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Calculate the surface area of your roof

Hip roof area calculator

No pitch required (how )
simple shed roof
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D

Your roof dimensions:

L
l
C
H
Total Roof area: ...
Roof Lengths
Roof Surfaces
Roof Slopes
- L is the length of the roof
- l is the width of the roof
- H is the rise (height) of the roof (3D image)
- C is the ridge length of the roof
- For decimal dimensions, use the dot notation! (.)
simple shed roof
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D

Your roof dimensions:

L
l
C
H
Small dormer:
Lu 0
Lu 1
h
Total Roof area: ...
Roof Lengths
Roof Surfaces
Roof Slopes
- L is the length of the roof
- l is the width of the roof
- H is the rise (height) of the roof (3D image)
- C is the ridge length of the roof
- For decimal dimensions, use the dot notation! (.)
simple shed roof
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D

Your roof dimensions:

L
l
C
H
Large dormer:
Lu 0
Lu 1
Lu 2
h
Total Roof area: ...
Roof Lengths
Roof Surfaces
Roof Slopes
- L is the length of the roof
- l is the width of the roof
- H is the rise (height) of the roof (3D image)
- C is the ridge length of the roof
- For decimal dimensions, use the dot notation! (.)
simple shed roof
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D

Your roof dimensions:

L
l
C
H
Small dormer:
Lu 0
Lu 1
h
Small dormer 2:
Lu 3
Lu 4
h 2
Total Roof area: ...
Roof Lengths
Roof Surfaces
Roof Slopes
- L is the length of the roof
- l is the width of the roof
- H is the rise (height) of the roof (3D image)
- C is the ridge length of the roof
- For decimal dimensions, use the dot notation! (.)
simple shed roof
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D

Your roof dimensions:

L
l
C
H
Large dormer:
Lu 0
Lu 1
Lu 2
h
Large dormer 2:
Lu 4
Lu 5
Lu 6
h 2
Total Roof area: ...
Roof Lengths
Roof Surfaces
Roof Slopes
- L is the length of the roof
- l is the width of the roof
- H is the rise (height) of the roof (3D image)
- C is the ridge length of the roof
- For decimal dimensions, use the dot notation! (.)
simple shed roof
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D

Your roof dimensions:

L
l
C
H
Large dormer:
Lu 0
Lu 1
Lu 2
h
Small dormer:
Lu 4
Lu 5
h 2
Total Roof area: ...
Roof Lengths
Roof Surfaces
Roof Slopes
- L is the length of the roof
- l is the width of the roof
- H is the rise (height) of the roof (3D image)
- C is the ridge length of the roof
- For decimal dimensions, use the dot notation! (.)

Comments:

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Average lifespan of different roof covering materials

  • Asphalt Shingles:

    Lifespan: 15-25 years warranty, lasts 20-40 years
    Advantages: inexpensive, low maintenance, easy to install.
    Disadvantages: Less resistant to wind and rain

  • Architectural Asphalt Shingles:

    Lifespan: 24 – 30 years

  • Fiberglass Shingles:

    Lifespan: up to 50 years
    Advantages: more expensive than asphalt, low maintenance, easy to install.
    Disadvantages: Less resistant to wind and rain

  • Wood shingles:

    Lifespan: around 30 years if properly treated
    Made from: pressure-treated wood
    More expensive tan asphalt shingles.
    Requires periodic maintenance
    Advantages: looks much better

  • Metal or Galvalume:

    Lifespan: 50 years or more.
    Made from: galvanized or stainless steel sheeting
    Light material

  • Cooper:

    Lifespan: can last up to 100 years
    Expensive, but looks good

  • Stone (slate) tiles:

    Lifespan: 50 to 100 years
    Heavy - requires a stronger roof structure

  • Clay tiles:

    Lifespan: 40 to 60 years
    Heavy - requires a stronger roof structure

  • Concrete tiles:

    Lifespan: 40 to 60 years
    Heavy - requires a stronger roof structure

Other factors that can affect a roof's lifespan.
Color: Darker colors absorb more heat so they last less.
Slope: A roof with a high pitch can last longer because snow and rain can not settle on the roof.
Orientation: Roof materials on slopes that face the sun more hours during a day, can have a shorter lifespan.
Ventilation: A well ventilated roof increases the lifespan of the covering materials by reducing heat and by not letting mould mildew and wood rot appear.

Imagine cu mester
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