Embark on a transformative roofing journey by seamlessly putting in a metallic roof over your current shingles. Not like conventional roof replacements that require in depth elimination and disposal, this modern approach preserves your current 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 effort and expense of a whole tear-off.
Transitioning to a metallic roof gives a myriad of advantages that make it an funding value contemplating. Improve your private home’s vitality effectivity, as metallic roofs replicate daylight, lowering warmth absorption and decreasing cooling prices. Embrace peace of thoughts realizing that your roof can stand up to excessive climate situations, reminiscent of 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. Be certain that your current 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 that will require extra repairs. By laying a strong 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 current shingle roof is appropriate with the metallic roofing system you propose to put in. Incompatible shingles can compromise the efficiency and longevity of the metallic roof, resulting in potential points down the road.
The next elements needs to be thought of when assessing shingle roof compatibility:
- Situation of Shingles: Shingles needs to be in good situation, free from extreme harm, cupping, buckling, or lacking shingles. Unfastened or compromised shingles might not present a steady floor for the metallic roof, resulting in potential points with attachment and climate resistance.
- Kind of Shingles: Sure kinds of shingles, reminiscent of 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 sometimes require a minimal slope, normally round 1:12. If the roof slope is simply too shallow, it might not be capable to successfully shed water and particles, probably resulting in leaks and different issues.
- Roof Construction: The structural integrity of the roof is essential to help the extra weight of a metallic roof. Be certain that the underlying roof framing is ample 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 fastidiously examine the prevailing roof deck to make sure its integrity and suitability for the brand new roofing system.
Here is a step-by-step information on how one can 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 comfortable or spongy spots: Stroll over the roof deck and verify for any areas that really feel comfortable or spongy underfoot. This might point out moisture harm or rot, which must be addressed earlier than putting in the metallic roof.
- Look at the shingles and underlayment: Examine the situation of the prevailing 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 injury or decay. Search for cracks, free joints, or sagging. In case 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 images or make notes of any points you discover in the course of the inspection. This may function a file of the roof’s situation earlier than putting in the metallic roof.
Really useful Instruments for Roof Deck Inspection:
| Instrument | Function |
|---|---|
| Roofing ladder | Protected and steady entry to the roof |
| Pry bar or flat shovel | Probing for comfortable spots |
| Flashlight | Illuminating darkish or obstructed areas |
| Digital camera or notepad | Documenting inspection findings |
Putting in Underlayment
The underlayment is a vital part of any roofing system as a result of it offers extra safety towards moisture, wind, and ice. When putting in a metallic roof over shingles, you need to take away the prevailing shingles earlier than putting in the underlayment.
There are various various kinds of underlayment out there, so selecting one that’s acceptable on your local weather and roofing system is important. Usually, thicker underlayment offers 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 Previous Shingles
Use a pry bar to fastidiously 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 very least 6 inches, and safe it with roofing nails.
Extra Suggestions 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 towards 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 beneath the shingles and inflicting harm to the roof deck. It’s sometimes product of aluminum or galvanized metal and is accessible in a wide range of colours to match the roof shingles.
To put in drip edge, observe these steps:
- Measure and reduce 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 very 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 means 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 very 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 means of the highest of the panel and into the deck.
4. Line Up the Panels
Be sure that the panels are lined up straight and evenly earlier than securing them.
5. Lower the Panels
If obligatory, reduce the panels to suit round obstacles reminiscent of chimneys or skylights.
6. Seal the Overlaps
To forestall water from seeping into the roof, apply a sealant to the overlaps between the panels.
| Kind of Sealant | Utility |
|---|---|
| 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 means 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 method up the roof, overlapping the panels by at the very 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’ll need 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. You’ll want to put on security glasses and gloves when chopping metallic.
As soon as the panels are reduce to measurement, safe them to the roof deck with 1-inch roofing screws. Overlap the panels by at the very least 2 inches and countersink the screws barely beneath the floor of the panels.
On the ridge of the roof, you’ll need 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. Lower 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 reduce as straight and at the same time as potential. If it is advisable make a curve reduce, you should utilize 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 could 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 vital to make sure correct drainage and stop water from leaking behind the roof. The overhang needs to be at the very 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 Kind | 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 have to be correctly sealed. This includes 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 often 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 Utility
When making use of sealants or mastic, it is very important observe the producer’s directions. This may be certain that the sealant is correctly utilized and can present the specified degree of safety.
Sealant Inspection
You will need to examine the sealant recurrently 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 offers a abstract of the various kinds of sealants that can be utilized for metallic roofing:
| Kind of Sealant | Utility |
|---|---|
| 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 could be a good way so as to add sturdiness and worth to your private home. Nevertheless, it is vital to notice that it is a extra complicated course of than putting in a metallic roof over plywood. Listed here are the steps on how one can set up a metallic roof over shingles:
1. **Put together the shingles.** Earlier than you start putting in the metallic roof, it is advisable put together the shingles by eradicating any free or broken shingles. You must also verify for any areas the place the shingles usually are not 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 various kinds of underlayment out there, so be sure you select one that’s acceptable on 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 hooked up to the roof deck with screws or nails. You’ll want to 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, it is advisable 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 out there, so be 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 rather more sturdy than shingle roofs and might final for 50 years or extra.
- Decrease vitality prices: Steel roofs can replicate warmth away from your private home, which can assist to scale back your vitality prices.
- Elevated fireplace resistance: Steel roofs are fireplace resistant and can assist to guard your private home from fireplace harm.
- Improved curb attraction: Steel roofs can provide your private home a extra trendy and classy look.
### Is it troublesome 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 venture for DIYers with some expertise. You’ll want to observe the producer’s directions fastidiously and take all obligatory security precautions.
How a lot does it price to put in a metallic roof over shingles?
The associated fee to put in a metallic roof over shingles will differ relying on the dimensions of your roof, the kind of metallic roof you select, and the complexity of the set up. Nevertheless, you’ll be able to count on to pay between $5 and $10 per sq. foot for a metallic roof.
