6 Easy Steps: How To Put Metal Roof Over Shingles

6 Easy Steps: How To Put Metal Roof Over Shingles

Changing your outdated shingle roof with a metallic roof is a wonderful method to enhance your property’s look and sturdiness. Nonetheless, putting in a metallic roof over shingles could be a daunting process, particularly for those who’re not aware of roofing work.

Thankfully, with the suitable instruments and supplies, you possibly can full this venture your self. On this detailed information, we’ll stroll you thru each step of the method, from making ready your roof to putting in the metallic panels. We’ll additionally present suggestions and tips to assist guarantee a profitable and long-lasting set up.

Assessing Roof Situations: A Prerequisite

Earlier than embarking on the method of putting in a metallic roof over current shingles, it’s crucial to completely assess the situation of your current roof. This important step ensures that your new roof might be put in on a sound and steady basis, maximizing its longevity and efficiency.

1. Inspection: A Complete Analysis

A radical inspection of your current roof ought to embrace the next steps:

  • Visible Examination: Start by conducting an intensive visible inspection of the roof from each the outside and inside. Search for indicators of harm, corresponding to lacking or broken shingles, rusted flashing, and sagging or damaged sheathing.
  • Bodily Examination: Subsequent, bodily study the roof by fastidiously stepping on completely different areas of the roof. Take note of any areas that really feel mushy or spongy, which can point out underlying structural points.
  • Probe Examination: Utilizing a moisture meter or a easy screwdriver, probe numerous sections of the roof to test for moisture harm. If the screwdriver simply penetrates the roof, it could point out rot or deterioration.

2. Situation Evaluation

After finishing the inspection, assess the situation of your roof based mostly on the next standards:

Situation Traits
Good Minimal to no harm, sound sheathing, no indicators of moisture
Honest Some harm current, corresponding to lacking shingles or minor flashing points, some indicators of moisture
Poor Important harm, corresponding to damaged or sagging sheathing, intensive moisture harm, requires repairs or substitute

3. Concerns for Steel Roof Set up

Primarily based on the situation evaluation, decide the feasibility of putting in a metallic roof over your current shingles:

  • Good Situation: In case your roof is in good situation, it could sometimes help a metallic roof set up with out requiring intensive repairs.
  • Honest Situation: Roofs in honest situation might require some repairs, corresponding to changing broken shingles or fixing flashing points, earlier than putting in a metallic roof.
  • Poor Situation: Roofs in poor situation is probably not appropriate for a metallic roof set up and will require important repairs and even substitute earlier than contemplating a metallic roof.

Removing of Present Asphalt Shingles

To put in metallic roofing over current shingles, step one is to take away the asphalt shingles. This could be a time-consuming and labor-intensive course of, but it surely’s important to do it correctly to make sure a long-lasting and sturdy metallic roof.

Instruments You may Want

  • Roofing shovel or pry bar
  • Hammer or nail gun
  • Utility knife
  • Security glasses
  • Gloves
  • Ladder

Security Precautions

  • Put on acceptable security gear, together with security glasses and gloves.
  • Use a ladder fastidiously and have somebody maintain it for stability if doable.
  • Concentrate on sharp objects and nails.
  • If doable, take away the shingles on a dry and windless day.

Step-by-Step Directions

  1. Take away starter strip: Use a pry bar or roofing shovel to fastidiously take away the starter strip alongside the eaves. Keep away from damaging the drip edge.
  2. Loosen the primary row of shingles: Utilizing a pry bar, gently loosen the underside row of shingles and slide them up barely to show the nails.
  3. Take away nails: Use a nail gun or hammer to fastidiously pull out the nails holding the shingles in place. Watch out to not harm the underlying roof deck.
  4. Slide up and take away shingles: As soon as the nails are eliminated, slide the primary row of shingles up and off the roof. Proceed this course of for the remaining rows of shingles.

Ideas

  • Begin by working within the heart of the roof and regularly transfer in direction of the sides to forestall the shingles from sliding down.
  • Use a utility knife to chop by way of any cussed shingles that can’t be pried off.
  • Be affected person and take your time. Eradicating shingles is a tedious course of, but it surely’s necessary to do it fastidiously to keep away from damaging the underlying roof deck.

Securing Steel Panels with Roofing Screws

Roofing screws are the first methodology for securing metallic panels to the underlying roof construction. These screws are available quite a lot of sizes and thread configurations to go well with completely different panel gauges and functions.

When deciding on roofing screws, it is necessary to think about the next components:

  1. Panel gauge: Thicker panels require bigger screws with larger thread counts.
  2. Roofing kind: Screws for metallic over shingles might be shorter than these used for different roofing sorts.
  3. Local weather: Screws with protecting coatings are beneficial for areas with excessive moisture or publicity to salt or corrosive parts.
  4. Head fashion: The most typical head kinds are hex, flat, and pan head. Select a head fashion that gives enough contact with the drill driver and accommodates any trim or flashing.

Screw Placement and Sample

The position and sample of roofing screws are essential for correct panel attachment and structural integrity.

Facet laps: Screws needs to be pushed by way of the facet laps of the panels, sometimes 12 inches on heart.

Prime laps: For panels with interlocking high laps, screws needs to be pushed by way of the highest crown of the panel.

Finish laps: Screws needs to be pushed by way of the tip laps of the panels, avoiding the within ribs.

Valleys and ridges: Use bigger screws with larger thread counts for valleys and ridges.

Screw Dimension Thread Rely Panel Gauge Utility
#12 14 29-26 Facet laps, skinny panels
#12 17 24-22 Prime laps, valleys, ridges
#14 14 29-26 Facet laps, thick panels
#14 17 24-22 Prime laps, valleys, ridges

Overlapping and Interlocking Panels for Weatherproofing

Overlapping and interlocking panels are essential design parts in metallic roof techniques over shingles. They supply an additional layer of safety in opposition to moisture penetration and make sure the sturdiness of the roof.

Overlapping Panels:
Overlapping panels are put in in a horizontal or vertical association, with every panel extending over the earlier one. The overlap space is often a number of inches huge and is sealed with mastic, tape, or different weatherproofing supplies. This creates a double layer of safety, stopping water from seeping into the roof construction.

Interlocking Panels:
Interlocking panels characteristic a novel design that permits them to suit collectively tightly, forming an almost seamless connection. These panels have interlocking edges that have interaction with one another, making a watertight seal. Interlocking panels present enhanced weatherproofing in comparison with overlapping panels and are sometimes utilized in areas with heavy rain or snow.

Weatherproofing Measures:
Along with overlapping and interlocking panels, a number of different weatherproofing measures are employed throughout a metallic roof set up. These embrace:

Measure Description
Sealants and Mastics Utilized between panel joints and seams to fill gaps and stop water infiltration.
Flashings Steel strips put in round chimneys, vents, and different roof penetrations to seal in opposition to moisture.
Underlayment A water-resistant membrane put in beneath the metallic panels to supply an extra layer of safety.

These measures work collectively to create a extremely weatherproof system that protects your property from the weather for a few years to return.

Caulking and Sealing for Optimum Waterproofing

1. Examine the Steel Roofing System

Test the metallic roofing system completely for any penetrations, corresponding to screws, bolts, or seams. These areas will must be correctly sealed to forestall water infiltration.

2. Clear the Floor

Clear the floor of the metallic roofing system completely utilizing a gentle detergent and a mushy material. Take away any dust, mud, or particles that would intrude with the adhesion of the caulking or sealant.

3. Apply a Primer

In some circumstances, a primer could also be mandatory to enhance the adhesion of the caulk or sealant. Seek the advice of the producer’s directions to find out if a primer is beneficial in your explicit system.

4. Apply Caulk

Apply a bead of high-quality development sealant across the penetrations and seams within the metallic roofing system. Use a seal that’s appropriate with the kind of metallic used for the roofing.

5. Easy the Caulk

Easy the caulk utilizing a caulk smoothing device or your finger. Be sure that the caulk is evenly distributed and pressed into the hole between the metallic and the penetration or seam.

6. Seal Gaps and Edges

Use a sealant that’s particularly designed for sealing gaps and edges round skylights, vents, and different protrusions on the metallic roofing system. Apply the sealant in response to the producer’s directions.

7. Flashings and Trim

Set up flashing and trim elements round chimneys, vents, and different protrusions to direct water away from the weak areas. Use acceptable sealants and fasteners to safe these elements and stop leaks.

Flashing Kind Function
Step Flashing Seals the junction between roofing materials and vertical surfaces
Counter Flashing Prevents water infiltration on the high fringe of flashing
Base Flashing Supplies a weatherproof seal on the base of partitions or chimneys
Valley Flashing Protects inner angles the place two roof slopes meet

Trimming and Flashing for a Completed Look

Reducing and Becoming Ridge Cap

Minimize the ridge cap to the size of the roof ridge, guaranteeing it overhangs the sides by a number of inches. Use a metallic shear or nibbler for exact cuts. Match the ridge cap over the purlins, guaranteeing it’s stage and aligned with the roof peak.

Putting in Ridge Flashing

Place ridge flashing over the ridge cap, overlapping it by at the least 6 inches. Safe the flashing to the purlins utilizing roofing nails or screws. Use a sealant to seal any gaps between the flashing and the ridge cap.

Trimming and Becoming Rake Flashing

Minimize the rake flashing to suit the size of the roof edge. Overhang it by a number of inches on the backside. Bend the flashing at a 90-degree angle to type a flange for nailing.

Putting in Rake Flashing

Set up the rake flashing alongside the roof edge, overlapping it with the ridge flashing by at the least 6 inches. Nail or screw the flashing to the roof decking.

Inserting Collar Flashings Round Pipes

Minimize a round opening within the metallic roofing round pipes or vents. Place a collar flashing across the pipe and safe it to the roofing with roofing nails or screws. Seal across the edges with a sealant.

Putting in Valley Flashing

Minimize valley flashing to suit the size of the valley. Overlap the flashing by at the least 6 inches. Bend the flashing at a 90-degree angle to type a flange for nailing.

Putting in Valley Flashing (Wrap Step)

Set up the valley flashing alongside the valley, overlapping it with the ridge flashing and rake flashing. Nail or screw the flashing to the roof decking, being cautious to not penetrate the underlying shingles.

Ending Touches

Apply a sealant to all seams and overlaps within the flashing to make sure a watertight seal. Examine your complete roof to make sure all trim and flashing is safe and professionally put in.

Upkeep and Longevity of the Steel Roof

Structural Upkeep

Steel roofs are identified for his or her sturdiness and longevity, lasting as much as 50 years or extra. Nonetheless, correct upkeep is crucial to make sure their optimum efficiency and lifespan. Frequently examine the roof for any indicators of harm, corresponding to dents, punctures, or free screws. Deal with any points promptly to forestall additional deterioration.

Corrosion Prevention

Steel roofs are sometimes made from corrosion-resistant supplies like galvanized metal or aluminum. Nonetheless, publicity to moisture and chemical compounds may cause rust or corrosion over time. To forestall this, repeatedly clear the roof with a gentle detergent and water answer. Keep away from utilizing harsh chemical compounds or abrasive cleaners, as these can harm the protecting coating.

Portray and Recoating

Over time, the paint or coating on a metallic roof might fade or deteriorate. To keep up its look and longevity, take into account repainting or recoating the roof each 15-20 years. Use a high-quality paint or coating particularly designed for metallic roofs to make sure correct adhesion and safety.

Cleansing and Gutter Upkeep

Particles, leaves, and dust can accumulate on the metallic roof and within the gutters. Frequently clear the roof and gutters to forestall blockages and water harm. Use a mushy brush or a leaf blower to take away particles and examine the gutters for clogs or leaks.

Air flow

Correct air flow is essential for a metallic roof. Warmth buildup below the roof may cause untimely fading, corrosion, and harm to the roofing supplies. Guarantee enough air flow by putting in ridge vents or soffit vents to permit air to flow into and dissipate moisture.

Snow and Ice Removing

In areas with heavy snowfall, it is necessary to take away snow and ice from the roof to forestall extreme weight and potential harm. Use a snow rake or broom to fastidiously take away snow and keep away from utilizing sharp objects that would scratch the metallic.

Skilled Inspections

Think about scheduling common skilled inspections by a professional roofing contractor. Inspections can establish any potential points early on, permitting for well timed repairs and upkeep to increase the roof’s lifespan.

Guarantee Protection

Most metallic roofs include a producer’s guarantee. Familiarize your self with the guarantee phrases and situations to grasp the protection and limitations. If any points come up throughout the guarantee interval, contact the producer or a licensed installer to file a declare.

Life Expectancy

The life expectancy of a metallic roof varies relying on the kind of metallic, thickness, and upkeep practices. On common, metallic roofs can final for 50 years or extra, with correct care and common upkeep. By following the following pointers, you possibly can make sure the longevity and efficiency of your metallic roof, defending your property from the weather for many years to return.

Enhancing Curb Enchantment with Steel Roofing

Steel roofing affords a number of advantages that may improve the curb enchantment of your property, together with:

1. Sturdiness: Steel roofing is extraordinarily sturdy and might final for 50 years or extra. Which means you will not have to fret about changing your roof for a few years to return.
2. Low upkeep: Steel roofing can be very low upkeep. Not like different varieties of roofing, metallic roofing would not must be painted or stained. Simply washing with water is sufficient.
3. Power effectivity: Steel roofing can assist you lower your expenses in your vitality payments. The reflective floor of metallic roofing helps to maintain your property cooler in the summertime and hotter within the winter.
4. Hearth resistance: Steel roofing is fireplace resistant, which can assist to guard your property within the occasion of a hearth.
5. Number of kinds: Steel roofing is on the market in quite a lot of kinds, so yow will discover the right search for your property.
6. Elevated property worth: Steel roofing can enhance the worth of your property. It is because metallic roofing is a sturdy and enticing materials that may make your property extra interesting to potential consumers.
7. Environmental friendliness: Steel roofing is an environmentally pleasant possibility. Steel roofing is created from recycled supplies and may be recycled on the finish of its lifespan.
8. Noise discount: Steel roofing can assist to cut back noise air pollution. The thick panels of metallic roofing take in sound, which may make your property extra peaceable and quiet.
9. Algae resistance: Steel roofing is algae resistant, which implies that you will not have to fret about ugly black streaks in your roof.
10. Light-weight: Steel roofing is light-weight, which may make it simpler to put in and might scale back the load on your property’s construction.

Steel Roofing Sorts Description
Standing seam Steel panels which can be connected to the roof deck with vertical seams.
Corrugated Steel panels which have a wavy sample.
Steel shingles Steel panels which can be designed to seem like conventional shingles.

Easy methods to Put Steel Roof Over Shingles

Putting in a metallic roof over shingles could be a cost-effective option to lengthen the lifetime of your roof and enhance its curb enchantment. Listed here are the steps concerned:

1. **Examine the Shingles**. First, examine the present shingles for any harm or deterioration. If the shingles are in good situation, you possibly can proceed with the set up. If there are any broken shingles, they need to be repaired or changed earlier than putting in the metallic roof.

2. **Set up Roofing Felt**. Subsequent, set up roofing felt over the shingles to supply a barrier between the shingles and the metallic roof. Roofing felt is a water resistant materials that helps to forestall leaks.

3. **Set up Battens**. Battens are slim strips of wooden which can be put in over the roofing felt. They supply a stable floor for the metallic roof to be put in on.

4. **Set up Steel Roof Panels**. Beginning on the backside fringe of the roof, set up the metallic roof panels one after the other. Overlap the panels barely and safe them with screws or nails.

5. **Trim and Seal**. As soon as the metallic roof panels are put in, trim any extra materials across the edges of the roof. Seal any gaps or openings with caulk or sealant.

Individuals Additionally Ask

How a lot does it value to place a metallic roof over shingles?

The price of putting in a metallic roof over shingles varies relying on the dimensions of the roof, the kind of metallic used, and the complexity of the set up. On common, the price ranges from $7 to $12 per sq. foot.

Can I set up a metallic roof over shingles myself?

Putting in a metallic roof over shingles is a fancy course of that requires specialised instruments and expertise. It’s not beneficial to aim this venture your self except you might have expertise in roofing.

How lengthy does a metallic roof final?

Steel roofs are sturdy and might final for 50 years or extra. They’re resistant to fireside, wind, and hail, and they don’t require as a lot upkeep as different varieties of roofing supplies.