Are you contemplating a steel roof in your house, however you are undecided if it is attainable to put in it over your current shingles? The excellent news is that it’s attainable to put in a steel roof over shingles, and it may be an effective way to replace the look of your house whereas additionally defending it from the weather.
There are a number of explanation why you may wish to think about putting in a steel roof over shingles. Steel roofs are extra sturdy than shingle roofs, and so they can final for 50 years or extra. They’re additionally extra resistant to fireplace, wind, and hail harm. Moreover, steel roofs may be extra energy-efficient than shingle roofs, as they replicate the solar’s warmth away from your house in the summertime and assist to maintain it heat within the winter.
In case you’re thinking about putting in a steel roof over shingles, there are some things you want to remember. First, you may must be sure that your roof is robust sufficient to help the load of the steel roof. Second, you may want to put in a layer of underlayment between the shingles and the steel roof. This underlayment will assist to guard the shingles from moisture and also will assist to scale back noise from the steel roof. Lastly, you may want to decide on the best sort of steel roof in your house. There are a number of several types of steel roofs out there, so you may want to do a little analysis to seek out the one which’s best for you.
Preparation of the Roof Floor
Inspecting the Roof Sheathing
Earlier than putting in steel roofing over shingles, it’s important to completely examine the underlying roof sheathing. This includes eradicating a number of shingles in numerous areas to evaluate the situation of the sheathing, together with checking for any indicators of rot, buckling, or moisture harm. Figuring out and repairing any current points will present a strong basis for the steel roof and stop potential issues down the highway.
Eradicating Unfastened or Broken Shingles
As soon as the roof sheathing has been inspected, it’s essential to take away any unfastened or broken shingles to create a easy and stage floor for the steel roofing. This course of may be time-consuming however is crucial to make sure correct adhesion and stop future leaks. Utilizing a pry bar or shingle remover, fastidiously carry and detach the unfastened shingles, taking care to keep away from damaging the underlying sheathing.
Putting in Roofing Felt
After eradicating unfastened shingles, set up a layer of roofing felt over your complete roof floor. Roofing felt, also called tar paper, acts as a waterproof barrier between the sheathing and the steel roofing. Unroll the felt parallel to the eaves, making certain an overlap of at the least 6 inches between every roll. Safe the felt utilizing roofing nails spaced 6-12 inches aside. Correct set up of roofing felt will present an extra layer of safety in opposition to moisture and assist forestall leaks.
| Roofing Felt Set up |
|—|—|
| Roll Width | 36 inches |
| Overlap | 6 inches |
| Nail Spacing | 6-12 inches |
| Nail Dimension | 1 1/4 inches |
Eradicating Broken or Unfastened Shingles
Earlier than putting in a steel roof, it is essential to take away any broken or unfastened shingles from the underlying roof construction. This step ensures a easy and safe set up, stopping water leaks and different potential points down the highway.
Supplies Required:
| Merchandise | Amount |
|---|---|
| Pry bar | 1 |
| Hammer | 1 |
| Security glasses | 1 pair |
| Work gloves | 1 pair |
| Ladder | 1 |
Security Precautions:
- Put on security glasses and work gloves to guard your self from particles and sharp nails.
- Use a sturdy ladder and keep correct footing whereas engaged on the roof.
- Be cautious of uncovered nails and sharp edges of shingles.
After you have assessed the roof and gathered the required supplies, comply with these steps to take away broken shingles:
- Establish the broken or unfastened shingles: Examine the roof for any seen harm, reminiscent of cracked, lacking, or curled shingles.
- Take away the unfastened shingles: Use a pry bar to fastidiously carry the unfastened shingles from the roof deck. If the shingles are nailed down, gently faucet the pry bar underneath the nail and pry it up.
- Take away broken shingles: For broken shingles, chances are you’ll want to make use of a hammer to interrupt them into smaller items. Take away all items of the broken shingle from the roof deck.
- Clear the uncovered roof deck: After you have eliminated all of the broken or unfastened shingles, use a brush or brush to scrub any particles or mud from the uncovered roof deck.
Putting in a Roof Membrane
After the previous shingles have been eliminated, a roof membrane ought to be put in to create a weather-resistant barrier between the decking and the steel roofing. This membrane sometimes consists of an artificial materials, reminiscent of ethylene propylene diene monomer (EPDM) or polyisobutylene (PIB), which is rolled out over the decking and secured with adhesive strips or nails. The membrane ought to overlap the perimeters of the decking by at the least 6 inches and be sealed with flashing tape at any seams or penetrations.
Along with offering climate resistance, a roof membrane also can act as a sound dampener, lowering the noise of rain or hail hitting the roof. It might additionally assist to control the temperature within the attic, by reflecting warmth away in the summertime and retaining warmth within the winter.
Here’s a step-by-step information to putting in a roof membrane:
- Roll out the membrane over the decking, beginning on the eaves and dealing your method up the roof.
- Overlap the perimeters of the membrane by at the least 6 inches and safe them with adhesive strips or nails.
- Seal any seams or penetrations with flashing tape.
- Minimize the membrane round any chimneys, vents, or different roof penetrations.
- Flash the penetrations with steel or plastic flashing and seal the perimeters with caulk or sealant.
| Materials | Execs | Cons |
|---|---|---|
| EPDM | Sturdy, UV-resistant, and fire-resistant | Might be dearer than different supplies |
| PIB | Light-weight, versatile, and simple to put in | Not as sturdy as EPDM |
Deciding on the Proper Steel Roofing Panels
When choosing steel roofing panels in your mission, there are a number of components to think about to make sure optimum efficiency and aesthetics:
Materials Sort:
| Materials | Advantages | Drawbacks |
|---|---|---|
| Galvalume | Light-weight, sturdy, corrosion-resistant | Larger value |
| Aluminum | Light-weight, corrosion-resistant, non-magnetic | Susceptible to denting |
| Copper | Sturdy, corrosion-resistant, aesthetically pleasing | Costly, can oxidize over time |
| Zinc | Light-weight, corrosion-resistant, self-healing | Restricted colour choices, may be brittle |
Profile:
Select a profile that enhances your house’s architectural type and gives the specified protection and safety from the weather. Frequent profiles embody standing seam, corrugated, and tile-style panels.
End:
The end of your steel roofing panels will decide their look and sturdiness. Contemplate choices reminiscent of paint, Kynar 500 PVDF coating, or naked steel.
Thickness and Gauge:
Panel thickness is measured in millimeters or gauges. Thicker panels (e.g., 24 gauge) provide higher sturdiness, whereas thinner panels (e.g., 32 gauge) are extra budget-friendly. Seek the advice of a roofing skilled to find out the suitable thickness in your local weather and software.
Reducing and Putting in the Steel Roofing Panels
1. Measure and reduce the steel roofing panels to the specified size. Use a round noticed or a steel shear for this activity.
2. Set up the drip edge alongside the decrease fringe of the roof. Safe it with screws.
3. Set up the underlayment over the drip edge and shingles.
4. Begin putting in the steel roofing panels from the underside of the roof and work your method up.
Overlapping the Steel Roofing Panels
When putting in the steel roofing panels, overlap the panels by 6 to 12 inches. The overlap ought to be within the path of water circulation.
Safe the panels to the roof with screws. Use a screw gun for this activity.
| Screw Sort | Really useful Size |
|---|---|
| Self-tapping screws | 1-1/2 inches |
| Hex-head screws | 2 inches |
The variety of screws required per panel will differ relying on the dimensions of the panel and the wind load in your space.
As soon as the steel roofing panels are put in, seal the overlaps with a roofing sealant. This may assist to stop water leaks.
Securing the Steel Roofing Panels
As soon as the underlayment is put in, it is time to safe the steel roofing panels. This course of includes a number of steps to make sure a sturdy and leak-proof set up.
6. Screw Down the Panels
The ultimate step in securing the steel roofing panels is to screw them down into the purlins or roof sheathing. Use self-drilling screws which are particularly designed for steel roofing. Begin on the backside of the roof and work your method up. Align the panels and fasten them into place, ensuring to drive the screws straight into the underlying materials. Use a screw gun or influence driver to save lots of effort and time.
Screw spacing will differ relying on the panel sort and native constructing codes. Typically, it is really helpful to put screws each 4 to six inches alongside the facet laps and each 12 to 18 inches alongside the tip laps. For areas with excessive winds or snow masses, chances are you’ll want to make use of nearer spacing.
Here is a desk summarizing the really helpful screw spacing:
| Panel Sort | Aspect Lap Screw Spacing | Finish Lap Screw Spacing |
|---|---|---|
| Standing Seam | 4 inches | 12 inches |
| R-Panel | 6 inches | 18 inches |
| Corrugated | 4 inches | 12 inches |
Be aware that these are common suggestions, and it is best to at all times comply with the producer’s directions for particular panel sorts and set up situations.
Trimming and Ending the Roof Edges
As soon as the steel panels have been put in, it is time to trim and end the roof edges to finish the set up. This includes including trim items to cowl any uncovered edges of the panels, in addition to putting in gutters and downspouts to handle rainwater.
Fascia
The fascia is a horizontal trim piece that runs alongside the eaves of the roof, overlaying the uncovered ends of the steel panels. It additionally gives a base for the gutters.
Soffit
The soffit is a trim piece that covers the underside of the roof overhang, between the fascia and the roof deck. It helps to enhance air flow and prevents pests from getting into the attic.
Drip Edge
The drip edge is a strip of steel that’s put in alongside the eaves of the roof to stop water from dripping behind the fascia and into the attic. It additionally helps to direct water away from the inspiration of the home.
Ridge Cap
The ridge cap is a trim piece that covers the height of the roof, the place two roof surfaces meet. It helps to maintain water out of the roof system and prevents leaks.
Gutter and Downspouts
Gutters and downspouts are important for managing rainwater and stopping water harm to the house. The gutter is a horizontal trough that collects rainwater from the roof, whereas the downspout is a vertical pipe that carries the water away from the home and into the bottom.
Putting in Gutter and Downspouts in Element
| Step | Description |
|---|---|
| 1 | Decide the gutter measurement and variety of downspouts wanted based mostly on the roof measurement and slope. |
| 2 | Mark the situation of the gutters and downspouts on the fascia and roof. |
| 3 | Set up gutter hangers to the fascia, spacing them evenly aside. |
| 4 | Place the gutters on the hangers and snap them into place. |
| 5 | Set up downspout brackets to the facet of the home. |
| 6 | Place the downspouts on the brackets and safe them. |
| 7 | Join the downspouts to the gutters utilizing downspout elbows and extensions as wanted. |
| 8 | Prolong the downspouts right down to the bottom and set up splash blocks to direct the water away from the inspiration. |
Sealing and Weatherproofing the Roof
1. Making use of Sealant Tape
Apply high-quality sealant tape alongside the joints between the steel roof panels and the shingles. This may forestall moisture from penetrating the roof and inflicting leaks.
2. Putting in Eave Flashing
Set up eaves flashing alongside the decrease fringe of the roof the place it meets the fascia. This may forestall water from seeping underneath the steel roof.
3. Utilizing Roofing Cement
Seal any gaps or uncovered nails with roofing cement. This may create a watertight barrier and stop leaks.
4. Set up Valley Flashing
Valley flashing is put in on the intersections of roof slopes. It directs water away from the valley and prevents it from seeping into the roof.
5. Set up Pipe Flashings
Set up pipe flashings round any pipes that penetrate the roof. These flashings will forestall water from leaking across the pipes.
6. Set up Vent Flashings
Vent flashings are put in round roof vents to stop water from getting into the attic.
7. Sealing Round Chimneys
Seal the world round chimneys with high-temperature silicone sealant. This may forestall water from leaking across the chimney and damaging the roof.
8. Examine and Keep Repeatedly
Repeatedly examine the roof for any indicators of injury or leaks. Clear gutters and downspouts to stop water buildup. Promptly restore any points to take care of the roof’s integrity and stop expensive harm.
| Inspection Factors | Frequency |
|---|---|
| Examine for unfastened nails or screws | Yearly |
| Look at sealant tape for harm | Each 2-3 years |
| Examine flashing for cracks or tears | Each 5-7 years |
Correct Air flow for the Steel Roof
Correct air flow is essential for a steel roof over shingles to stop moisture accumulation, corrosion, and untimely roof failure. Listed below are some important concerns:
1. Consumption Vents
Consumption vents permit air to enter the attic area on the eaves or soffits. This creates an airflow path and attracts outdoors air into the attic.
2. Exhaust Vents
Exhaust vents expel heat, moist air from the attic by way of roof vents, reminiscent of ridge vents, gable vents, or turbine vents. These vents create a detrimental stress that attracts air by way of the consumption vents.
3. Roofing Underlayment
Roofing underlayment with moisture-wicking properties helps to stop moisture from penetrating the attic area and reduces the chance of mould progress.
4. Air Gaps
Sustaining a 1- to 1.5-inch air hole between the steel roofing and the underlayment permits air to flow into and carry away moisture.
5. Ridge Vents
Ridge vents are steady vents that run alongside the ridge of the roof and permit air to flee. They’re extremely efficient in releasing sizzling air and moisture.
6. Gable Vents
Gable vents are put in within the gable ends of the roof and draw air upward from the soffits to the ridge vent.
7. Turbine Vents
Turbine vents are powered by the wind and rotate to expel air from the attic. They’re extremely environment friendly however may be noisy.
8. Soffit Vents
Soffit vents are small vents put in within the soffit of the eaves and permit air to enter the attic.
9. Air Consumption to Exhaust Ratio
The ratio of consumption to exhaust vents ought to be balanced. For each sq. foot of consumption vent space, there ought to be two to 3 sq. ft of exhaust vent space. This ensures correct airflow and air flow all through the attic area.
| Sort of Vent | Description |
|---|---|
| Consumption Vent | Permits air to enter the attic area |
| Exhaust Vent | Expels heat, moist air from the attic |
| Roofing Underlayment | Protects the attic from moisture |
| Air Hole | Permits air to flow into between the steel roof and underlayment |
Upkeep and Inspection of the Steel Roof
Sustaining and inspecting your steel roof often ensures its longevity and efficiency. Listed below are essential steps:
1. Annual Inspection
Schedule an annual inspection to test for indicators of injury, corrosion, or unfastened parts. Examine all areas, together with seams, flashings, and fasteners.
2. Examine Drainage
Particles can accumulate in gutters and downspouts, obstructing correct drainage. Clear them often to stop water pooling and potential leaks.
3. Take away Particles
Use a mushy brush or leaf blower to take away leaves, grime, and different particles from the roof floor. Accumulation can entice moisture and promote corrosion.
4. Seal Leaks
In case you detect any leaks, promptly seal them utilizing applicable sealant particularly designed for steel roofs.
5. Contact Up Paint
Minor paint harm can result in corrosion. Contact up any scratches or scuffs with a high-quality steel roof paint matched to the unique colour.
6. Examine Flashings
Flashings round chimneys, vents, and valleys are essential for stopping water infiltration. Examine for any unfastened or broken flashings and restore them instantly.
7. Examine Fasteners
Fasteners steadily loosen over time. Repeatedly examine them and tighten any unfastened screws or nails to stop leaks or wind harm.
8. Examine Seams
Seams are very important factors of vulnerability. Examine for any unfastened or indifferent seams and reseal them utilizing an applicable sealant.
9. Examine for Rust
Rust is an early signal of corrosion. Examine the roof for indicators of rust and promptly tackle any points to stop additional harm.
10. Pet Precautions
Pets can scratch or puncture steel roofs. Maintain them off the roof or use protecting measures reminiscent of mats or boundaries to reduce harm.
How To Put Steel Roof Over Shingles
It’s attainable to put in a steel roof over shingles, however you will need to be aware that this isn’t a typical apply. Steel roofs are sometimes put in over plywood or OSB decking, and putting in them over shingles can create quite a few issues. Nonetheless listed below are the steps:
- Take away any unfastened or broken shingles.
- Set up a layer of roofing felt纸毛毡纸 over the shingles.
- Set up the steel roofing panels over the roofing felt.
- Safe the steel roofing panels with screws or nails.
- Apply a sealant across the edges of the steel roofing panels.
Folks Additionally Ask
Can you place steel roofing over shingles?
Sure, it’s attainable to put in a steel roof over shingles, however it isn’t a typical apply. Steel roofs are sometimes put in over plywood or OSB decking, and putting in them over shingles can create quite a few issues.
What are the challenges of putting in a steel roof over shingles?
One of many greatest challenges of putting in a steel roof over shingles is that the shingles can create an uneven floor, which may make it troublesome to put in the steel roofing panels correctly. Moreover, the shingles can entice moisture, which may result in corrosion of the steel roofing panels.
What are the advantages of putting in a steel roof over shingles?
There are some advantages to putting in a steel roof over shingles, reminiscent of elevated sturdiness, vitality effectivity, and hearth resistance. Nevertheless, you will need to weigh these advantages in opposition to the challenges earlier than making a call.
