BowTie HD installation
1. Mark the position of the joist centre on the external wall and drill a clearance hole (normally 16mm) through the wall.
2. Insert the BowTie HD into the support tool fitted to an SDS rotary hammer drill and drive it (off hammer) through the first and subsequent joists, as specified. Fit sleeve over the tie, inject PolyPlus resin to fill the hole, allow to gel and make good.
BowTie Installation
1. Mark the position of the joist centre on the external wall and drill a clearance hole (normally 12mm) through the wall.
2. Insert the BowTie into the support tool fitted to an SDS rotary hammer drill and drive it (hammer function only / roto stop) into the joist end to a depth of at least 75mm. Fit sleeve over the tie, inject PolyPlus resin to fill the hole, allow to gel and make good.
System Components
- Drill bit for clearance hole
- BowTies
- Power support tool
- HD Driver
- Hand support tool
- PolyPlus resin cartridge with extension nozzles and applicator
View video of Bay Window repair using BowTie. Click the bottom right symbol for full screen view.
Applications
- Used to stabilise bulging walls by securing them to internal floor joists
- Standard BowTies are recommended when installing into joist ends
- BowTie HDs are recommended when installing into parallel joists
- Heavy Duty 12mm diameter threaded bar with self-cutting end
- Mechanically connects floor joists or roof beams
- Provides stiffness without the need to install noggins or additional bracing
Features
- One-piece grade 304 or 316 stainless steel tie
- Unique, one-piece, self-tapping design
- Rapid, easy, installation
- Easy testing for security of fixing
- Accommodates normal building movement
- Suitable for hardwood use
Benefits
- Very effective and economical solution
- Minimal inconvenience to occupants
- Non-disruptive external installation
- Visibly unobtrusive - no external plates
- No splitting of timbers
Bonding Agent
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