Galvanized Steel Roofing Screws are specially designed to be : used for the attachment of TPO thermoplastic membranes to approved substrates. Screws and plates will be used with TPO heavy duty or general purpose fasteners for 22 gauge steel, wood, or structural concrete decks. They can also be used with SRD Roof Fasteners to attach membranes to structural steel purlins. Material：Hardened Carbon Steel. Thread Diameter: 6.3mm. The regular length can be 32mm-280mm (1 1/4"-11") or customized. FM approved.

Wide Usage: Roofing Projects： Substrates of PVC/TPO/EPDM membranes as well as insulation boards and SRD FLEXROOF systems are applied in the roof area. 
Higher quality steel: Galvanized Steel Roofing Screws are specially designed to be : used for the attachment of TPO thermoplastic membranes to approved substrates. 
Corrosion resistance: Tested by SGS, 15 cycle Kesternich test, no red rust (GB 9789). 1500hr salt spray resistance NSS test, no red rust (GB/T 10125). Comply with FM 4470, ASTM D6294, DIN 50018 standard. 
Great pull out resistance: Using with TB fixing tube, IB, IC, top metal plate, metal strap, Fl-P-16.0/6.8-PVC/TPO/EPDM non-porous plate, FPD nylon plate. Great pull out resistance. 
Provide warranty service: SRD-WATERPROOFING will provide a fifteen (15) year warranty on the installed roof system. A twenty (20) year warranty is also provided.

Product Attributes

Model No.: SRD-RA-A001a

Warranty: 5 Years

After-sale Service: Online Technical Support, Onsite Installation, Onsite Training, Onsite Inspection, Free Spare Parts, Return And Replacement

Alloy Or Not: Is Alloy

Secondary Or Not: Non-Secondary

Project Solution Capability: Graphic Design, 3d Model Design, Total Solution For Projects, Cross Categories Consolidation

application: Office Building

design style: Modern, Industrial

Brand Name: SRD

Model Number: SRD ROOFING SCREW

Type: Screw, Roofing accessory

Advantage: Environmental Protecting Product

Usage: roofing system

Format: Iron

Shape: Round

After-sales service: Other

Whether alloy: Is Alloy

Second hand: Non-Secondary

Engineering solution capability: Others

Application scenario: Villa, Hotel, Sports Venues, Apartment, Leisure Facilities, Supermarket, Office Building, Hospital, Warehouse, Workshop, School, Park, Mall, Farmhouse, Courtyard

Place of Origin: Jiangsu, China

Supply Ability & Additional Information

Packaging: packed with box and loaded on the pallet

Transportation: Express,Ocean,Air,Land

Supply Ability: 60000 Piece/Pieces per Day

Payment Type: L/C,D/P,D/A,T/T

Incoterm: FOB,CFR,CIF,EXW,Express Delivery

Packaging & Delivery

Selling Units: Piece/Pieces

Package Type: packed with box and loaded on the pallet

FAQ

1. who are we?
We are based in Jiangsu, China, start from 2019,sell to Domestic Market(30.00%),North America(20.00%),Western Europe(20.00%),Eastern Asia(10.00%),Northern Europe(10.00%),Eastern Europe(5.00%),Africa(3.00%),Mid East(2.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Waterproofing Materials

4. why should you buy from us not from other suppliers?
SRD is the professional leading manufacturer/trader with waterproofing materials, and we supply high quality below grade Pre-applied HDPE system, High quality PU liquid applied foundation wall, deck washroom and kitchen, and other tapes and sealant product

5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW；
Accepted Payment Currency: USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Western Union。