Seamless Metal Roofing

G-Rib Pricing

Admin Only

G-Rib Materials 29 Gauge

Unit Cost is your raw cost. Extra Labor is added per-unit labor. Markup % is applied to (Unit Cost + Extra Labor) to get the final Unit Price.

Item Unit Unit Cost Extra Labor Markup % Unit Price (Computed)

Calculation Pipeline Reference

Subtotal = Materials + Labor + Tearoff

TOTAL = Subtotal + Add to Price
Price/SQ = TOTAL ÷ Squares

G-Rib does not have profile markup or sealant upcharge. Add to Price is added after all calculations.

Waste Factors Hidden from Estimates

Waste factors are shared with Standing Seam. Edit on the SS Pricing page to update both.

FactorCurrent ValueApplied To
Per-SQ Waste by Difficulty
Diff 1 — Easy 1.04× Metal panels, underlayment, tearoff per-SQ
Diff 2 — Moderate 1.075× Metal panels, underlayment, tearoff per-SQ
Diff 3 — Average 1.10× Metal panels, underlayment, tearoff per-SQ
Diff 4 — Difficult 1.13× Metal panels, underlayment, tearoff per-SQ
Diff 5 — Very Difficult 1.15× Metal panels, underlayment, tearoff per-SQ
Trim Waste 1.10× All trim types (Eave, Rake, Ridge, Valley, Sidewall, Endwall, Dip)

Conditional Materials G-Rib Specific

These materials are only included when certain conditions are met.

MaterialCondition / TriggerEditable Value
Ice & Water Shield Solid Decking + G-Rib (all scenarios except Pole Barn). Uses per-roll price from SS Pricing page. No waste factor. See SS Pricing
Bubble Foil All G-Rib jobs (except New Build). Rolls = ceil(SQ / SQ-per-roll). No waste factor. No labor cost.
Framing Boards G-Rib + Solid Decking jobs. Formula: ceil(squares × multiplier) boards × cost per board. No waste factor.
Snow Rail If enabled by contractor. Cost = Eave LF × $/LF. Added to materials.
New Construction Labor Discount % discount on labor when "New Construction" is checked on estimate %

Framing Board Formula — G-Rib + Solid Decking

boards = ceil( squares × 6 )

Total roof squares multiplied by 6 boards per square. Result rounded up to whole boards. Cost per board is editable above.

Labor Surcharges Shared with SS

Labor surcharges are shared between SS and G-Rib. Edit on the SS Pricing page to update both. G-Rib does not have a mechanical lock surcharge.

SurchargeConditionCurrent Value
Small Job Threshold Roof < 20 SQ → +1 difficulty 20 SQ
Distance (60-90 min) Drive time 60-90 min ×1.10
Distance (90-120 min) Drive time 90-120 min ×1.15
Distance (120-150 min) Drive time 120-150 min ×1.20
Distance (150-180 min) Drive time 150-180 min ×1.225
Distance (180+ min) Warning popup displayed ⚠ Warning

Tearoff & Equipment Shared with SS

Tearoff and equipment values are shared. Edit on the SS Pricing page. Note: No dumpster charge for Pole Barn G-Rib jobs.

ItemCurrent Value
Tearoff Base Rate$66.50/SQ
Tearoff Additional Layer$30.00/SQ
Dumpster$750/each (45 SQ/dumpster)
Equipter$300/each (50 SQ/equipter)
Saved!

© 2026 Seamless Exterior Solutions • Arthur, IL • Contact