Shingles and Materials
Shingles, metal, underlayment, flashing and the parts of a roof system, explained for Georgia homes.
Guides
Architectural or 3-tab shingles: which is right for a Georgia home?Architectural vs 3-tab shingles in Georgia: weight, wind warranties, lifespan, availability as 3-tab lines shrink, cost What shingle color is best for a hot Georgia summer?How shingle color changes roof and attic heat in Georgia, what cool roof shingles really reflect, where to find ratings What is drip edge, and does a Georgia roof need it?What roof drip edge does, what IRC R905.2.8.5 requires in Georgia, how it should lap with underlayment, and how a missinWhere does ice and water shield go on a Georgia roof?Where self-adhering ice and water membrane belongs on Georgia roofs, what the 2024 IRC ice barrier rule requires, and whAre impact-resistant (Class 4) shingles worth it in Georgia?What UL 2218 Class 4 really tests, what it does not promise, how Georgia's FORTIFIED discount law works, and what impactIs a metal roof a good idea for a Georgia home?Standing seam vs exposed fastener metal roofs in Georgia: hail dents, the noise myth, heat and color, upkeep, and what mOSB or plywood roof decking: which is better, and what happens at a reroof?OSB vs plywood roof decking in Georgia: span ratings and thickness, how each fails when wet, plank decks, and how deck rWhat are the types of roof flashing, and should old flashing be reused?Step, counter, apron, valley and kickout flashing explained for Georgia homes, what the code requires, and why reusing oSynthetic underlayment or felt paper: which should go under your shingles?Synthetic underlayment vs asphalt felt under Georgia shingles: performance, what the 2024 IRC requires, and the manufact
Questions
- Architectural shingles vs composition shingles: what is the difference?
- Are GAF Timberline American Harvest shingles still available, and what replaced them?
- Are GAF Timberline NS shingles any good?
- Are GAF Timberline shingles asphalt shingles, and what are they made of?
- Are GAF Timberline shingles laminated shingles?
- Are GAF Timberline shingles rated Class 3?
- Are architectural shingles better than 3-tab?
- Are architectural shingles better than regular shingles?
- Are architectural shingles better?
- Are architectural shingles different from asphalt shingles?
- Are architectural shingles energy efficient?
- Are architectural shingles good?
- Are architectural shingles impact resistant?
- Are architectural shingles more expensive?
- Are architectural shingles worth it?
- Are impact-resistant shingles worth it?
- Are metal roofs safe?
- Are ridge caps necessary on a shingle roof?
- Are roofing nails supposed to go through the roof deck?
- Are screw caps worth it on a metal roof?
- Are there GAF Timberline metal shingles?
- Are there architectural shingles that look like slate?
- Are there impact-resistant architectural shingles?
- Can GAF Timberline Weathered Wood shingles be matched on an existing roof?
- Can you find roof pitch by address?
- Can you overlap metal roofing, and by how much?
- Can you paint a metal roof?
- Can you paint drip edge?
- Can you put a metal roof over shingles, and how is it done?
- Can you staple ice and water shield?
- Can you still get GAF Timberline Cedar Falls shingles?
- Can you use a staple gun for roof underlayment?
- Can you use architectural shingles for the starter course?
- Can you use roofing nails for siding?
- Can you use roofing nails for vinyl siding?
- Do GAF Timberline lifetime shingles really last a lifetime?
- Do I need plywood under a metal roof?
- Do I need ridge cap shingles, and how many?
- Do I need underlayment for a metal roof?
- Do I need underlayment for my roof, and how much?
- Do impact-resistant shingles work?
- Do metal roofs need drip edge?
- Do metal roofs need maintenance?
- Do you have to put down underlayment, and how do you put it down?
- Do you need roof underlayment over ZIP System sheathing?
- Do you need sheathing under a metal roof?
- Does GAF Timberline NS Charcoal match HDZ Charcoal?
- Does a metal roof have felt under it?
- Does a metal roof qualify for an energy tax credit?
- Does a roof need underlayment?
- Does algae grow on metal roofs?
- Does roof underlayment need to be glued down?
- Eave drip vs drip edge: what is the difference?
- GAF Timberline NS vs HDZ: which should you choose?
- GAF Timberline vs CertainTeed Landmark: which shingle is better?
- GAF Timberline vs IKO Dynasty: how do they compare?
- GAF Timberline vs Owens Corning Duration: which is better for a Georgia roof?
- High profile ridge cap vs regular ridge cap: which should you choose?
- How are ridge caps cut for a roof?
- How can you get GAF Timberline shingle samples?
- How can you tell if roof shingles contain asbestos?
- How can you tell if you have architectural shingles?
- How can you tell if your roof is impact resistant?
- How do GAF Timberline AS II shingles compare with other Timberline shingles?
- How do GAF Timberline Ultra HDZ shingles hold up to Georgia hail and heat?
- How do I know if I have architectural shingles?
- How do I know what my roof pitch is?
- How do architectural shingles compare with traditional shingles?
- How do architectural shingles differ from regular shingles, and which do you have?
- How do architectural shingles look on a house?
- How do impact resistant shingles compare with regular shingles, including cost?
- How do luxury shingles compare with architectural shingles?
- How do metal roof screws with rubber washers work?
- How do roof costs compare by type of roofing?
- How do solar panels mount on a metal roof?
- How do you attach roof underlayment?
- How do you calculate drip edge for a roof?
- How do you calculate how far up the eave ice and water shield must go?
- How do you calculate roof decking?
- How do you calculate roof pitch in degrees?
- How do you calculate roof pitch with rise and run?
- How do you check roof pitch?
- How do you close the end of a ridge cap on a metal roof?
- How do you cut roof underlayment?
- How do you describe roof pitch?
- How do you do drip edge corners?
- How do you find the best rated architectural shingles?
- How do you identify roof shingles?
- How do you install ridge cap on a metal roof?
- How do you lay architectural shingles?
- How do you lay roof underlayment?
- How do you make ridge cap shingles, and can you make your own?
- How do you measure a roof for metal roofing?
- How do you measure drip edge?
- How do you nail roofing felt?
- How do you nail roofing shingles, and which nails do you use?
- How do you pick a GAF Timberline UHDZ shingle color?
- How do you put a metal roof on a lean-to?
- How do you put on a metal roof?
- How do you ridge cap architectural shingles?
- How do you say roof pitch in Spanish?
- How do you secure roof underlayment so it does not blow off?
- How do you shingle a ridge cap?
- How do you start architectural shingles?
- How do you use a roof pitch angle finder?
- How do you use roofing nails correctly?
- How do you work out roof pitch from the outside?
- How does a high profile ridge cap compare with standard ridge cap in performance?
- How does roof underlayment cost compare by type?
- How far does drip edge stick out?
- How far should a metal roof overhang the drip edge?
- How is a pitch change handled on a metal roof?
- How is a ridge cap installed on a standing seam metal roof?
- How is drip edge measured?
- How is ice and water shield different from other roof underlayment?
- How is installing architectural shingles different from installing 3-tab?
- How is roof decking built, and what does the building code require?
- How long are architectural shingles?
- How long do architectural shingles last?
- How long is a piece of drip edge, and what sizes does it come in?
- How long is a roll of ice and water shield, and how far does one go?
- How long is a stick of drip edge?
- How long is drip edge, and how long should it be?
- How long roofing nails do I need for my roof?
- How long should roofing nails be for shingles?
- How long should roofing nails be, and can they be too long?
- How long should shingle nails be?
- How long will ice and water shield last on a roof without shingles?
- How many 10-foot pieces of drip edge do you need?
- How many bundles of architectural shingles make a square?
- How many roofing nails are in a pound?
- How many roofing nails are needed per square?
- How many roofing nails do I need, and what size?
- How many roofing nails per square foot does a shingle roof need?
- How much do architectural shingles weigh per square foot?
- How much do architectural shingles weigh per square?
- How much do architectural shingles weigh?
- How much do shingles weigh?
- How much does a roll of ice and water shield weigh?
- How much does metal roofing weigh?
- How much drip edge do I need, and do I need it at all?
- How much maintenance do metal roofs require?
- How much pitch should a lean-to roof have?
- How much ridge cap comes in a bundle?
- How much should a roof slope?
- How much should drip edge overlap?
- How much should ridge cap overlap?
- How should insulation work with a metal roof on a house?
- How should you use an architectural shingles color chart?
- How thick is roof underlayment in millimeters?
- How thick is roof underlayment?
- How thick should roof decking be?
- Impact-resistant shingles vs a metal roof: which handles Georgia hail better?
- Is GAF Timberline AS II still sold, and when does it make sense?
- Is GAF Timberline Natural Shadow the same as Timberline NS?
- Is GAF Timberline UHDZ Charcoal worth choosing?
- Is GAF Timberline Ultra HDZ worth the upgrade over HDZ?
- Is a higher pitched roof better?
- Is a metal roof good for a home?
- Is a metal roof with exposed fasteners a good idea for a house?
- Is a metal roof worth it?
- Is a rib metal roof a good choice for a Georgia home?
- Is drip edge necessary on a roof?
- Is drip edge required by code?
- Is ice and water shield necessary on a Georgia roof?
- Is it called roof decking or roof sheathing?
- Is roof decking considered structural?
- Is roof underlayment necessary?
- Is shingle roofing a good choice for a Georgia home?
- Is there a metal roof that looks like shingles?
- Metal roof vs asphalt shingles: which is better for a Georgia home?
- Open valley vs closed valley: which is better?
- Roof decking: OSB vs plywood, which is better?
- Should I do a metal roof or shingles?
- Should I ground my metal roof?
- Should roofing nails go through the plywood?
- Should roofing nails go through the sheathing?
- Should shingles overhang the drip edge, and by how much?
- Should you be able to see drip edge on a roof?
- Should you choose GAF Timberline impact-resistant shingles?
- Should you choose architectural shingles or a metal roof?
- Should you replace your roof with solar shingles?
- What OSB roof decking thickness does the building code require?
- What are Class 3 impact resistant shingles?
- What are Class 4 architectural shingles?
- What are Class 4 impact resistant shingles?
- What are GAF Timberline HDZ RS shingles?
- What are GAF Timberline Natural Shadow shingles?
- What are GAF Timberline architectural shingles?
- What are H-clips on roof decking, and are they required?
- What are Owens Corning's architectural shingles?
- What are algae-resistant roof shingles?
- What are architectural roofing shingles, and how are they installed?
- What are architectural shingles made of?
- What are architectural shingles, and do I have them?
- What are asphalt shingles, and do shingles have asphalt?
- What are common roof pitch angles in degrees?
- What are decorative roof ridge caps, and are they worth it?
- What are end caps on a metal roof?
- What are foam closure strips on a metal roof?
- What are impact resistant shingles made of?
- What are ridge cap dimensions in mm?
- What are ridge cap shingles, and how do you replace them?
- What are roof shingles made of?
- What are roofing nails made of?
- What are roofing nails?
- What are some examples of architectural shingles?
- What are the best architectural roof shingles?
- What are the best architectural shingle brands?
- What are the best architectural shingles for 2025 and into 2026?
- What are the best rated architectural roof shingles?
- What are the best roofing nails for asphalt shingles?
- What are the best roofing nails for shingles?
- What are the classes of impact resistant shingles?
- What are the code requirements for roof decking?
- What are the different types of metal roofing called?
- What are the different types of ridge caps?
- What are the dimensions of ice and water shield: width, length and thickness?
- What are the dimensions of metal ridge cap?
- What are the dimensions of roof ridge cap shingles?
- What are the highest rated architectural shingles?
- What are the material options for a new roof in Georgia?
- What are the material options for roof decking?
- What are the pros and cons of a metal roof?
- What are the pros and cons of architectural shingles?
- What are the pros and cons of skylights?
- What are the types of metal roof flashing?
- What are the types of roofing nails?
- What are the underlayment options for a metal roof?
- What are the underlayment requirements for a metal roof in Georgia?
- What are toe nails in roofing?
- What are typical drip edge dimensions?
- What causes algae growth on shingles, and how do algae resistant shingles stop it?
- What causes oil canning on a metal roof?
- What causes roof decking to warp?
- What causes roof shingles to buckle?
- What class are architectural shingles?
- What colors does GAF Timberline UHDZ come in?
- What do GAF Timberline Biscayne Blue shingles look like?
- What do architectural shingles look like on a roof?
- What do architectural shingles look like?
- What do ice and water shield details look like at eaves, valleys, walls and pipes?
- What do images of drip edge show?
- What do impact-resistant shingles look like?
- What do pictures of drip edge show compared with a roof that has none?
- What do roofing nails cost, and which ones do you need?
- What do roofing nails look like?
- What do the specifications on an ice and water shield data sheet mean?
- What does Class 3 mean for architectural shingles?
- What does Class 4 mean for GAF Timberline ArmorShield II?
- What does SG mean on GAF Timberline HDZ shingles?
- What does a 2-inch drip edge mean?
- What does a drip edge look like?
- What does a ridge cap look like?
- What does a roof pitch slope chart tell you about roofing materials?
- What does a roofing nail size chart show for common jobs?
- What does an architectural shingle look like?
- What does code require for a metal roof in Georgia?
- What does drip edge do on a home?
- What does drip edge go on?
- What does drip edge look like on a house?
- What does roof pitch mean?
- What does roof underlayment look like?
- What does weathered wood look like in architectural shingles?
- What edge trims does a metal roof need?
- What happened to GAF Timberline HD shingles?
- What happened to GAF Timberline Ultra HD shingles?
- What information do you need before putting a metal roof on a home?
- What is GAF Timberline ArmorShield II?
- What is GAF Timberline Golden Harvest?
- What is GAF Timberline HDZ in Weathered Wood like?
- What is GAF Timberline Midnight Mesa?
- What is Grace Ice and Water Shield?
- What is J-channel used for on a metal roof?
- What is Z flashing on a metal roof?
- What is a Z-bar on a metal roof?
- What is a drip edge in construction?
- What is a good roof pitch?
- What is a high profile ridge cap?
- What is a high-grade ridge cap, and is it worth it?
- What is a metal ridge cap?
- What is a metal roof hip cap, and how is it installed?
- What is a metal roof that looks like shingles?
- What is a normal roof pitch for a house?
- What is a pitched roof build up, and how is a pitched roof built?
- What is a ridge cap end closure?
- What is a ridge cap, what does it do, and how is it installed?
- What is a roof deck in construction?
- What is a skylight that does not open called, and is it a good choice?
- What is a standing seam metal roof?
- What is an ice and water shield barrier, and is it the same as an ice barrier?
- What is an ice and water shield membrane made of?
- What is an impact resistant shingle roof?
- What is an underlayment sheet used for on a roof?
- What is an underlayment, and how much does it cost?
- What is butyl tape used for on a metal roof?
- What is drip edge made of?
- What is drip edge metal, and does a metal roof need it?
- What is drip edge on a house?
- What is drip edge on a roof, and how is it installed?
- What is drip edge, and what does it do?
- What is eave trim on a metal roof?
- What is flashing tape, and can you use it on a roof?
- What is gable trim on a metal roof?
- What is ice and water shield made of?
- What is ice and water shield used for on Georgia roofs, where ice is rare?
- What is it like to have a metal roof on a house?
- What is metal roof decking?
- What is metal roofing made of?
- What is metal roofing, and should I get a metal roof?
- What is oil canning on a metal roof?
- What is on a complete materials list for a new shingle roof?
- What is on the GAF Timberline technical data sheet?
- What is peel and stick roof underlayment, and when should you use it?
- What is radiant barrier roof decking?
- What is roof decking called?
- What is roof decking made of?
- What is roof decking made of?
- What is roof decking seam tape, and is it worth it?
- What is roof decking?
- What is roof sheathing, and how much does it cost?
- What is roof underlayment made of?
- What is roof underlayment?
- What is the basic info on metal roofs: types, metals and finishes?
- What is the best architectural shingle?
- What is the best drip edge for a roof?
- What is the best ice and water shield for a metal roof?
- What is the best ice and water shield for roofs?
- What is the best metal roof coating for an older metal roof?
- What is the best metal roof for a residential home?
- What is the best metal roofing for a house?
- What is the best metal roofing material?
- What is the best option for roof decking?
- What is the best roof decking material?
- What is the best roof pitch for a garage?
- What is the best roof pitch for a metal roof?
- What is the best roof underlayment for shingles?
- What is the best roof underlayment?
- What is the best roofing nail length?
- What is the best shingle brand for a roof?
- What is the best underlayment for a metal roof?
- What is the building code for roof decking?
- What is the difference between a ridge cap and a ridge roll?
- What is the difference between a roof deck and a floor deck?
- What is the difference between a roof with underlayment and one with no underlayment?
- What is the difference between a roofing nail and a siding nail?
- What is the difference between architectural and standard shingles?
- What is the difference between architectural shingles and 3-tab shingles?
- What is the difference between architectural shingles and composite shingles?
- What is the difference between drip cap and drip edge?
- What is the difference between ice and water shield and felt underlayment?
- What is the difference between roof decking and roof sheathing?
- What is the difference between roof pitch and roof slope?
- What is the difference between roof underlayment and tar paper?
- What is the difference between roofing nails and framing nails?
- What is the difference between the roof deck and the roof top?
- What is the ideal pitch for a roof?
- What is the impact rating of GAF Timberline shingles?
- What is the life expectancy of Class 4 impact resistant shingles?
- What is the minimum pitch for architectural shingles?
- What is the minimum roof decking thickness?
- What is the minimum slope for a metal roof?
- What is the most common roof pitch?
- What is the nail pattern for roof underlayment?
- What is the nailing pattern for architectural shingles?
- What is the purpose of a ridge cap?
- What is the purpose of drip edge?
- What is the purpose of roof underlayment?
- What is the recommended roofing nail length?
- What is the standard roofing nail length?
- What is the standard roofing nail size?
- What is the standard skylight size?
- What is the starter row for architectural shingles?
- What is the truth about metal roofs?
- What is the usable width of ice and water shield once it is lapped?
- What is the warranty on GAF Timberline shingles?
- What is the wind rating of GAF Timberline shingles?
- What is underlayment in construction?
- What kind of wood decking is used for roofs?
- What length does drip edge come in?
- What length of roofing nails should I use?
- What lengths does drip edge come in?
- What makes GAF Timberline dimensional shingles dimensional?
- What nails do you use for roof tiles?
- What nails or fasteners do you use for a metal roof?
- What roof decking thickness does the building code require?
- What roof pitch do shingles need?
- What roof pitch is best for a pole barn?
- What roof underlayment goes under a metal roof?
- What roof underlayment works best in a hot climate like Georgia?
- What roofing materials work best in Georgia?
- What roofing shingles are the best quality?
- What should photos of drip edge show on a finished roof?
- What should you know about metal roofing before you buy?
- What size OSB should you use for roof decking?
- What size and style of drip edge should I use?
- What size are metal roof panels?
- What size are metal roofing sheets?
- What size do metal roof panels come in?
- What size drip edge do you need for a 4/12 pitch roof?
- What size drip edge does my roof need?
- What size drip edge is best?
- What size is standard drip edge?
- What size nails are used for roofing?
- What size nails do you use for a shingle roof?
- What size plywood do you need for roof decking?
- What size roof sheathing should be used, especially when replacing a few sheets?
- What size roofing nails are used for asphalt shingles?
- What size roofing nails do you need for 1/2 inch plywood?
- What size roofing nails do you need for two layers of shingles?
- What size roofing nails do you use for architectural shingles?
- What size roofing nails do you use for ridge cap?
- What size roofing nails should you use?
- What size screws do you use for metal roofing?
- What size shingles are discontinued?
- What size skylight do I need for my room?
- What size skylight should I get for my roof?
- What thickness of plywood is used for roof decking?
- What thickness should roof decking be?
- What types of decking go under a metal roof?
- What types of metal roofs are used on homes?
- What underlayment does a tile roof need?
- What underlayment goes under a metal roof installed over shingles?
- What underlayment membranes are used under tile roofs?
- What warranty comes with impact resistant shingles?
- What were the roof decking requirements in the 2018 IRC, and what changed in Georgia?
- When did impact-resistant shingles come out?
- When should you replace roof tiles, and how is it done?
- When should you use roof underlayment?
- Where can you see images of GAF Timberline Charcoal shingles on real homes?
- Where can you see photos of architectural shingles, and what should you look for?
- Where can you see pictures of architectural shingle colors?
- Where do you find the GAF Timberline data sheet, and what does it tell you?
- Where does drip edge go, and how is it placed?
- Which GAF Timberline roof colors look best on Georgia homes?
- Which GAF Timberline roof shingle is right for your home?
- Which homes are architectural shingles right for?
- Which is better for shingles, roofing nails or staples?
- Which is better over time, a shingle or metal roof?
- Which is better, a metal roof or architectural shingles?
- Which is better, a metal roof or shingles?
- Which is better, a tin roof or shingles?
- Which is better, an asphalt or metal roof?
- Which roof is better, metal or tile?
- Which roof shingles are the best?
- Which shingles are best for a Georgia home?
- Why are metal roofs better?
- Why are metal roofs so expensive?
- Why buy a metal roof?
- Why is a metal roof better than shingles?
- Why shouldn't you get a metal roof?
- Why use drip edge on a roof?