Complete Buyer's Guide to Requesting Sandwich Panel Quotes
Ensure zero site cutting scrap, select the correct insulation core, and receive an accurate proforma invoice with freight included on your first inquiry.
Clarify Project Scope and Envelope Dimensions
Determine whether your scope includes roof cladding only or a complete envelope (roof + external walls + internal partitions). Provide width, bay length, eave height, and roof pitch (%). If available, attaching architectural DWG or PDF drawings enables our engineers to verify exact takeoffs within hours.
Specify Insulation Core by Fire Codes and Climate
Verify statutory building code requirements: Class A1 Rockwool is mandatory for property boundary walls and combustible storage; PIR (B-s1, d0) offers maximum thermal efficiency with FM approval; PUR provides outstanding insulation value; and EPS serves budget-sensitive modular projects.
Confirm Purlin Spacing & Custom Cut Lengths
Clear spans between rafters determine allowable load deflection. SerPan Metal manufactures panels cut to exact order lengths from 2.00m up to 13.50m. Ordering single-run ridge-to-eave lengths eliminates vulnerable transverse end-lap joints and prevents costly on-site cutting scrap.
Consolidate Flashings, Screws and Trims into One Shipment
Building envelope longevity relies on precision trims. Consolidating color-matched ridge caps, eave drips, barge boards, EPDM-washered saddle fasteners, and profile foam fillers into a single container or truckload eliminates expensive jobsite delays and multiple delivery surcharges.
- Comparing sqm prices without verifying steel gauge: A 0.40/0.40mm panel has 25% lower structural deflection capacity than a 0.50/0.50mm specification.
- Sourcing flashings separately: Searching for matching flashings after panel delivery doubles crane mobilization and crew idle costs.
- Overlooking offloading logistics: Road trailers and shipping containers require pre-arranged mobile crane or forklift equipment on site.
To submit detailed project drawings for proforma quotation, please visit our Quote Request Page.