How Much Does a Slate Roof Cost in Fairfax?

Jun 4, 2022Blog, Fairfax, Slate Roofing

Slate roofs are the height of luxury and becoming more and more popular for homeowners in Fairfax that are looking to give their property that little extra something.  Premium products come with premium price tags, though.  Knowing the general cost of a slate roof in Fairfax will save you from sticker shock when you get further into the process of installing your new slate roof.

Average Cost of Slate in Fairfax

The average cost of a new slate roof in Fairfax is between $15,725 and $37,400 with an average price per square foot of around $9.25 and $22.00 installed.

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Cost to Install a Slate Roof on Average Fairfax Home

The average home size in Fairfax is 2150 square feet, so the cost to install a slate roof on the average Fairfax home is around $19,888 and $47,300.

How Your Slate Roof Cost Can Vary

There are many different factors that will affect the final cost of your slate roof installation in Fairfax.  If you’re ready for a more accurate quote, call BRAX Roofing in Fairfax, today for a free estimate!

Size of Roof

The size of the roof is determined by calculating the surface area of the roof.  The base square footage of the home is multiplied by a pitch multiplier that accounts for the slope of the roof.  As a roof get steeper the surface area gets large which means more materials and labor costs.  The pitch of the roof is defined as the distance the roof travels vertically over a 12 inch span and each pitch has a corresponding industry standard multiplier that can be used to calculate the surface area.

  • 1000 square foot roof: $9,250 to $22,000
  • 1250 square foot roof: $11,563 to $27,500
  • 1500 square foot roof: $13,875 to $33,000
  • 1750 square foot roof: $16,188 to $38,500
  • 2000 square foot roof: $18,500 to $44,000

Type of Slate

Natural slate comes in two main forms: hard and soft.  Hard slate is more durable and longer lasting, but also more expensive.  There are also innovative new slate roofing products on the market like GAF TruSlate which combines the beauty and durability of hand-split, quarried, natural slate with high-tech waterproofing for a product that gives the best of both worlds by balancing beauty, longevity, and price.  While still expensive in comparison to other roofing materials, TruSlate can give you the slate roof of your dreams at a fraction of the cost for your Fairfax home.

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New Install vs Replacement

Whether your roof is a brand new installation or your replacing an existing roof can have a big impact on the cost of the roof.  When a roof is replaced, the old roofing materials must be torn off and disposed of – this is true for all types of roofs, not just slate.  There are additional labor, material, and equipment costs associated with tearing off the old roof.  Additionally, slate roofs are unique in that they are very, very heavy.  When a natural slate roof is installed, the structure underneath should be built to withstand that weight.  A new construction home that will have a slate roof installed will be built with this weight in mind, but if you’re dreaming of installing a slate roof on your existing Fairfax home you may be facing a hefty cost to retrofit your home to withstand the weight.

Labor Costs

Labor costs typically account for around one-third of the cost of a new roof installation.  The cost of labor can impact the overall cost of your roof in the following ways:

  • The number of roofers working
  • The number of hours worked
  • The cost of labor per hour of each roofer

Slate, in particular, requires expert installation from fully trained specialists, which means labor costs will be much higher over alternative roofing materials like asphalt shingles.

If you’re ready for a new slate roof for your Fairfax home, call BRAX Roofing, today, for a free estimate!

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