Need a fast, affordable roofing solution for a shed, garage, porch, or low-slope addition? Rolled roofing has been the go-to material for exactly these applications for over a century, and it remains the cheapest roofing option you can buy — typically $1.50-$3.00 per square foot installed, compared to $4-$8 for asphalt shingles. But cheap does not always mean the right choice. Understanding where rolled roofing works well and where it falls short helps you avoid an expensive redo in 5 years.
Part of our Roofing guide — explore the full guide →
What Rolled Roofing Actually Is
Rolled roofing, also called mineral surface roll roofing (MSR), is essentially the same asphalt-saturated fiberglass material used in standard shingles — just manufactured as a continuous roll rather than individual tabs. A standard roll measures 36 inches wide by 36 feet long and covers approximately 1 square (100 square feet) of roof area. Each roll weighs 50-75 pounds depending on the thickness and manufacturer.
The material comes in two main varieties:
- Mineral surface (granulated): The top surface is coated with ceramic granules, similar to shingle surfaces. Available in black, brown, gray, tan, and green. This is the most common type for visible roofing applications
- Smooth or selvage edge: Half the width has granules and half is smooth (designed to be overlapped by the next course). Creates a double-layer coverage when installed properly, increasing durability
Cost Breakdown
Rolled roofing is the most budget-friendly option in the roofing aisle. Here is what to expect:
- Material cost: $30-$60 per roll (100 sq ft of coverage). That works out to $0.30-$0.60 per square foot — a fraction of the $1-$2 per square foot for architectural shingles
- Roofing cement and nails: Budget an additional $20-$40 per 500 square feet for roofing cement (used to seal laps) and 1-inch galvanized roofing nails
- Professional installation: $1.00-$2.50 per square foot for labor, though many roofers charge a minimum fee of $500-$800 regardless of project size
- DIY total cost: A 200-square-foot shed roof runs roughly $80-$150 in materials
Where Rolled Roofing Makes Sense
This material excels in specific applications. It is a poor choice for your main home but ideal for:
- Sheds and outbuildings: The most common use. Quick to install, inexpensive, and adequate for structures without climate-controlled interiors
- Garages: Detached garages with simple roof lines benefit from the low cost and easy installation
- Low-slope roofs (1:12 to 2:12 pitch): Rolled roofing can be installed on pitches as low as 1:12 when fully adhered with roofing cement, whereas standard shingles require a minimum 2:12 pitch
- Temporary roofing: Need a functional roof for 5-8 years while you save for a full replacement? Rolled roofing buys time at minimal cost
- Covered porches and carports: Low visibility and low stakes make these ideal candidates
Installation: Exposed Nail Method
The exposed nail method is the fastest rolled roofing installation technique and works well for sheds and outbuildings. Total installation time for a 200-square-foot roof is 2-4 hours for one person.
- Clean the roof deck and install drip edge along the eaves and rakes
- Snap a chalk line 35 inches from the eave edge (leaving 1 inch of overhang for the first course)
- Roll out the first course along the eave, aligning the bottom edge with the drip edge overhang
- Nail along the top edge every 8-10 inches, approximately 1 inch from the edge. Nail the bottom edge and ends the same way
- Apply a 2-inch-wide strip of roofing cement along the top edge of the first course where the next course will overlap
- Install subsequent courses with a 4-inch overlap (some manufacturers specify 6 inches — check the product instructions)
- Nail and cement each course the same way, working up toward the ridge
- Cap the ridge with a 12-inch-wide strip of rolled roofing bedded in roofing cement on both sides
Concealed Nail Method for Better Performance
For rolled roofing installations that need to last longer and resist wind better, the concealed nail method hides all fasteners under overlapping material. Nails go only along the top edge of each course, and the overlap from the next course covers them completely. Combined with a full bed of roofing cement in the overlap zone, this method significantly reduces the risk of leaks at nail holes — the primary failure point for rolled roofing.
The concealed method takes roughly 50% longer to install and uses more roofing cement, but it extends the useful life of rolled roofing by 2-4 years and handles wind speeds up to 60 mph versus 40-50 mph for exposed nail installations.
Pros and Cons Compared to Shingles
Advantages
- Costs 60-75% less than asphalt shingles
- Installs in a fraction of the time — no individual tab alignment
- Works on lower-pitch roofs where shingles cannot be used
- Lightweight, putting less stress on the roof structure
- Easy for DIYers with basic hand tools
Disadvantages
- Lifespan of 5-10 years versus 20-30 years for architectural shingles
- Lower wind resistance (40-60 mph versus 110-130 mph for quality shingles)
- Thin single-layer coverage offers less protection from hail and impact
- Limited color options and a flat, utilitarian appearance
- Not recommended for primary residences — may affect home resale value
- Most building codes prohibit rolled roofing on occupied dwellings in many jurisdictions
Maintenance and Lifespan
Expect 5-8 years from exposed nail installations and 8-12 years from concealed nail or fully adhered installations. The primary maintenance task is inspecting lap seams and nail heads annually, resealing any that show lifting or cracking with fresh roofing cement. UV degradation is the main enemy — the thinner material and lower granule density mean rolled roofing weathers faster than shingles in direct sun.
Applying a reflective roof coating ($30-$50 per 5-gallon bucket, covering 250 square feet) after the first 2-3 years extends lifespan and reduces heat absorption. Silver or white aluminum roof coatings are the most popular choices for this purpose and add 3-5 years when reapplied every 3 years.
