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Jack Gray is an independent commercial roof consultant with over 25 years of experience in the roofing industry. He's trying to make the roofing information you find on the internet better, one article at a time.

Residential

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Average Cost of a Residential Pitched Roof in XXX
Roof Type Average Installed Cost
Per Square Foot
Average Installed Cost
Per Square (100 sq. ft.)
Average Installed Cost
Typical Residential Roof (1,700 sq. ft.)
Asphalt Shingles
3-Tab or Strip Shingles
$5.60 $560 $9,520
Asphalt Shingles
Architectural or Dimensional Shingles
$6.15 $615 $10,455
Asphalt Shingles
Luxury or Premium Shingles
$7.65 $765 $13,005
Cedar Shake & Shingle
Red Cedar Shingles
$13.95 $1,395 $23,715
Cedar Shake & Shingle
Red Cedar Shingles
Class A Fire Rated System
$15.65 $1,565 $26,605
Cedar Shake & Shingle
Red Cedar Shakes
$13.45 $1,345 $22,865
Cedar Shake & Shingle
Red Cedar Shakes
Class A Fire Rated System
$15.15 $1,515 $25,755
Metal Roofing
Exposed Fastener Panels
(Aluminum, Basic Coating)
$11.00 $1,100 $18,700
Metal Roofing
Exposed Fastener Panels
(Steel, Basic Coating)
$8.25 $825 $14,025
Metal Roofing
Exposed Fastener Panels
(Steel, PVDF/Kynar Coated)
$10.30 $1,030 $17,530
Metal Roofing
Metal Shingles
(Aluminum, Basic Coating)
$14.00 $1,400 $23,800
Metal Roofing
Metal Shingles
(Steel, Basic Coating)
$10.50 $1,050 $17,850
Metal Roofing
Metal Shingles
(Steel, PVDF/Kynar Coated)
$13.10 $1,310 $22,275
Metal Roofing
Standing Seam Metal
(Aluminum, Basic Coating)
$17.00 $1,700 $28,900
Metal Roofing
Standing Seam Metal
(Steel, Basic Coating)
$12.75 $1,275 $21,675
Metal Roofing
Standing Seam Metal
(Steel, PVDF/Kynar Coated)
$15.90 $1,590 $27,090
Metal Roofing
Standing Seam Metal
(Copper)
$34.00 $3,400 $57,800
Metal Roofing
Standing Seam Metal
(Zinc)
$23.00 $2,300 $39,100
Metal Roofing
Flat Seam Metal
(Copper, Soldered Seams)
$40.00 $4,000 $68,000
Slate Roofing
Hard Natural Slate (Grade S1)
“Standard”
1/4″ Thick
$24.05 $2,405 $40,885
Slate Roofing
Hard Natural Slate (Grade S1)
“Rough Texture”
1/4″ to 3/8″ Thick
$26.75 $2,675 $45,475
Slate Roofing
Hard Natural Slate (Grade S1)
“Architectural”
3/8″ to 1/2″ Thick
$31.25 $3,125 $53,125
Synthetic Composite
Synthetic Composite Shingles
(Engineered Polymeric Tile)
$12.60 $1,260 $21,420
Tile Roofing
Clay Tile
Flat Profile (Shingle Style)
$15.40 $1,540 $26,180
Tile Roofing
Clay Tile
Mission (2 Piece)
$16.30 $1,630 $27,710
Tile Roofing
Clay Tile
S-Profile (1 Piece)
$14.70 $1,470 $24,990
Tile Roofing
Clay Tile
Premium Styles
$18.50 $1,850 $31,450
Tile Roofing
Concrete Tile
Flat Profile (Shingle Style)
$11.70 $1,170 $19,890
Tile Roofing
Concrete Tile
S-Profile (1 Piece)
$11.20 $1,120 $19,040
Tile Roofing
Concrete Tile
Premium Styles
$14.00 $1,400 $23,800
Tile Roofing
Lightweight Concrete
Flat Tile (Shingle Style)
$12.20 $1,220 $20,740

Commercial (R-30)

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Average Cost of a Commercial Low-Slope Roof in XXX
Roof Type Average Installed Cost
Per Square Foot
Average Installed Cost
Per Square (100 sq. ft.)
Average Installed Cost
Typical Commercial Roof (25,000 sq. ft.)
EPDM Roofing
Ballasted EPDM
45-mil Membrane
With R-30 Insulation
$10.70$1,070$267,500
EPDM Roofing
Ballasted EPDM
60-mil Membrane
With R-30 Insulation
$11.15$1,115$278,750
EPDM Roofing
Ballasted EPDM
60-mil Membrane
No Additional Insulation
$4.85$485$121,250
EPDM Roofing
Ballasted EPDM
90-mil Membrane
With R-30 Insulation
$11.55$1,155$288,750
EPDM Roofing
Mechanically-Attached EPDM
45-mil Membrane
With R-30 Insulation
$13.85$1,385$346,250
EPDM Roofing
Mechanically-Attached EPDM
60-mil Membrane
With R-30 Insulation
$14.30$1,430$357,500
EPDM Roofing
Mechanically-Attached EPDM
60-mil Membrane
No Additional Insulation
$5.35$535$133,750
EPDM Roofing
Mechanically-Attached EPDM
75-mil Membrane
With R-30 Insulation
$14.60$1,460$365,000
EPDM Roofing
Fully-Adhered EPDM
45-mil Membrane
With R-30 Insulation
$14.10$1,410$352,500
EPDM Roofing
Fully-Adhered EPDM
60-mil Membrane
With R-30 Insulation
$14.55$1,455$363,750
EPDM Roofing
Fully-Adhered EPDM
60-mil Membrane
No Additional Insulation
$5.60$560$140,000
EPDM Roofing
Fully-Adhered EPDM
90-mil Membrane
With R-30 Insulation
$14.95$1,495$373,750
Metal Roofing
Exposed Fastener Panels
(Aluminum, Basic Coating)
$11.00$1,100$275,000
Metal Roofing
Exposed Fastener Panels
(Aluminum, PVDF/Kynar Coated)
$13.75$1,375$343,750
Metal Roofing
Exposed Fastener Panels
(Steel, Basic Coating)
$8.25$825$206,250
Metal Roofing
Exposed Fastener Panels
(Steel, PVDF/Kynar Coated)
$10.30$1,030$257,500
Metal Roofing
Standing Seam Metal
(Aluminum, Basic Coating)
$17.00$1,700$425,000
Metal Roofing
Standing Seam Metal
(Aluminum, PVDF/Kynar Coated)
$21.25$2,125$531,250
Metal Roofing
Standing Seam Metal
(Steel, Basic Coating)
$12.75$1,275$318,750
Metal Roofing
Standing Seam Metal
(Steel, PVDF/Kynar Coated)
$15.90$1,590$397,500
Modified Bitumen Roofing
APP-Modified Bitumen
2-Ply System
With R-30 Insulation
$16.75$1,675$418,750
Modified Bitumen Roofing
APP-Modified Bitumen
2-Ply System
No Additional Insulation
$9.15$915$228,750
Modified Bitumen Roofing
APP-Modified Bitumen
3-Ply System
With R-30 Insulation
$19.50$1,950$487,500
Modified Bitumen Roofing
SBS-Modified Bitumen
2-Ply System
With R-30 Insulation
$17.25$1,725$431,250
Modified Bitumen Roofing
SBS-Modified Bitumen
2-Ply System
No Additional Insulation
$9.65$965$241,250
Modified Bitumen Roofing
SBS-Modified Bitumen
3-Ply System
With R-30 Insulation
$20.25$2,025$506,250
PVC Roofing
Mechanically-Attached PVC
50-mil Membrane
With R-30 Insulation
$14.35$1,435$358,750
PVC Roofing
Mechanically-Attached PVC
60-mil Membrane
With R-30 Insulation
$14.75$1,475$368,750
PVC Roofing
Mechanically-Attached PVC
60-mil Membrane
No Additional Insulation
$5.85$585$146,250
PVC Roofing
Mechanically-Attached PVC
80-mil Membrane
With R-30 Insulation
$15.05$1,505$376,250
PVC Roofing
Fully-Adhered PVC
50-mil Membrane
With R-30 Insulation
$14.60$1,460$365,000
PVC Roofing
Fully-Adhered PVC
60-mil Membrane
With R-30 Insulation
$15.00$1,500$375,000
PVC Roofing
Fully-Adhered PVC
60-mil Membrane
No Additional Insulation
$6.10$610$152,500
PVC Roofing
Fully-Adhered PVC
80-mil Membrane
With R-30 Insulation
$15.40$1,540$385,000
PVC KEE Roofing
Mechanically-Attached PVC KEE
60-mil Membrane
With R-30 Insulation
$16.00$1,600$400,000
PVC KEE Roofing
Fully-Adhered PVC KEE
60-mil Membrane
With R-30 Insulation
$16.25$1,625$406,250
PVC KEE Roofing
Fully-Adhered PVC KEE
60-mil Membrane
No Additional Insulation
$7.35$735$183,750
PVC KEE Roofing
Fully-Adhered PVC KEE
80-mil Membrane
With R-30 Insulation
$16.65$1,665$416,250
Spray Polyurethane Foam
SPF 5-Inch Thick
Silicone Coating
Light Prep
$11.50$1,150$287,500
Spray Polyurethane Foam
SPF 5-Inch Thick
Silicone Coating
Heavy Prep
$13.25$1,325$331,250
TPO Roofing
Ballasted TPO
45-mil Membrane
With R-30 Insulation
$10.45$1,045$261,250
TPO Roofing
Ballasted TPO
60-mil Membrane
With R-30 Insulation
$10.85$1,085$271,250
TPO Roofing
Ballasted TPO
60-mil Membrane
No Additional Insulation
$4.55$455$113,750
TPO Roofing
Ballasted TPO
80-mil Membrane
With R-30 Insulation
$11.25$1,125$281,250
TPO Roofing
Mechanically-Attached TPO
45-mil Membrane
With R-30 Insulation
$13.60$1,360$340,000
TPO Roofing
Mechanically-Attached TPO
60-mil Membrane
With R-30 Insulation
$14.00$1,400$350,000
TPO Roofing
Mechanically-Attached TPO
60-mil Membrane
No Additional Insulation
$5.10$510$127,500
TPO Roofing
Mechanically-Attached TPO
80-mil Membrane
With R-30 Insulation
$14.35$1,435$358,750
TPO Roofing
Fully-Adhered TPO
45-mil Membrane
With R-30 Insulation
$13.85$1,385$346,250
TPO Roofing
Fully-Adhered TPO
60-mil Membrane
With R-30 Insulation
$14.30$1,430$357,500
TPO Roofing
Fully-Adhered TPO
60-mil Membrane
No Additional Insulation
$5.35$535$133,750
TPO Roofing
Fully-Adhered TPO
80-mil Membrane
With R-30 Insulation
$14.65$1,465$366,250