⚙️ Anchor Specifications
Component | Type | Size | Torque | Surface |
Primary Anchor | Expansion bolt | M12 × 100 mm | 45 – 55 Nm | Concrete / footer |
Alternate | Wedge anchor | M10 × 90 mm | 40 Nm | Solid slab |
Wood Deck | Lag screw + washer | 3/8″–½″ × 4″ | 35–45 Nm | Reinforced blocking |
Alignment Bolt | Hex bolt A2-70 SS | M8 | Hand tight + ¼ turn | Frame connections |
🧰 Materials & Coatings
Stainless A2 or A4 for coastal installations.
Zinc-plated Grade 8.8 for inland concrete.
Apply anti-seize compound to prevent galling in aluminum threads.
🧱 Sealants & Corrosion Prevention
After torqueing, apply silicone bead around bolt heads.
Never paint over anchors; use clear corrosion guard spray if exposed.
⚠️ Avoid
Plastic anchors or sleeve plugs.
Mixing steel types (may cause galvanic reaction with aluminum).