Kostenloser Kostenkalkulator

Kostenrechner für Schrägdach

Q: Wie wirkt sich die Dachneigung auf die Kosten aus?

Steeper roof pitch increases cost by 20–100%. A 6:12 pitch costs approximately 20% more than a flat roof due to more surface area (11.8% extra), higher waste (10–15%), increased labor time, and OSHA-required fall protection equipment above 4:12.

Q: How much does roof pitch add to labor cost?

Labor rates increase 20–100% based on pitch. Up to 4:12: base rate ($1.50–$3.00/sq ft). 5:12–8:12: 1.2× base. 9:12–12:12: 1.5× base. Above 12:12: 2.0× base due to scaffolding, harnesses, and slower installation speed.

Dieser Steildach-Kostenrechner schätzt die Gesamtkosten eines Dachprojekts basierend auf Neigung, Fläche und Materialart. Die Dachneigung wirkt sich direkt auf die Kosten aus: Eine Dachneigung von 6:12 kostet etwa 3,50 bis 5,50 US-Dollar pro installiertem Quadratfuß, während eine Dachneigung von 12:12 aufgrund erhöhter Arbeitsschwierigkeiten, Anforderungen an die Sicherheitsausrüstung (OSHA-Absturzsicherung über 4:12) und höherer Materialverschwendungsfaktoren 5,00 bis 8,00 US-Dollar pro Quadratfuß kostet. Der Rechner berücksichtigt den Pitch-Multiplikator, den Abfallprozentsatz und regionale Lohnsatzanpassungen.

attach_money Cost Breakdown by Pitch

Roof Pitch: 6:12

Material

$8,940

Labor

$5,366

Waste

$1,073

TOTAL

$15,379

Pitch Multiplier1.118×

Labor Factor1.2×

Waste %12%

attach_money Cost Inputs

Footprint Area

sq ft

Roof Pitch (x:12)

: 12

Material Type

Include Tear-off?

receipt_long Cost Estimate

True Roof Area—

With Waste—

Material Cost—

Labor Cost—

Tear-off Cost—

Total Estimated Cost—

So schätzen Sie die Dachkosten anhand der Neigung ab

Bei der Schätzung der Dachkosten werden die tatsächliche Fläche (Fußabdruck × Neigungsmultiplikator), die Materialkosten pro Quadratmeter, der Abfallfaktor und der Arbeitskostenmultiplikator kombiniert. Höhere Steigungen erhöhen alle drei Kostenkomponenten.

tune Drag the Slider to Change Pitch

Pitch: 6 : 12

0.5:12 24:12

Angle 26.57°

Grade 50.0%

Multiplier 1.118

Type Conventional

square_foot

Berechnen Sie die wahre Dachfläche

attach_money

Wählen Sie Materialkosten

calculate

Wenden Sie den Arbeitsmultiplikator an

Formeln zur Schätzung der Dachkosten

Schlüsselformeln zur Kostenschätzung nach Dachneigung:

straighten Gesamtmaterialkosten

Kosten = Fläche × Multiplikator × (1 + Abfall %) × $/Quadratfuß

2.000 × 1,118 × 1,10 × 4,00 $ = 9.837 $

rotate_right Arbeitskosten

Arbeitsaufwand = Fläche × Grundpreis × Pitchfaktor

2.236 Quadratfuß × 2,00 $ × 1,2 (6:12) = 5.366 $

percent Gesamtprojektkosten

Gesamt = Material + Arbeit + Abriss + Entsorgung

9.837 $ + 5.366 $ + 2.000 $ + 800 $ = 18.003 $

science Live Formula Calculator

Rise

Run

Pitch 6 : 12

Angle 26.57°

Grade 50.0%

Rafter 13.42 ft

Multiplier 1.118

Kostenfaktor nach Dachneigungsdiagramm

Click any row to see the pitch angle visualized. The chart covers all standard pitches from flat (1:12) to steep (12:12) with walkability ratings, material compatibility, and snow shedding performance.

Pitch	Angle	Grade	Multiplier	Type	Walkability	Snow Shedding
1:12	4.76°	8.3%	1.003	Flat/Low	Easy	Poor
2:12	9.46°	16.7%	1.014	Low Slope	Easy	Poor
3:12	14.04°	25.0%	1.031	Low Slope	Easy	Fair
4:12	18.43°	33.3%	1.054	Conventional	Easy	Fair
5:12	22.62°	41.7%	1.083	Conventional	Easy	Good
6:12	26.57°	50.0%	1.118	Conventional	Moderate	Good
7:12	30.26°	58.3%	1.158	Conventional	Caution	Very Good
8:12	33.69°	66.7%	1.202	Conventional	Caution	Very Good
9:12	36.87°	75.0%	1.250	Steep	Unsafe	Excellent
10:12	39.81°	83.3%	1.302	Steep	Unsafe	Excellent
11:12	42.51°	91.7%	1.357	Steep	Unsafe	Excellent
12:12	45.00°	100.0%	1.414	Steep	Unsafe	Excellent

Compatible: All Types

FAQs

Answers to the 14 most common questions about roof pitch, slope angle, walkability, snow load, and roofing materials.

Wie wirkt sich die Dachneigung auf die Kosten aus?

Steeper roof pitch increases cost by 20–100%. A 6:12 pitch costs approximately 20% more than a flat roof due to more surface area (11.8% extra), higher waste (10–15%), increased labor time, and OSHA-required fall protection equipment above 4:12.

What is the cheapest roof pitch?

Low-slope pitches between 1:12 and 3:12 are the cheapest to install. They require less material area (multiplier 1.003–1.031), minimal waste, and faster installation. However, they need specialized membrane materials which can offset savings.

How much does roof pitch add to labor cost?

Labor rates increase 20–100% based on pitch. Up to 4:12: base rate ($1.50–$3.00/sq ft). 5:12–8:12: 1.2× base. 9:12–12:12: 1.5× base. Above 12:12: 2.0× base due to scaffolding, harnesses, and slower installation speed.

How much waste should I add for a steep roof?

Add 5–7% waste for low pitches (under 4:12), 10–12% for moderate pitches (4:12–8:12), and 15–20% for steep pitches (above 8:12). Complex roof shapes with valleys, hips, and dormers require an additional 5–10% waste.

What is the average cost per square for roofing?

One roofing square (100 sq ft) costs $150–$700 installed depending on material. 3-tab shingles: $150–$250/square. Architectural shingles: $300–$500/square. Standing seam metal: $500–$1,200/square. Clay tile: $800–$2,500/square.

Does roof pitch affect insurance cost?

Yes, steeper roofs (6:12 and above) may qualify for wind resistance discounts of 5–15% on homeowner insurance. However, steep roofs cost more to repair, which can offset premium savings. Hip roofs typically receive the best wind resistance ratings.