Flat Roof Repair in Woodinville WA 98072

Locally Owned & Operated


Looking for the right Roofing company for your home or property? Since 1980 we have been providing Roofing services to the Woodinville area.

(844) 359-2189

(Woodinville WA 98072) �” 

Roofs are generally one of three different classifications: pitched, low-pitch, or flat. Of the three different roof types, a flat roof doesn’t make much sense architecturally because it inherently will not shed rain or snow. Isn’t keeping the elements off the structure a roof’s main job? Flat roofs can indeed keep a building dry, but in a different way than pitched roofs which Flat Roof Sealant Woodinville WA 98072 have gravity on their side.

The first thing to understand when considering a flat roofing system is the different options out there for flat roofs. There are three main flat roofing systems: built up roofs, modified bitumen, and membrane roofs.

Built Up Roofs

This is the traditional tar and gravel roof that many think of when envisioning a commercial flat roof. Basically layers of waterproof material Woodinville WA 98072 are built up with layers of hot tar in between. On top of the built up layers is layer a rock or stone. Traditionally these built up roofs were made of layers of tar paper but newer materials such as fiberglass membranes have become available increasing roof life.

Built Up Advantages

  • Less expensive than bitumen or membrane roofs
  • Attractive to look at
  • The gravel Roofing Felt Woodinville WA 98072 or stone top layer is an excellent fire retardant

Built Up Disadvantages

  • Very heavy
  • May require structural reinforcement to carry the excessive weight
  • High odor and can be very messy to install
  • Finding leaks is difficult
  • Gravel can run off roof system and clog drainage and gutters

Modified Bitumen Roofs

These roofs are system of a single ply rolled roof impregnated by a mineral-based Woodinville WA 98072 topcoat as a wear surface. Originally a torch-down system installed by heating the adhesive, there are now also peel-and-stick torch less systems which are safer and easier to install.

Modified Bitumen Advantages

  • Moderate in price, typically between built up and membrane systems
  • Mineral wear coats can be light in color reducing energy costs by reflecting sunlight
  • Peel-and-stick varieties offer a do-it-yourself option for homeowners
  • Woodinville WA 98072

  • Lightweight

Modified Bitumen Disadvantages

  • The torch-down installation process is a fire hazard
  • Less wear resistant than membrane systems


Also referred to as rubber roofs, EPDM (short for ethylene propylene diene monomer) roofs are a true rubber roof. The membrane is very durable and resists both tearing and sunlight damage. Installation has many options including glue down, ballasted with stone, and anchoring with fasteners.

Membrane Woodinville WA 98072 Advantages

  • Lightweight
  • Easily repaired or patched
  • Scuff and tear resistant
  • Easy to install, even for homeowners

Membrane Disadvantages

  • Vulnerable to punctures
  • Standard EPDM is black and absorbs heat
  • Energy efficient light coatings can cost extra

Understanding the three types of flat roof systems is the first step in choosing the right roof for your building. Consulting with a knowledgeable flat roofing contractor professional Woodinville WA 98072 should be your next step. Using these tips to understand the different options for a flat roof will help you better understand the recommendations by your roofer.

Video: Strip a Flat Felt Roof - Replace a flat roof

Video: How to Repair a Flat Gravel Roof

Video: Flat Roofing - 2 Ways to Find Leaks in Modified Bitumen Rolled Roofing


Video: Toronto Roof Repair - Flat Roof Repair - 2/2

Video: Slope to Flat Roof Transition Issue

Business Results 1 - 10 of 52

John Michael Roofing
30 Reviews
1400 Hubbell Pl, Seattle, WA 98101

North Star Construction
56 Reviews
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19 Reviews
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1 Reviews
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22 Reviews
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Business Results 1 - 10 of 20

Rainier Roof Restoration & Cleaning - Roof Repair and Restorations Service & Roofing Woodinville, WA

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Woodinville Expert Roofers


For quality workmanship and service for your residential and commercial Roofing needs, choose a company with over 38 years of service in the Woodinville area.

Highly Rated

Integrity, quality workmanship and attention to detail have made us one of the most reliable Roofing companies in Woodinville.

Quality Service

We focus on making the process as least disruptive as possible to our clients

Affordable Prices

We work hard to keep our costs low and transfer these efficiency savings on to our customers

100% Washington Licensed Experts

We can complete any size project  in a timely manner, without skipping any steps  or cutting any corners.


(844) 359-2189