View Here : Flat Roof Cost

Usually expect to pay an extra $45 - $80 for vent installation on sloped roof and $35 - $60 on a flat roof. Cost to install skylight on a sloped roof will vary from $290 to $950 depending on skylight size and a roof pitch. On a flat roof the price will be $250 - $600 each.

Roof Cost Calculator: Estimate Roofing Prices Per Square Foot. Estimate roof installation prices for: asphalt or metal shingles, standing seam, TPO, EPDM Rubber, PVC, and Tar & Gravel. ... This is often true with flat roofs made of EPDM rubber, but can also happen with budget quality composite shingles.