Sandwich Panel Screw — Structural & Pre-Engineered Building Fasteners
METAPP® is a precision-engineered sandwich panel screw designed for fastening sandwich panels and fixtures to steel purlins across thickness ranges indicated in the catalogue. As trusted structural fasteners and pre-engineered building fasteners, multiple configurations are shown depending on steel type and clamp requirement — ensuring the right fit for every panel application.
Whether specified as industrial fasteners for cold storage and manufacturing buildings, as roofing fasteners for insulated roof and wall panel systems, or as corrosion resistant fasteners for long-term durability in harsh environments, METAPP® sandwich panel screws deliver reliable clamping, sealing, and penetration performance.
Whether specified as industrial fasteners for cold storage and manufacturing buildings, as roofing fasteners for insulated roof and wall panel systems, or as corrosion resistant fasteners for long-term durability in harsh environments, METAPP® sandwich panel screws deliver reliable clamping, sealing, and penetration performance.
Specifications
Material: Carbon Steel
Head Type: Hex Washer Flange
Thread: Double Thread
Drill Point: LEVIN® 4 Drill Point
Drilling Capacity: Max 8mm
Washer: Grey EPDM washe
Best-Fit Applications
Cold-rolled C-purlins — for sandwich panel screws
Cold-rolled Z-purlins — for structural fasteners
Hot-rolled beams and structural steel members — for pre-engineered building fasteners
Where METAPP® Sandwich Panel Screw is Used?
Use-case:
/1
Fastening insulated sandwich panels (PUF/PIR core panels) to structural steel framing systems — the primary application for sandwich panel screws and structural fasteners in industrial building envelopes.
/2
Roof and wall panel installations where secure penetration through outer sheet, insulation core, and into steel substrate is required — where roofing fasteners and pre-engineered building fasteners must perform across multiple material layers.
/3
Insulated building envelopes requiring long fasteners to accommodate varying panel thicknesses — making sandwich panel screws and industrial fasteners with extended length options essential.
/4
Cold storage, clean-room, and temperature-controlled structures demanding reliable compression and sealing performance — where corrosion resistant fasteners and roofing fasteners must maintain integrity in moisture-rich environments.
/5
Heavy-duty panel fixing where strong pull-out strength and consistent clamping across panel layers are critical — the hallmark of quality structural fasteners and pre-engineered building fasteners for large-span steel structures.
Optional “Common sectors”:
- Cold storage facilities & food processing plants — corrosion resistant fasteners
- Pharmaceutical units & clean rooms
- Industrial warehouses — industrial fasteners
- Manufacturing buildings, logistics hubs & modular structures
- Infrastructure projects using insulated panel systems — roofing fasteners
Fastener Types
METAPP®
Secure insulated sandwich panels to steel with a high-performance sealed fixing system.
Compatible configurations support both cold-rolled purlins and hot-rolled beams for flexible installation.
Designed to deliver thermal integrity, structural stability, and long-term weather resistance.
Quality Checks
METAPP® sandwich panel screws are tested under stringent controls to ensure secure fastening and thermal envelope integrity. As precision-engineered sandwich panel screws and structural fasteners, each screw is verified for strength, sealing reliability, and long-term durability in panel applications.
Steel quality verified for dependable strength — essential for structural fasteners anchoring into hot-rolled steel members.
Heat treatment monitored for uniform hardness — critical for sandwich panel screws penetrating multi-layer insulated panels.
Thread profile inspected for firm anchorage — ensuring pre-engineered building fasteners hold securely in cold-formed steel substrates.
How to Select the Right Sandwich Panel Screw?
Identify panel thickness – Choose the screw length to pass through the insulation core and anchor firmly into the support — selecting the right sandwich panel screw and structural fasteners for the panel build-up.
Match drill capacity – Ensure the drill point suits the steel gauge or structural member beneath the panel — critical for pre-engineered building fasteners and industrial fasteners in thick steel applications.
Quality Checks
Coating tested to resist corrosion — the standard for corrosion resistant fasteners in cold storage and coastal environments.
Drive and pull-out performance confirmed — validating METAPP® as reliable industrial fasteners for heavy-duty panel clamping.
Sealing performance verified — ensuring every roofing fastener maintains watertight fixing under dynamic wind and thermal loads.
How to Select the Right Sandwich Panel Screw?
Verify sealing performance – Use appropriate washers to prevent moisture ingress and maintain insulation efficiency — essential for roofing fasteners and sandwich panel screws in temperature-controlled buildings.
Consider environmental exposure – Select coatings that provide long-term corrosion resistance in harsh conditions — the standard for corrosion resistant fasteners and pre-engineered building fasteners in coastal or industrial environments.
Installation guidance
Choose screw length and clamp range based on total panel thickness + steel type.
Drive perpendicular; set washer correctly for weather seal.
Avoid overdriving (prevents panel damage and seal failure).
