Embark on a transformative roofing journey by seamlessly putting in a metallic roof over your present shingles. In contrast to conventional roof replacements that require intensive elimination and disposal, this modern approach preserves your present roof whereas enhancing its sturdiness and aesthetics. With meticulous planning and cautious execution, you’ll be able to elevate your private home’s safety and curb attraction with out the trouble and expense of an entire tear-off.
Transitioning to a metallic roof provides a myriad of advantages that make it an funding value contemplating. Improve your private home’s power effectivity, as metallic roofs replicate daylight, lowering warmth absorption and reducing cooling prices. Embrace peace of thoughts understanding that your roof can face up to excessive climate circumstances, comparable to excessive winds, hail, and heavy snow masses. Furthermore, metallic roofs are just about maintenance-free, eliminating the necessity for expensive repairs or replacements down the street.
Earlier than embarking on this roofing journey, meticulous preparation is paramount. Make sure that your present shingles are in good situation, as any underlying injury can compromise the integrity of your new metallic roof. Clear away any particles or moss from the floor and examine for any areas that will require further repairs. By laying a stable basis, you’ll be able to set the stage for a profitable and long-lasting metallic roof set up.
Assessing Shingle Roof Compatibility
Earlier than putting in a metallic roof over shingles, it is essential to find out in case your present shingle roof is appropriate with the metallic roofing system you plan to put in. Incompatible shingles can compromise the efficiency and longevity of the metallic roof, resulting in potential points down the road.
The next components needs to be thought-about when assessing shingle roof compatibility:
- Situation of Shingles: Shingles needs to be in good situation, free from extreme injury, cupping, buckling, or lacking shingles. Free or compromised shingles could not present a steady floor for the metallic roof, resulting in potential points with attachment and climate resistance.
- Sort of Shingles: Sure forms of shingles, comparable to fiber cement or rubber shingles, is probably not appropriate for putting in a metallic roof over. These shingles could have completely different properties and textures that may have an effect on the adhesion and efficiency of the metallic roofing system.
- Slope of Roof: The slope of the roof can also be an element to think about. Steel roofing techniques sometimes require a minimal slope, often round 1:12. If the roof slope is simply too shallow, it could not be capable of successfully shed water and particles, probably resulting in leaks and different issues.
- Roof Construction: The structural integrity of the roof is essential to assist the extra weight of a metallic roof. Make sure that the underlying roof framing is ample to deal with the metallic roofing system’s weight with out inflicting extreme deflection or structural injury.
Inspecting the Roof Deck
Earlier than putting in a metallic roof over shingles, it is essential to rigorously examine the present roof deck to make sure its integrity and suitability for the brand new roofing system.
This is a step-by-step information on tips on how to examine the roof deck:
- Clear the roof: Take away any particles, leaves, or objects from the roof deck. This may let you see the floor clearly and determine any potential points.
- Search for delicate or spongy spots: Stroll over the roof deck and test for any areas that really feel delicate or spongy underfoot. This might point out moisture injury or rot, which must be addressed earlier than putting in the metallic roof.
- Look at the shingles and underlayment: Examine the situation of the present shingles and underlayment. Substitute any lacking, broken, or curled shingles. Make sure the underlayment is undamaged and freed from tears or punctures.
- Verify the roof construction: Examine the roof joists, rafters, and trusses for any indicators of harm or decay. Search for cracks, unfastened joints, or sagging. When you discover any structural points, seek the advice of a professional roofing contractor.
- Take note of the flashing: Look at the flashing round chimneys, vents, and skylights. Make sure the flashing is in good situation and correctly sealed to stop water leaks.
- Doc your findings: Take pictures or make notes of any points you discover in the course of the inspection. This may function a document of the roof’s situation earlier than putting in the metallic roof.
Really helpful Instruments for Roof Deck Inspection:
| Instrument | Objective |
|---|---|
| Roofing ladder | Protected and steady entry to the roof |
| Pry bar or flat shovel | Probing for delicate spots |
| Flashlight | Illuminating darkish or obstructed areas |
| Digicam or notepad | Documenting inspection findings |
Putting in Underlayment
The underlayment is a vital element of any roofing system as a result of it gives further safety in opposition to moisture, wind, and ice. When putting in a metallic roof over shingles, you have to take away the present shingles earlier than putting in the underlayment.
There are various various kinds of underlayment obtainable, so selecting one that’s acceptable to your local weather and roofing system is crucial. Normally, thicker underlayment gives extra safety however can also be dearer. A “breathable” underlayment permits moisture to flee whereas stopping water from penetrating the roof deck.
Step 1: Take away the Outdated Shingles
Use a pry bar to rigorously take away the previous shingles. Work in small sections, beginning on the high of the roof and dealing your approach down. Watch out to not injury the roof deck.
Step 2: Examine the Roof Deck
As soon as the previous shingles have been eliminated, examine the roof deck for any injury. Restore any broken areas earlier than putting in the underlayment.
Step 3: Set up the Underlayment
Roll out the underlayment over the roof deck, beginning on the backside and dealing your approach up. Overlap the underlayment by at the least 6 inches, and safe it with roofing nails.
Extra Ideas for Putting in Underlayment over Shingles
| Tip |
|---|
| To make sure a correct seal, overlap the underlayment alongside the perimeters of the roof deck. |
| Use a roofing nailer to safe the underlayment to the roof deck. |
| Keep away from strolling immediately on the underlayment, as this might injury it. |
| In case you are putting in a metallic roof over a steep-sloped roof, think about using a self-adhering underlayment for added safety in opposition to wind. |
Putting in Drip Edge
Drip edge is metallic flashing that’s put in alongside the eaves and rakes of the roof to stop water from seeping underneath the shingles and inflicting injury to the roof deck. It’s sometimes made from aluminum or galvanized metal and is obtainable in a wide range of colours to match the roof shingles.
To put in drip edge, observe these steps:
- Measure and lower the drip edge to the specified size.
- Place the drip edge alongside the eaves or rakes of the roof, ensuring that it’s flush with the sting of the roof deck.
- Safe the drip edge to the roof deck utilizing roofing nails or screws spaced 6 to eight inches aside.
- Overlap the drip edge items by at the least 2 inches and seal the seams with roofing cement.
- Bend the drip edge up at a 90-degree angle on the corners of the roof to create a drip path for water. Use roofing cement to seal the corners and forestall water from leaking by way of.
| Materials | Gauge | Width | Size |
|---|---|---|---|
| Aluminum | 0.032″ | 10″ | 10′ |
| Galvanized metal | 0.024″ | 12″ | 12′ |
Positioning Steel Roof Panels
After getting put in the underlayment, you can begin positioning the metallic roof panels.
1. Begin on the Backside
Start putting in the panels on the backside fringe of the roof and work your approach up.
2. Overlap the Panels
Every panel ought to overlap the earlier panel by at the least 1-1/2 inches.
3. Use Screws to Safe
Use roofing screws to safe the panels to the roof deck. Drive the screws by way of the highest of the panel and into the deck.
4. Line Up the Panels
Ensure the panels are lined up straight and evenly earlier than securing them.
5. Reduce the Panels
If obligatory, lower the panels to suit round obstacles comparable to chimneys or skylights.
6. Seal the Overlaps
To stop water from seeping into the roof, apply a sealant to the overlaps between the panels.
| Sort of Sealant | Software |
|---|---|
| Butyl tape | Utilized to the underside of the overlap earlier than putting in the panels |
| Butyl caulk | Utilized to the joint between the panels after set up |
| Silicone caulk | Used for areas that require a extra versatile seal |
Securing Steel Panels
As soon as the underlayment is put in, you’ll be able to start securing the metallic panels. Use 1-inch roofing screws to lock the panels to the roof deck by way of the underlayment. Drive the screws into the excessive ribs of the panels to make sure a good match. Begin on the eaves and work your approach up the roof, overlapping the panels by at the least 2 inches.
Use a chalk line to mark the situation of the screws, making certain that they’re evenly spaced. Countersink the screws barely under the floor of the panels to stop injury to the paint end.
On the gable ends, you have to to trim the panels to suit. Use a metallic shear or round noticed with a metallic chopping blade to chop the panels to the specified size. Make sure you put on security glasses and gloves when chopping metallic.
As soon as the panels are lower to measurement, safe them to the roof deck with 1-inch roofing screws. Overlap the panels by at the least 2 inches and countersink the screws barely under the floor of the panels.
On the ridge of the roof, you have to to put in a ridge cap. A ridge cap is a metallic piece that covers the joint between the 2 roof panels. Safe the ridge cap to the roof deck with 1-inch roofing screws.
As soon as the metallic panels are secured, you’ll be able to set up the flashing. Flashing is a metallic materials put in round chimneys, vents, and different roof penetrations to stop water leaks. Reduce the flashing to suit across the penetration and safe it with roofing cement and 1-inch roofing screws.
Trimming and Adjusting
It is vital to chop the shingles in order that the brand new metallic panels can match appropriately and overhang the previous shingles by 12 inches. To do that, use a chalk line to snap a straight line 12 inches from the underside of the previous shingles.
Subsequent, use a utility knife (or roofing snips and shears) to trim the shingles alongside the chalk line. Maintain the lower as straight and at the same time as potential. If you could make a curve lower, you should use a jigsaw or scroll noticed.
As soon as the shingles are all trimmed, you can begin putting in the metallic roof panels. Relying on the kind of metallic panel you might be utilizing, chances are you’ll want to regulate them barely to suit tightly collectively.
To regulate the panels, use a pair of pliers or tin snips to softly bend or crimp the perimeters. Watch out to not bend the panels an excessive amount of, as this may injury them. As soon as the panels are adjusted, safe them in place with screws or nails.
Adjusting Panel Overhang
The overhang of the metallic panels is vital to make sure correct drainage and forestall water from leaking behind the roof. The overhang needs to be at the least 12 inches, and it may be adjusted by trimming the panels.
To trim the panels, use a chalk line to snap a straight line 12 inches from the sting of the roof. Then, use a utility knife or roofing snips to chop the panels alongside the chalk line.
| Panel Sort | Adjustment Methodology |
|---|---|
| Standing Seam | Crimp the seam to regulate the width |
| Corrugated | Overlap the panels and regulate the overlap width |
| Interlocking | Slide the panels collectively and regulate the interlocking place |
Sealing Laps and Seams
To make sure a water-proof seal, all laps and seams within the metallic roofing system should be correctly sealed. This entails utilizing a high-quality sealant or mastic that’s appropriate with the metallic and the underlayment.
Lap Sealants
Lap sealants are used to seal the overlaps between the metallic roofing panels. These sealants are sometimes utilized utilizing a caulking gun.
Seam Sealants
Seam sealants are used to seal the seams the place two or extra panels are joined collectively. These sealants are sometimes utilized utilizing a brush or a curler.
Butyl Tape
Butyl tape is a self-adhesive tape that can be utilized to seal laps and seams. One of these tape is usually utilized by hand.
Caulking
Caulking is a typical sealant that can be utilized to seal laps and seams. Nevertheless, it is very important use a caulking that’s appropriate with the metallic and the underlayment.
Sealant Software
When making use of sealants or mastic, it is very important observe the producer’s directions. This may be sure that the sealant is correctly utilized and can present the specified degree of safety.
Sealant Inspection
You will need to examine the sealant usually to make sure that it’s nonetheless in good situation. If the sealant is cracked or broken, it needs to be repaired or changed.
Sealant Desk
The next desk gives a abstract of the various kinds of sealants that can be utilized for metallic roofing:
| Sort of Sealant | Software |
|---|---|
| Lap Sealant | Overlaps between roofing panels |
| Seam Sealant | Seams the place panels are joined |
| Butyl Tape | Self-adhesive tape for laps and seams |
| Caulking | Suitable with metallic and underlayment |
How To Set up A Steel Roof Over Shingles
Putting in a metallic roof over shingles could be an effective way so as to add sturdiness and worth to your private home. Nevertheless, it is vital to notice that this can be a extra complicated course of than putting in a metallic roof over plywood. Listed here are the steps on tips on how to set up a metallic roof over shingles:
1. **Put together the shingles.** Earlier than you start putting in the metallic roof, you could put together the shingles by eradicating any unfastened or broken shingles. You also needs to test for any areas the place the shingles will not be correctly sealed and apply sealant as wanted.
2. **Set up the underlayment.** The underlayment is a layer of fabric that’s put in between the shingles and the metallic roof. It helps to guard the shingles from moisture and wind injury. There are a number of various kinds of underlayment obtainable, so make sure you select one that’s acceptable to your local weather and the kind of metallic roof you might be putting in.
3. **Set up the metallic roof panels.** The metallic roof panels are put in over the underlayment. They’re sometimes connected to the roof deck with screws or nails. Make sure you observe the producer’s directions for putting in the panels.
4. **Trim the metallic roof panels.** As soon as the metallic roof panels are put in, you could trim them across the edges of the roof. This may be accomplished with a noticed or a metallic shears.
5. **Seal the metallic roof panels.** The ultimate step is to seal the metallic roof panels. This may assist to stop water from leaking into the roof. There are a number of various kinds of sealants obtainable, so make sure you select one that’s acceptable for the kind of metallic roof you might be putting in.
Individuals Additionally Ask About Putting in Steel Roofing Over Shingles
What are the advantages of putting in a metallic roof over shingles?
There are a number of advantages to putting in a metallic roof over shingles together with:
- Elevated sturdiness: Steel roofs are way more sturdy than shingle roofs and may final for 50 years or extra.
- Decrease power prices: Steel roofs can replicate warmth away from your private home, which will help to scale back your power prices.
- Elevated hearth resistance: Steel roofs are hearth resistant and will help to guard your private home from hearth injury.
- Improved curb attraction: Steel roofs may give your private home a extra trendy and classy look.
### Is it tough to put in a metallic roof over shingles?
Putting in a metallic roof over shingles is extra complicated than putting in a metallic roof over plywood, however it’s nonetheless a doable challenge for DIYers with some expertise. Make sure you observe the producer’s directions rigorously and take all obligatory security precautions.
How a lot does it price to put in a metallic roof over shingles?
The fee to put in a metallic roof over shingles will range relying on the scale of your roof, the kind of metallic roof you select, and the complexity of the set up. Nevertheless, you’ll be able to anticipate to pay between $5 and $10 per sq. foot for a metallic roof.
