Embark on a transformative roofing journey by seamlessly putting in a steel roof over your present shingles. Not like conventional roof replacements that require in depth removing and disposal, this progressive approach preserves your present roof whereas enhancing its sturdiness and aesthetics. With meticulous planning and cautious execution, you’ll be able to elevate your house’s safety and curb enchantment with out the trouble and expense of an entire tear-off.
Transitioning to a steel roof gives a myriad of advantages that make it an funding price contemplating. Improve your house’s vitality effectivity, as steel roofs replicate daylight, lowering warmth absorption and decreasing cooling prices. Embrace peace of thoughts figuring out that your roof can face up to excessive climate circumstances, equivalent to excessive winds, hail, and heavy snow masses. Furthermore, steel roofs are just about maintenance-free, eliminating the necessity for pricey repairs or replacements down the street.
Earlier than embarking on this roofing journey, meticulous preparation is paramount. Be sure that your present shingles are in good situation, as any underlying injury can compromise the integrity of your new steel roof. Clear away any particles or moss from the floor and examine for any areas which will require further repairs. By laying a stable basis, you’ll be able to set the stage for a profitable and long-lasting steel roof set up.
Assessing Shingle Roof Compatibility
Earlier than putting in a steel roof over shingles, it is essential to find out in case your present shingle roof is suitable with the steel roofing system you plan to put in. Incompatible shingles can compromise the efficiency and longevity of the steel roof, resulting in potential points down the road.
The next components ought to be thought of when assessing shingle roof compatibility:
- Situation of Shingles: Shingles ought to be in good situation, free from extreme injury, cupping, buckling, or lacking shingles. Unfastened or compromised shingles could not present a steady floor for the steel roof, resulting in potential points with attachment and climate resistance.
- Sort of Shingles: Sure sorts of shingles, equivalent to fiber cement or rubber shingles, will not be appropriate for putting in a steel roof over. These shingles could have totally different properties and textures that may have an effect on the adhesion and efficiency of the steel roofing system.
- Slope of Roof: The slope of the roof can be an element to think about. Steel roofing methods usually require a minimal slope, normally round 1:12. If the roof slope is just too shallow, it could not have the ability 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 steel roof. Be sure that the underlying roof framing is ample to deal with the steel roofing system’s weight with out inflicting extreme deflection or structural injury.
Inspecting the Roof Deck
Earlier than putting in a steel roof over shingles, it is essential to fastidiously 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 methods to examine the roof deck:
- Clear the roof: Take away any particles, leaves, or objects from the roof deck. This may will let you see the floor clearly and determine any potential points.
- Search for mushy or spongy spots: Stroll over the roof deck and test for any areas that really feel mushy or spongy underfoot. This might point out moisture injury or rot, which must be addressed earlier than putting in the steel roof.
- Study 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 unbroken and freed from tears or punctures.
- Test the roof construction: Examine the roof joists, rafters, and trusses for any indicators of injury or decay. Search for cracks, unfastened joints, or sagging. If you happen to 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 throughout the inspection. This may function a document of the roof’s situation earlier than putting in the steel roof.
Advisable Instruments for Roof Deck Inspection:
| Instrument | Function |
|---|---|
| Roofing ladder | Secure and steady entry to the roof |
| Pry bar or flat shovel | Probing for mushy 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 further safety towards moisture, wind, and ice. When putting in a steel roof over shingles, it’s essential to take away the present shingles earlier than putting in the underlayment.
There are lots of various kinds of underlayment out there, so selecting one that’s applicable on your local weather and roofing system is crucial. Generally, thicker underlayment offers extra safety however can 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 fastidiously take away the outdated shingles. Work in small sections, beginning on the prime of the roof and dealing your manner down. Watch out to not injury the roof deck.
Step 2: Examine the Roof Deck
As soon as the outdated 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 manner up. Overlap the underlayment by a minimum of 6 inches, and safe it with roofing nails.
Further 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 instantly on the underlayment, as this might injury it. |
| In case you are putting in a steel 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 steel flashing that’s put in alongside the eaves and rakes of the roof to stop water from seeping beneath the shingles and inflicting injury to the roof deck. It’s usually 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, 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 a minimum of 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 means of.
| Materials | Gauge | Width | Size |
|---|---|---|---|
| Aluminum | 0.032″ | 10″ | 10′ |
| Galvanized metal | 0.024″ | 12″ | 12′ |
Positioning Steel Roof Panels
Upon getting put in the underlayment, you can begin positioning the steel roof panels.
1. Begin on the Backside
Start putting in the panels on the backside fringe of the roof and work your manner up.
2. Overlap the Panels
Every panel ought to overlap the earlier panel by a minimum of 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 certain that the panels are lined up straight and evenly earlier than securing them.
5. Lower the Panels
If vital, lower the panels to suit round obstacles equivalent to chimneys or skylights.
6. Seal the Overlaps
To forestall 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 steel 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 manner up the roof, overlapping the panels by a minimum of 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 injury to the paint end.
On the gable ends, you’ll need to trim the panels to suit. Use a steel shear or round noticed with a steel chopping blade to chop the panels to the specified size. Make sure you put on security glasses and gloves when chopping steel.
As soon as the panels are lower to dimension, safe them to the roof deck with 1-inch roofing screws. Overlap the panels by a minimum of 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 steel 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 steel panels are secured, you’ll be able to set up the flashing. Flashing is a steel 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 necessary to chop the shingles in order that the brand new steel panels can match appropriately and overhang the outdated shingles by 12 inches. To do that, use a chalk line to snap a straight line 12 inches from the underside of the outdated 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 whilst potential. If you could make a curve lower, you need to use a jigsaw or scroll noticed.
As soon as the shingles are all trimmed, you can begin putting in the steel roof panels. Relying on the kind of steel 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 could injury them. As soon as the panels are adjusted, safe them in place with screws or nails.
Adjusting Panel Overhang
The overhang of the steel panels is necessary to make sure correct drainage and forestall water from leaking behind the roof. The overhang ought to be a minimum of 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 steel roofing system should be correctly sealed. This includes utilizing a high-quality sealant or mastic that’s suitable with the steel and the underlayment.
Lap Sealants
Lap sealants are used to seal the overlaps between the steel 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 often utilized by hand.
Caulking
Caulking is a standard sealant that can be utilized to seal laps and seams. Nonetheless, it is very important use a caulking that’s suitable with the steel and the underlayment.
Sealant Software
When making use of sealants or mastic, it is very important comply with the producer’s directions. This may be sure that the sealant is correctly utilized and can present the specified degree 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 ought to be repaired or changed.
Sealant Desk
The next desk offers a abstract of the various kinds of sealants that can be utilized for steel 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 steel and underlayment |
How To Set up A Steel Roof Over Shingles
Putting in a steel roof over shingles might be a good way so as to add sturdiness and worth to your house. Nonetheless, it is necessary to notice that it is a extra advanced course of than putting in a steel roof over plywood. Listed here are the steps on methods to set up a steel roof over shingles:
1. **Put together the shingles.** Earlier than you start putting in the steel roof, you could put together the shingles by eradicating any unfastened or broken shingles. You must also test for any areas the place the shingles are usually 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 steel roof. It helps to guard the shingles from moisture and wind injury. There are a number of various kinds of underlayment out there, so remember to select one that’s applicable on your local weather and the kind of steel roof you might be putting in.
3. **Set up the steel roof panels.** The steel roof panels are put in over the underlayment. They’re usually hooked up to the roof deck with screws or nails. Make sure you comply with the producer’s directions for putting in the panels.
4. **Trim the steel roof panels.** As soon as the steel roof panels are put in, you could trim them across the edges of the roof. This may be performed with a noticed or a steel shears.
5. **Seal the steel roof panels.** The ultimate step is to seal the steel 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 remember to select one that’s applicable for the kind of steel roof you might be putting in.
Folks Additionally Ask About Putting in Steel Roofing Over Shingles
What are the advantages of putting in a steel roof over shingles?
There are a number of advantages to putting in a steel 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 vitality prices: Steel roofs can replicate warmth away from your house, which can assist to scale back your vitality prices.
- Elevated fireplace resistance: Steel roofs are fireplace resistant and can assist to guard your house from fireplace injury.
- Improved curb enchantment: Steel roofs can provide your house a extra trendy and classy look.
### Is it troublesome to put in a steel roof over shingles?
Putting in a steel roof over shingles is extra advanced than putting in a steel roof over plywood, however it’s nonetheless a doable undertaking for DIYers with some expertise. Make sure you comply with the producer’s directions fastidiously and take all vital security precautions.
How a lot does it price to put in a steel roof over shingles?
The price to put in a steel roof over shingles will differ relying on the dimensions of your roof, the kind of steel roof you select, and the complexity of the set up. Nonetheless, you’ll be able to anticipate to pay between $5 and $10 per sq. foot for a steel roof.
