Knowledge Base
Door buying guides, ratings explained, installation tips and product knowledge from Skylink engineers.
Door Project Buyer's Guide: MOQ, Lead Time and Shipping from China
Typical MOQs and lead times for steel, wooden, WPC orders from Chinese factories, plus packing, shipping terms and documents.
How to Choose a Fire Door Manufacturer for Export Projects
Certificates first, then production depth, then export service. Nine questions that separate a genuine fire door factory from a trading intermediary.
Fire Door Maintenance Checklist (Every 6 Months)
Twelve checks that keep fire doors inspection-ready: gaps, seals, closers, hinges, labels, glazing and hardware — with pass/fail guidance.
Fire Door Installation Requirements: Frame, Seals, Gaps and Hardware
A certified fire door only performs if installed correctly: frame anchoring, 3–4 mm gaps, uninterrupted seals and certified hardware — a practical checklist.
How Fire Doors Are Tested: Furnace, Hose Stream and Evidence
Inside a fire door test: the furnace ramp, integrity criteria (cotton pad, gap gauge), insulation limits, hose stream, and what the certificate proves.
Fire Door Standards Compared: EN 1634-1, BS 476, UL 10C and GB 12955
The four fire door test standards that matter for export projects — what each measures, how classifications differ and how to choose which to certify.
What Are WPC Doors? Material, Pros, Cons and Best Applications
WPC (wood-plastic composite) doors combine wood fiber and PVC. Waterproof, termite-proof and low maintenance — ideal for bathrooms, kitchens and humid climates.
Steel Doors vs Wooden Doors: Which Should You Choose?
Steel doors win on certification stability, security and humidity resistance; wooden doors win on interior warmth and finish. A practical comparison for projects.
FD30 vs FD60 vs FD90: Fire Door Ratings Explained for Buyers
FD30, FD60 and FD90 describe how long a fire door holds integrity. Compare ratings, matching EN and UL classes, and where each rating is typically required.