Embark on a transformative roofing journey by seamlessly putting in a metallic roof over your present shingles. Not like conventional roof replacements that require in depth removing and disposal, this progressive method preserves your present roof whereas enhancing its sturdiness and aesthetics. With meticulous planning and cautious execution, you may elevate your house’s safety and curb enchantment with out the trouble and expense of a whole tear-off.
Transitioning to a metallic roof provides a myriad of advantages that make it an funding value contemplating. Improve your house’s power effectivity, as metallic roofs mirror daylight, lowering warmth absorption and decreasing cooling prices. Embrace peace of thoughts understanding that your roof can stand up to excessive climate circumstances, resembling excessive winds, hail, and heavy snow masses. Furthermore, metallic roofs are nearly maintenance-free, eliminating the necessity for pricey 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 harm can compromise the integrity of your new metallic roof. Clear away any particles or moss from the floor and examine for any areas which will require extra repairs. By laying a strong basis, you may 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 harm, cupping, buckling, or lacking shingles. Free or compromised shingles might 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, resembling fiber cement or rubber shingles, will not be appropriate for putting in a metallic roof over. These shingles might 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 programs usually require a minimal slope, often round 1:12. If the roof slope is just too shallow, it could not have the ability to successfully shed water and particles, doubtlessly 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 enough to deal with the metallic roofing system’s weight with out inflicting extreme deflection or structural harm.
Inspecting the Roof Deck
Earlier than putting in a metallic roof over shingles, it is essential to rigorously examine the prevailing roof deck to make sure its integrity and suitability for the brand new roofing system.
This is a step-by-step information on the best way to examine the roof deck:
- Clear the roof: Take away any particles, leaves, or objects from the roof deck. This can permit you to see the floor clearly and establish any potential points.
- Search for tender or spongy spots: Stroll over the roof deck and test for any areas that really feel tender or spongy underfoot. This might point out moisture harm or rot, which must be addressed earlier than putting in the metallic roof.
- Study the shingles and underlayment: Examine the situation of the prevailing shingles and underlayment. Change any lacking, broken, or curled shingles. Make sure the underlayment is undamaged and freed from tears or punctures.
- Examine the roof construction: Examine the roof joists, rafters, and trusses for any indicators of injury 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: Study 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 photographs or make notes of any points you discover in the course of the inspection. This can function a report of the roof’s situation earlier than putting in the metallic roof.
Really helpful Instruments for Roof Deck Inspection:
| Software | Function |
|---|---|
| Roofing ladder | Protected and steady entry to the roof |
| Pry bar or flat shovel | Probing for tender spots |
| Flashlight | Illuminating darkish or obstructed areas |
| Digital camera or notepad | Documenting inspection findings |
Putting in Underlayment
The underlayment is a important part of any roofing system as a result of it gives extra safety in opposition to moisture, wind, and ice. When putting in a metallic roof over shingles, it’s essential to take away the prevailing shingles earlier than putting in the underlayment.
There are various several types of underlayment obtainable, so selecting one that’s acceptable to your local weather and roofing system is important. Basically, thicker underlayment gives extra safety however can also be costlier. A “breathable” underlayment permits moisture to flee whereas stopping water from penetrating the roof deck.
Step 1: Take away the Previous Shingles
Use a pry bar to rigorously take away the previous shingles. Work in small sections, beginning on the prime of the roof and dealing your method down. Watch out to not harm the roof deck.
Step 2: Examine the Roof Deck
As soon as the previous shingles have been eliminated, examine the roof deck for any harm. 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 method up. Overlap the underlayment by at the least 6 inches, and safe it with roofing nails.
Further 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 harm it. |
| If you’re 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 below the shingles and inflicting harm to the roof deck. It’s usually fabricated from aluminum or galvanized metal and is obtainable in a wide range of colours to match the roof shingles.
To put in drip edge, comply with 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 stop 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 method 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
Be sure the panels are lined up straight and evenly earlier than securing them.
5. Lower the Panels
If obligatory, lower the panels to suit round obstacles resembling 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 may 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 decent match. Begin on the eaves and work your method up the roof, overlapping the panels by at the least 2 inches.
Use a chalk line to mark the situation of the screws, guaranteeing that they’re evenly spaced. Countersink the screws barely beneath the floor of the panels to stop harm 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 reducing blade to chop the panels to the specified size. Be sure you put on security glasses and gloves when reducing metallic.
As soon as the panels are lower to dimension, 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 beneath 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 may set up the flashing. Flashing is a metallic materials put in round chimneys, vents, and different roof penetrations to stop water leaks. Lower the flashing to suit across the penetration and safe it with roofing cement and 1-inch roofing screws.
Trimming and Adjusting
It is essential 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. Hold the lower as straight and whilst attainable. If you might want to 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, you might 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 will harm 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 essential to make sure correct drainage and stop 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 usually 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 usually 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. The sort of tape is usually utilized by hand.
Caulking
Caulking is a standard sealant that can be utilized to seal laps and seams. Nevertheless, you will need to use a caulking that’s appropriate with the metallic and the underlayment.
Sealant Software
When making use of sealants or mastic, you will need to comply with the producer’s directions. This can make sure that the sealant is correctly utilized and can present the specified stage of safety.
Sealant Inspection
It is very important examine the sealant repeatedly 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 several types 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 | Appropriate with metallic and underlayment |
How To Set up A Steel Roof Over Shingles
Putting in a metallic roof over shingles might be an effective way so as to add sturdiness and worth to your house. Nevertheless, it is essential to notice that it is a extra advanced course of than putting in a metallic roof over plywood. Listed below are the steps on the best way to set up a metallic roof over shingles:
1. **Put together the shingles.** Earlier than you start putting in the metallic roof, you might want to put together the shingles by eradicating any unfastened or broken shingles. You must also test for any areas the place the shingles aren’t 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 harm. There are a number of several types of underlayment obtainable, so be 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 usually hooked up to the roof deck with screws or nails. Be sure you comply with 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 might want to trim them across the edges of the roof. This may be performed with a noticed or a metallic shears.
5. **Seal the metallic roof panels.** The ultimate step is to seal the metallic roof panels. This can assist to stop water from leaking into the roof. There are a number of several types of sealants obtainable, so be sure you select one that’s acceptable for the kind of metallic roof you might be putting in.
Folks 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 might final for 50 years or extra.
- Decrease power prices: Steel roofs can mirror warmth away from your house, which will help to scale back your power prices.
- Elevated fireplace resistance: Steel roofs are fireplace resistant and will help to guard your house from fireplace harm.
- Improved curb enchantment: Steel roofs may give your house a extra trendy and trendy look.
### Is it troublesome to put in a metallic roof over shingles?
Putting in a metallic roof over shingles is extra advanced than putting in a metallic roof over plywood, however it’s nonetheless a doable undertaking for DIYers with some expertise. Be sure you comply with the producer’s directions rigorously and take all obligatory security precautions.
How a lot does it value to put in a metallic roof over shingles?
The fee to put in a metallic roof over shingles will range relying on the dimensions of your roof, the kind of metallic roof you select, and the complexity of the set up. Nevertheless, you may anticipate to pay between $5 and $10 per sq. foot for a metallic roof.
