How To Install Roll Roofing?: Guidelines And Procedures

By: John Garcia | Date Posted: September 23, 2021

Do you know how to install roll roofing? Roll roofing is put over exposed wood sheathing as well as sheeting that has been primed. The sheathing would be better protected against dampness and leaks if roofing felt is applied first.

Employ roll roofing as a cost-effective roof solution. Installing this material is simple and just takes basic carpentry abilities.

Choose roll roofing for such a practical alternative when aesthetics isn’t as crucial. It’s built of materials comparable to composite shingles although it’s not as durable.

Verify the guarantee, which may be limited to one year. Should last longer when you construct and how to install roll roofing that uses the double-coverage approach.

You can utilize the exposed-nail technique if the roofing is slanted. Use the shrouded approach for a slightly slanted roof.

Have double coverage on some kind of flat or almost flat roof, while a torch-down thermoplastic polymer or EPDM roof would be a superior option.

Consider spending half a day constructing flashings as well as roll roofing for something like 700-square-foot roofing with minor issues, working with such a helper. Remove the old shingles from the roof and prepare for just a reroof simply ripping them off.

Very basic carpentry qualifications are necessary to install such roofing material because it is the easiest of the roofing components to install.

How To Install Roll Roofing?

Materials to be rolled out

If necessary, install sprinklers, flashings, roofing felt, as well as WSU. Although metal valley bridging can be installed, it is more customary to begin applying an 18-inch-wide band of roll roofing.

Place it on a layer of roofing cement, level out any creases, and then attach it to the edge.

Join the First Course

Place the first course approximately 1/4 inch overhanging the drip edges as well as roll this out a length of 8 feet perhaps once. At one end of the rake, insert nails every 3 inches, draw it taut, as well as drive nails along the exhaust vent edge.

Nails ought to be 1 inch away from the edges. Install a 3-foot-wide border in front of the 18-inch for added protection.

Affix the second sheet

Each following sheet overlaps the previous by 4 inches and, in the case of certain kinds of roll roofing, quite enough to conceal the bare mineral covering the region.

Snap a straight edge indicating the head of the second sheet, and stretch it out towards the line, after which nail it in place as you did with the first.

Pour Roofing Cement on the Roof

Make sure that neither two welded joints are more than 2 feet apart. Apply a 6-inch-wide coating of roofing cement along the first module’s edge, then press the next sheet into the cement.

Vents that are sealed

Apply roofing cement together around the plumbing outlet to seal it. Cut a 2-foot-wide hole in the middle of the roofing as well as slip it across the pipe. Each piece should be at least 4 sizes bigger than the lower course.

Drill a hole inside the roll sheeting and cover it with it. Cement two roofing sections together. Add a startup flashing for extra security.

The Valley Overlap

Build 2 feet beyond the center of a valley through one side roof. Moving from the opposite side, overlapping the valley, draw a chalk outline, then trim the section at the valley’s center.

Keep screws at a minimum of 12 inches from either the valley’s center; for anything closer than 12 inches, have used a 4-inch-wide layer of roofing adhesive.

Place the final piece in place.

Throughout most cases, you may simply overlap roofing sheets at the crest and finish with roofing cement as well as nails.

Wrap the top with a 16-inch-wide piece sunk in cement if indeed the finishing touch does not reach down at some point 8 inches beyond the apex.

Roll Roofing Recommendation List

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42″ x 286′ Roof Roll Protector Underlayment

42" x 286' Roof Roll Protector Underlayment


  • 0.25 millimetre thickness
  • 21.7-pound item weight

The four-layer architecture provides exceptional grip to the deck, product strength to prevent tearing at fastener sites, and good grip-ability to prevent slippage.

DuPont Roof Protector has ten squares per roll, designed for increased roof coverage as well as efficient construction it is easier to transport than roofing thought.


As just a result, there are many fewer overlaps, stitches, and fasteners, resulting in labor and waste savings.

DuPont Roof Protector can withstand the worst conditions because of its superior durability as well as thermal stability compared to the roofing felt.

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  • or simple handling, it’s lightweight.
  • Tear resistance is exceptional.


  • UV exposure for 90 days after installation

Single Roll of HydroShield Synthetic 50-Year Underlayment

Single Roll of HydroShield Synthetic 50 Year Underlayment


  • 250 linear feet of roll length
  • 48in. roll width,
  • 2.0 pounds per square foot

This Hydroshield 50-year flooring is made entirely of synthetic fibers and features a greyish-blue spunbond non-woven textile surface.

Each underlayment is Shielded BY THE Guard because it has high tear resistance and a squeeze, non-woven backer constructed of Aqua Trak that is treated with a sticky, back-side, drop coating for added walking traction as well as installation security.

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  • For increased installation safety, the back surface was slip-resistant.
  • UV-protected
  • The use of a pre-printed fastening pattern, as well as overlap lines, speeds up the installation process.


  • It’s OK to leave this out for up to six months.


Hydroshield 50 is UV resistant and therefore can be left out for up to six months. Rooftop jacks, toe-boards, and perhaps a storage platform need also be attached to support roofing systems placed on the rooftop, depending just on the inclination of the roof as well as the surface layer.

4′ x 250′ Tyvek 160 Protec Roof Underlayment – 1 Roll

4' x 250' Tyvek 160 Protec Roof Underlayment - 1 Roll


  • Item Weight: 31.1 lbs.
  • Color ‎Green

The designed synthetic roofing membrane DuPont Protec  Tyvek 160  Roof Underlayment has industry-leading pedestrian movement.

It can be utilized under a number of roofing materials, such as asphalt shingles, wood, or shingled roof cladding, as well as being best suited for gradients of 2:12 or greater.

With something like a slip-resistant covering fastening it to the rooftop, woven polypropylene for durability, a water barrier surface, as well as grooves just on the top layer evacuating water and debris to provide such a safe and secure working environment, this four-layer architecture offers great performance.

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  • It doesn’t have any wrinkles.
  • It’s simple to chalk
  • Like a moisture barrier, it protects your roof during construction.


  • A single color


Asphalt shingles, wood shingles, tile, granite, as well as metal roofs are all compatible. This is a dependable safeguard that can provide better peace of mind to both experienced builders as well as homeowners.

MFM Self-Seal Self-Adhesive Roofing  (1, 36in. Gray)

MFM Self-Seal Self-Adhesive Roofing  (1, 36in. Gray)


  • The width of each roll is 33 feet and 6 inches.
  • Every roll is 45 millimeters thick.

MFM Peel & Seal is the first and only patented self-stick rolling roofing system on the market. Peel & Seal roller roofing is 33 feet 6 inches long and is suitable for complicated roofs and surfaces which can be used on a variety of surfaces, including roofing systems, motor homes, RVs as well as trailers, as well as windshields.

MFM Peel and or Seal is also suitable for use as sheeting around ducting, vents, staircases, air conditioning systems, and gutters.

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  • It adheres to nearly any surface and provides a secure and watertight coating.
  • It’s suitable for RVs and trailer houses.


  • Before using Peel & Seal, you must first apply an asphalt primer.


Prior to actually applying Peel and or Seal, make sure to prepare your material with just an asphalt primer, particularly if it’s constructed of plywood, Hollow blocks, composition board, as well as masonry.

Once you’ve primed the roof, just peel off the release paper from the back of something like the peel as well as seal then roll it out over your surface, smoothing out any wrinkles with a hand roller.

XCEL Marine Roll Extra Large Neoprene Rubber

XCEL Marine Roll Extra Large Neoprene Rubber


  • Dimensions: 60inches x 16inches x 12inches thick
  • 3.44 pound weight

Marine Cushions Rolls are indeed a multi-purpose DIY marine gadget. The marine rollers are made of high-quality closed-cell bubble wrap that is water/oil proof, buoyant, as well as flame resistant.

Those rolls are great for providing thermal and acoustic protection to the inside of a boat whilst providing cushioning as well as interior covering to the hulls and cabins. These foam rolls may easily be trimmed to create a personalized fit.

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  • non-absorbent by nature,
  • incredibly long-lasting and
  • very bouncy


  • It’s not particularly sticky.


We are continually pushing ourselves to make things that not only ease stress and tension, and yet also boost productivity in our daily life, using quality as our major goal.

Adjust for A Slanted Roof if Desired

If you’ve had a sloped roof, trim 9-inch-wide roofing strips, place them flush only with drip edges along the eave as well as a rake, and secure them using two rows of 3-inch-apart nails.

Apply roofing cement across half some or all of the strips with a trowel.

Next, in the cement, place the first level so that it protrudes by around 1/4 inch. So because roofing is difficult to reposition, place and roll out carefully before pressing this into the concrete.

Just the top edge should be nailed (the part that is bare of mineral coating). Apply a 4- to 6-inch-wide coating of roofing adhesive to the upper portion, then repeat with the subsequent courses.

How To Install Roll Roofing on Just a Low-Slope Roof?

A standard roof comprises three layers: a material layer, a second layer of overlapping shingles, as well as a third layer of shingles.

Rolling roofing is unique. It only has one coat, so it installs quickly and can be done by a homeowner using simple DIY skills and materials. It’s primarily utilized for low-slope roofed garages and outbuildings.

Roll roofing is available in several colors to match the homeowner’s existing roofing. This is either locked down or has a peel-and-stick enduring effect, depending on the manufacturer.

You know how to install roll roofing on your own, and that will go more smoothly if you have a friend to assist you.

Using roofing cement, connect a drip edge to the roof’s edge. Increase the drip edge’s forward edge so that it flows off the rooftop and then into the gutters.

Water may scurry back underneath the roll roofing if the drip edge is not properly installed.

Remove any debris from the roof with something like a broom. Examine for any missing nails or screws inside the sheathing.

These nails as well as screws should be put just below the sheathing’s thickness. Secure the fasteners with a hammer and perhaps a screwdriver, as needed.

Take measurements of any roof troughs and carefully cut off the roll covering to fit. Valleys are troughs that occur when two roof planes intersect. With a knife blade, trim this piece of shingles to that of an 18-inch length.

This roofing material should be placed so that it spans the valley. Small roofing nails placed 6 inches apart while 1 inch in through the roll roofing’s external borders is used to secure the roofing.

Installing Roll Ruffing Process

Overlap a second full-width roller roofing piece on top of the first. Roofer nails, placed 6 inches apart while 1 inch first from the edge, should be used to secure it.

In various places, measure as well as measure 35 inches again from the bottom and sides of the roof covering. Make a chalk line between the marks.

To cover the extent of the roof, stretch out now and cut roll roofing. Set the roofing’s leading layer anywhere along the chalk line.

It should provide you with a 1-inch overhanging overflow, along with the top edge of such drip-edge trimming you put in Step 1.

These bottom edges should be nailed in place first, followed by the sides. Nails should be spaced 6 inches off and 1 inch from either of the edges.

In various places, measure as well as mark 34 inches again from the top of the very first column of roofing. Make a chalk line with your finger. Cut this second piece for roll roofing to fit the height of the roof.

Cover the top of the very first layer of roofing with a 2-inch-wide coating of roofing cement. Its top edge of something like the second column of roofing should align with the horizontal line, as well as the bottom portion should cover the roofing glue.

Nail throughout the bottom border of this column, 6 inches apart while 1 inch from the edge, and secure it. Also, secure the edges with nails.

Install the additional roll roofing rows in about the same manner. Sprinkle roofing cement underneath the top and sides of the roll covering and nail it in place.

  • What You Will Require
  • Ladder
  • Edge with a drip
  • Cement for roofing
  • Broom
  • Screwdriver
  • Measurement tape
  • Knife for everyday use
  • Hammer
  • Nails for roofing
  • Make a chalk line

Final Thoughts

This drip edge, also known as the dripping cap, can be made of either plastic or sheet metal. This not only covers the roof against water seepage, and also protects your fascia and paneling.

To avoid cracking, know how to install roll roofing when the weather is now at least 50 degrees Fahrenheit. In the very same way, apply peel-and-stick roofs.

Just make sure to remove the backing that covers the adhesives on the backside of the roll roofing rather than nailing it down. Apply the glue by rolling a metal roller and over the surface of something like the roofing after it’s in place.

Overlap stitches by 6 inches if you require vertical seams. After nailing gaps in place, use roofing cement to seal them.

Thank you for reading!


John is the founder and chief editor of Homienjoy. With over 15 years of experience in the home improvement industry, John is passionate about helping homeowners confidently tackle their projects. Holding a civil engineering degree and working as a contractor, project manager, and consultant, John brings a wealth of knowledge and expertise to the Homienjoy community.

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