frame.

Conforms as Type 6 — BS 5268-6.1:1996 in M2 mortar
UKCA and CE Accredited
Suits 50–150mm cavities
Accommodates up to 24mm differential movement
Ø5mm diameter
Available 175–250mm lengths

Timber Frame Wall Ties — Performance Data

ProductCodeTie Length(mm)Cavity Width(mm)Min. Embedment(mm)ModeSimulatedShrinkage(mm)UltimateLoad (N)DesignLoad (N)
M51-0175-A217550–7565mm masonry / 35mm timberTension/Compression0770 / 440226 / 146
Tension/Compression24870 / 430290 / 143
M51-0200-A220076–10065mm masonry / 35mm timberTension/Compression0770 / 440226 / 146
Tension/Compression24870 / 430290 / 143
M51-0225-A2225101–12565mm masonry / 35mm timberTension/Compression0770 / 440226 / 146
Tension/Compression24870 / 430290 / 143
M51-0250-A2250126–15065mm masonry / 35mm timberTension/Compression0770 / 440226 / 146
Tension/Compression24870 / 430290 / 143

Thin Joint Wall Ties

Thor Helical Thin Joint Wall Ties connect AAC blockwork to a brick facade where thin joints result in misaligned bed joints. Installed using the AT7-SDS-TOOL by driving into blockwork.

Conforms as Type 2/3 — BS EN845-1:2013+A1:2016
UKCA and CE Accredited
Suits 30–150mm cavities
Ø7mm diameter
Available 205–305mm lengths
Grade 304 Austenitic Stainless Steel

Thin Joint Wall Ties — Performance Data

Product CodeTie Length (mm)Cavity (mm)ModeUltimate Load Capacity @ 2.8–3.5 N/mm² (N)Design Load Capacity @ 2.8–3.5 N/mm² (N)Ultimate Load Capacity @ 7–10 N/mm² (N)Design Load Capacity @ 7–10 N/mm² (N)
M71-0205-A220530–50Tension / Compression1100 / 2030366 / 6761800 / 2030600 / 676
M71-0230-A223055–75Tension / Compression1100 / 1860366 / 6201800 / 1860600 / 620
M71-0255-A225580–100Tension / Compression1100 / 1770366 / 5901800 / 1770600 / 590
M71-0280-A2280105–125Tension / Compression1100 / 1370366 / 4561800 / 1370600 / 456
M71-0305-A2305130–150Tension / Compression1100 / 1100366 / 3661800 / 1100600 / 366

Batten Frame Fixings

A cost-effective alternative to plug and screw fixings for securing timber to masonry. A pilot hole through timber and masonry is all that's required — no repositioning of the batten.

Ø7mm diameter
Available 75–150mm lengths
Suits 25–75mm thick timber
Grade 304 Austenitic Stainless Steel

Batten Frame Fixings — Test Results

Diameter (mm)SubstrateMin. Embedment (mm)Pilot Hole (mm)ModeModel Load Capacity (N)
7Masonry85Ø4–5mmTension1410
7Timber25Ø4–5mmTension960

Thor Helical Additional Accessories

AT7-SDS-TOOL

AT7 SDS Driving Tool

SDS driving tool for installing Ø7mm Thin Joint Wall Ties into AAC blockwork. Fits standard SDS rotary hammers.

Fits
Ø7mm Thin Joint Ties
Type
SDS-plus shank
Use
Drive into AAC blockwork
M51 Series

Ø5mm Timber Frame Wall Tie

Type 6 conforming tie (BS 5268-6.1:1996) for brick-clad timber frame up to 4 storeys. Installed with AT5-SDS-TOOL — no pilot hole in timber. Accommodates 24mm differential movement.

Diameter
5mm
Lengths
175–250mm
Cavity
50–150mm
Standard
BS 5268 Type 6
Hand Tool

Thor Helical Hand Tool

Hand tool for installing Timber Frame Wall Ties by hammering the tie into the timber frame structure.

Fits
Ø5mm Timber Frame Ties
Type
Hammer-in driver
Use
Drive into timber frame
M71 Series

Ø7mm Thin Joint Wall Tie

For AAC blockwork with thin mortar joints. Installed using AT7-SDS-TOOL. Available for 30–150mm cavities. CE & UKCA accredited.

Diameter
7mm
Lengths
205–305mm
Cavity
30–150mm
AAC strength
2.8–10 N/mm²
BFF-7

Ø7mm Batten Frame Fixing

Secures timber battens to masonry — no need to reposition batten. Pilot hole through timber and masonry. Cost-effective alternative to plug & screw.

Diameter
7mm
Masonry embed.
85mm min.
Timber embed.
25mm min.
Pilot hole
Ø4–5mm
Need help specifying the right product?
Our technical team will recommend the correct diameter, length and grout for your project.
Full Product Guide 2026