Mikku and Sons Roofing logo, featuring a roof illustration on a transparent background 623-465-1068

Phoenix Flat Roofs

Mikku and Son's offer many types of residential roofing options in Phoenix Arizona and the surrounding metropolitan. We work with building owners, realtors, property management companies, and insurance companies.
Chris Montgomery
Chris Montgomery
2024-02-16
Excellent work, timely communication, great price, overall outstanding experience. Highly recommend
Robert DiPrimio
Robert DiPrimio
2024-02-06
I highly recommend this company. The coating on my roof was failing and they provided expert advice to repair and prevent leaks. The work was completed over a few days and I received a fair competitive estimate for the work. Overall, very pleased.
Bradley Petroff
Bradley Petroff
2024-01-24
Mikku&Sons did a outstanding job on replacing underlayment on my roof they were very professional and did the job in a very timely manner. I would highly recommend using this company for any of your roofing needs.
Damian Larson
Damian Larson
2024-01-24
Responsive and timely work. High quality
Pete Grimes
Pete Grimes
2023-12-16
Our roofing job was great. The crew was totally professional. The job was not rushed and was skillfully completed. Every phase was explained to us. Our roof looks brand new again.
L S
L S
2023-12-01
A snafu happened during the job, but it was addressed and taken care of immediately. Mikku is a family run business and has old-fashioned integrity, and I would recommend them to anybody replacing their roof.

Flat roof homes have particular requirements. Steep sloped roofs rely on gravity to shed water, but flat roofs depend on drains and a waterproof membrane to protect the property below it.

The term ‘flat’ is a little bit misleading because no roof is completely flat. If it were, you’d be living under a small lake on your roof.

“Gradual slope” is a better description of what’s commonly called a flat roof. Gradual slope roofs have at least a 1/4 inch of slope per foot (or more) so water can flow downhill to drains that direct it to the ground.

Flat Roof Types

  • Polyurethane Foam: Polyurethane foam is sprayed directly onto the roof.  It  then “foams up” and turns solid before applying a protective coating. Its also very flexible, so its especially useful for roofs with unusual shapes or angles. Foam has several advantages over other types of flat roofing systems. One of the main ones is protecting against heat so it can cut down your air conditioning bills.
  • Built-up Roofs: Many times, built-up roofing is called “hot tar roofing.” Built-up roofs are a very old and time tested method that are made of three or four overlapping layers of asphalt felts that are fused together with hot asphalt. They have to be protected from weather, sunlight and people walking on it by some kind of surface material like gravel, a mineral granule covered top layer, a smooth coat of hot asphalt or some sort of reflective coating.
  • Modified Bitumen: Like built-up roofing, modified bitumen is made of reinforced asphalt felts. But the asphalt in the felts have plastic or rubber polymers added to improve elasticity, durability and overall performance. Due to the added polymers, it’s often applied in a single layer with overlapping seams. They then can be attached to the roof with hot asphalt or an adhesive, or by using propane torches to melt the asphalt underside. Some modified bitumen require protective surfacing materials, usually mineral granules or a liquid coating.
  • Single Ply: Single ply roofs are made of rubber, plastic or a combination of both. Single ply membranes are applied in a single layer. Installing it is relatively easy: roll out the membrane, heat weld the seams between the sheets, or chemically weld or glue them together. Its then attached to the roof with fasteners, ballast or adhesives.

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