Flat Roof Per Square Foot

Take the roof s total square footage and divide by the total square footage handled by one drain.

Flat roof per square foot.

Cost can add up quickly especially if you re a novice and have never attempted a 3 layer torch down roof installation before. The above sizing data is offered as a guide only. Pounds per square foot lb ft 2 pounds per square 100 sq. Flat roof installation costs tend to be about the same regardless of roof type.

Flat roof costs 8 000 16 000 depending on the material you choose. For example if you have a 1 500 sq ft. Asphalt shingles 3 tab or strip 1 95 lbs. Is polyvinyl chloride pvc single ply membrane which costs between 350 750 a square 100 sq ft on average.

You can quickly estimate flat roof replacement costs for the following materials. Single ply membranes tpo pvc epdm rubber. Ft kilograms per square meter kg m 2 source. Installing a simple 1 600 sq ft.

The average cost to replace a flat roof is 5 10 per square foot. The result is the number of drains needed. On one hand you want a substance that has nice aesthetics while fitting within your budget. Asphalt shingles luxury 4 25 lbs.

Asphalt roll roofing costs 4 00 per square foot installed 3 250 4 750. Calculate drains needed. This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table. Flat roofs can cost anywhere from 200 to 700 per square to install a square equals 100 square feet.

The most common type of flat roof material in the u s. Built up roof bur. Building a flat roof costs approximately 5 00 to 10 00 per square foot. Assuming an average roof size of 1 500 square feet that s a total cost of 2 250 to 15 000.

On the low end prices start at 3 50 4 00 per square foot materials and installation but that is for very large commercial projects. Is various layers of insulation glue and waterproof materials applied separately. I would strongly recommend you hire a licensed and insured roofing contractor to perform the installation for you. Bur is a time tested roofing type but very labor intensive.

Silicon is the agreed upon premier spray coat application but the material costs can drive installation prices up to 7 50 to 12 50 per square foot or more. 3 layer torch down roof total average cost per square foot 4 00 4 72 5 55. Built up roofing costs 5 00 to 6 50 per square foot installed 4 750 8 500. 4 10 per square foot.

Choosing an appropriate flat roofing material is a two part process. For a roof with 2 500 square feet or 25 squares which is fairly typical that s anywhere from 5 000 to 17 500. Roof is 5 000 to 11 500 with most homeowners paying around 7 500 for the project. For a decent quality tpo membrane pricing starts at 5 50 6 00 per square foot installed without tear off.