• Tar and Gravel Roof Guide CREST Roofing & Co

    Nov 22 2016· The weight on your roof Compared to lightweight systems like SBS or EPDM tar and gravel roofs are very heavy With SBS there are usually a couple layers of a synthetic rubber product but with tar and gravel there are three or more layers of tar felt or fibreglass layers and small rocks

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  • Converting a Tar and Gravel roof to metal or membrane

    May 02 2018· If you have a tar and gravel low slope roof (typical of constructions in many areas in Montreal) you may consider changing the roofing material to something else Two common alternatives to tar and gravel are two ply membrane assembly and standing seam hidden fastener metal panels Tar and Gravel First let's talk about what makes a good tar and gravel roof work

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  • House with a gravel roof Do you replace? Tell me everything

    My previous business was a roofing and construction company We specialized in flat roofs and did hot tar and gravel up until 2004 The tar and gravel is a great roof when it is new but in this day and age I would go with a TPO or EPDM rubber roof They are more maintenance friendlier than a tar roof

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  • The Pros and Cons of Roofing Tar homeadvancement

    Roofing tar is often used for tar and gravel roofs or to fix leaks on a roof Pros and Cons of Roofing Tar Roofing tar is a good choice for a flat roof as this kind of material is highly resistant to the ultraviolet rays from the sun Roofing tar will also protect your roof from wind and from snow and water which can collect on a flat roof

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  • Built UP or BUR Roofing Inspections Roofing Product

    Built Up roofs or BUR or "tar and gravel" roofs (if tar and gravel top coat were applied) are constructed traditionally using multiple layers of heavy weight roofing felt (roof plies) cemented together by hot mopped asphalt Cold applied asphalt methods are also used for some BUR roofs

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  • Materials to Fill in Low Depressions on Flat Roofs | Hunker

    Materials to Fill in Low Depressions on Flat Roofs This type of application is ideal for flat roofs made of asphalt metal or concrete Cover the application with gravel or tar to fit the existing roof composition By creating an account you agree to the Hunker

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  • 2019 Average Tar and Gravel Roof Installation Costs How

    Tar and Gravel Roof Average Costs Tar roof costs may vary depending on the materials used the difficulty of the installation your location and other factors The cost to install a tar and gravel roof is $250 to $450 per square foot For an average sized 1 500 square foot roof that's a

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  • Flat Roof Repair Causes of Leaks Repair Costs & DIY Fixes

    As mentioned earlier all other types of flat roofs such as modified bitumen tar and gravel PVC and TPO are a lot more challenging to repair require special tools and expert knowledge When is roof replacement necessary? Flat roof replacement is a costly and time consuming option and it should really be your last resort

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  • Tar and Gravel Roofing A Quick Overview

    Advantages of a Tar and Gravel Roof Of all the flat roofing options a tar and gravel roof is the most economical It provides excellent protection against UV rays and is an attractive option for windows and decks that overlook the roof Gravel is an excellent fire retardant Also a tar and gravel roof is very rugged and safe to walk on

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  • An Alternative to a Built Up Tar and Gravel Roof J&M

    Ponding water is a common problem among tar and gravel roofs if they are poorly constructed So if you choose this roofing system be sure to hire the right contractor Good tar and gravel roofing contractors will adhere to strict engineering requirements to promote proper water drainage

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  • Tar & Gravel Roof Repair Commercial Coating Pros

    Tar & Gravel Roof Repair Our process to restore tar & gravel roofs is a step by step process to refurbish the existing flat roof system or for a "tapered" system that will provide a slope for removing any ponding or standing water Spray Polyurethane Foam is a closed cell application that provides waterproofing and additional roof

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  • What is a Tar & Gravel Roof? | Urecoat Inc Spray Foam

    Apr 01 2014· Repairs and maintenance for tar and gravel roofs can be very complex as it is often hard to find where the leaks are in the system Due to the materials used tar and gravel roofs are not lightweight and over time can start to cause sagging leading to ponding water in low areas This will eventually cause leaks and deterioration in the roofing

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  • How to Remove Tar and Gravel Roof | Hunker

    Removing a tar and and gravel roof means hard labor To cut down on the sweating and broken backs the right tools are absolutely essential If you just go at the tar and gravel roof with a shovel you are going to be up there all day all week or all month

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  • How to Repair a Roof That Is Ponding | Home Guides | SF Gate

    Ponding can occur on flat and low slope roofs that are installed using tarpaper roofing tar and fine gravel or a similar built up system Low spots in the roofing allow water to pond which can

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  • Materials to Fill in Low Depressions on Flat Roofs | Hunker

    Materials to Fill in Low Depressions on Flat Roofs This type of application is ideal for flat roofs made of asphalt metal or concrete Cover the application with gravel or tar to fit the existing roof composition By creating an account you agree to the Hunker

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  • Modified Bitumen Repair | Commercial Roofing | San Jose

    Modified Bitumen Roof Repair A Modified Bitumen Roof is stronger than a traditional tar and gravel roof or a cap sheet roof It can be 2 or 3 plies smooth or with a mineral surface torched down APP mopped on SBS or self adhering

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  • Flat Roof absoluteroofing

    Flat Roof Flat roofs are common in areas with little rainfall or snow and on industrial buildings with wide roof spans but are also found on homes with large areas on roofs that have a small or no pitch The following products are typically used on flat roofs Tar and gravel roof This type of roofing is used primarily on flat roofs up to a 3 in 12 pitch

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  • I'm buying a '50s modern house with a "gravel" roof Is

    Oct 16 2018· Ponding The puddling of water on an area of a roof is called ponding A built up roof is designed to accept water puddles on the surface without leaking but the rule of thumb is that any area of standing water on the roof 48 hours after a rain is considered a problem A built up tar and gravel roof has an average lifespan of 20 to 30

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  • Why Put Gravel on a Flat Roof The Purpose of Gravel on

    There are different types and weights of gravel used on flat roofs for these purpos Gravel to protect Built Up Roofs A built up roof (BUR) sometimes called a tar and gravel roof is a tried and true style of flat roof Here alternating layers of roofing felt (usually fiberglass) and hot applied asphalt are combined to create a long

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  • Flat Roofs Florida Standard Roofing

    Built up roof membranes referred to by the acronym BUR have been in use in the US for more than 100 years These roof systems are commonly referred to as "tar and gravel" roofs BUR systems generally are composed of alternating layers of bitumen and

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  • Building roof replacement Forum Bob Vila

    We have a vacation condo at the beach that is a 40 year old wood frame building The current roof has a classic tar and gravel type roof (flat) and is about 12 000 square feet

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  • Roofing Materials | Guide To Roof Materials

    Tar & Gravel Also known as the built up roof it is used primarily on flat roofs up to a 3 in 12 pitch Even flat roofs are sloped somewhat to prevent water from ponding Tar and gravel roofs are constructed from alternating layers of heavy roofing felt and hot asphalt or tar and finished with a protective mineral coat such as gravel or mica

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  • 2019 Average Tar and Gravel Roof Installation Costs How

    Tar and Gravel Roof Average Costs Tar roof costs may vary depending on the materials used the difficulty of the installation your location and other factors The cost to install a tar and gravel roof is $250 to $450 per square foot For an average sized 1 500 square foot roof that's a

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  • Flat Roof Installation Over Tar and Gravel most

    Jul 24 2015· Installing a Modified Bitumen 2 Ply Torch Down Rubber Membrane over an existing Tar and Gravel is the most cost effective way to replace a flat roof There is no need to remove the existing roof

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