Anchor nail
Thermal insulation anchor nails are specialized fasteners for exterior wall insulation, consisting of a plastic expansion sleeve and a galvanized or stainless steel drive‑in core nail. They are primarily used to securely fix insulation boards to the wall substrate, working in conjunction with bonding mortar to create a dual‑fixation system—bonding plus anchoring—that enhances the overall safety, wind‑pressure resistance, and durability of exterior wall insulation systems.
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Anchor nail
Thermal insulation anchor nails are specialized fasteners for exterior wall insulation, consisting of a plastic expansion sleeve and a galvanized or stainless steel drive‑in nail. They are primarily used to securely attach insulation boards to the wall substrate, working in conjunction with bonding mortar to create a dual‑fixation system—bonding plus anchoring—that enhances the overall safety, wind‑load resistance, and durability of exterior insulation systems.
Performance Metrics
Material: The plastic sleeve is made of weather-resistant polymer; the core pin is galvanized or stainless steel.
Effective anchorage depth: ≥50 mm (concrete / masonry substrate)
Tensile capacity of a single anchor nail: ≥0.6 kN
Temperature range: -40°C to +80°C
Anti-aging performance: ≥25 years
Appearance: No cracks, no deformation, no rust.
Common lengths include 100 mm, 150 mm, 200 mm, 250 mm, and others.
Scope of Application
Fixing of exterior wall external thermal insulation systems using polystyrene boards, extruded polystyrene boards, rock wool boards, and composite insulation boards.
Reinforcement of thermal insulation systems for mid- and high-rise buildings.
Reinforce the fixing of the thermal insulation system at window and door openings, internal and external corners, plinth areas, and other critical locations.
Anchoring of insulation boards for energy-efficient retrofitting of existing buildings.
Wind-load reinforcement for various exterior wall insulation projects.
Product Advantages
Securely fixed: features an expansion‑locking mechanism, offering strong resistance to pull‑out forces and enhancing system safety.
Weather and durability: resistant to high and low temperatures, aging‑resistant, non‑brittle, with a service life synchronized with the insulation system.
Quick installation: Can be operated by a single person, with simple setup and high efficiency.
Corrosion and Rust Resistance: The metal core nails undergo rust‑proof treatment, making them suitable for a wide range of climatic conditions.
Strong adaptability: It can be applied to a variety of substrates, including concrete, brick walls, aerated concrete blocks, and hollow bricks.
Safe and reliable: When used in conjunction with a full‑coverage finishing mortar, it prevents rusting, eliminates rust migration, and does not compromise the surface layer.
Instructions for Use
Drilling: Drill holes in the adhered insulation boards, with hole diameters matching the anchor nails and hole depths equal to or greater than the anchorage depth plus 10 mm.
Hole Cleaning: Remove dust from the hole to ensure secure anchorage.
Installation: Insert the anchor sleeve through the insulation board into the hole until the sleeve’s flange is flush with the surface of the insulation board.
Core driving: Drive or screw the metal core pin into place, causing the sleeve to expand and securely lock it to the substrate.
Quantity: Typically 6 to 10 per square meter; in high-rise buildings and at corners, spacing should be appropriately reduced.
Coverage: The anchor nail heads must be fully covered with finishing mortar and shall not be exposed.
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