InterNACHI Roofing Practice Exam

These questions are part of the practice quiz. Start practicing

• Which asphalt shingle characteristic provides protection from ultraviolet light?
• What is the minimum roof pitch for installing asphalt shingles, according to manufacturer instructions?
• How much heavier are slate roofs compared to standard shingle roofs?
• At what location should moisture be directed away using apron flashings?
• Which material is typically used to make ridge or hip flashings?
• Which of the following aspects is crucial for the installation of clay or concrete tile roofs?
• What is the purpose of collar ties in roofing?
• How can roll roofing be attached to the surface of the roof?
• Should slate tile roofs be walked on?
• If valley flashing cannot be seen, it is referred to as what type of valley?
• What type of flashing is best to prevent water from pooling near the base of a chimney?
• What can happen if sheathing is fitted too closely together?
• What can lead to rafter sag?
• What kind of sheathing is NOT recommended for installation of solid tile roofs?
• What additional protection should be provided in valleys besides normal felt or tar paper?
• What is another term for two-ply roll roofing?
• What is a common ridge issue associated with older homes?
• What is the primary process for creating asphalt shingles?
• What is the recommended fastening method for slate tiles?
• Are clay tiles easily distinguishable from concrete tiles?
• Which of the following is NOT a common metal used for roof flashing?
• What does galvanic reaction between materials in roofing systems lead to?
• True or False: A fully closed valley features shingles interwoven across the valley extending a minimum of 12 inches onto the adjacent plane.
• What condition is indicated by trapped moisture between the plies of roll roofing?
• True or False: Clay and concrete tiles usually feature specially manufactured ridge caps that are either nailed or mortared in place.
• Asphalt shingles are made from an asphalt impregnated _________.
• How is roof pitch typically expressed?
• What composition of materials makes roll roofing impervious to moisture?
• What should be included in a flashing system to ensure effective water diversion?
• Which of the following would not contribute to rafter spread?
• What is the main concern with roll roofing regarding water drainage?
• Which slope range classifies a conventional roof?
• What is the purpose of particularly designed ridge caps for tile roofs?
• Asphalt shingles use either cellulose or __________ as a base.
• Which type of roofing material is known for being susceptible to mechanical damage?
• What is the underlayment for asphalt shingles designed to do?
• What does the presence of pooling on a roof suggest?
• How should the drip edge be installed on the rakes versus the eaves?
• What can a sagging ridge indicate?
• What is the average lifespan of metal roofing (shingle and sheet)?
• What type of flashing prevents water from running down the wall and getting behind the base flashing?
• A closed valley means that the valley flashing __________.
• What is the term for deflection of the ridge beam?
• Where should joints between slate tiles ideally be staggered?
• Which of these is a requirement for gutter installation?
• What is the minimum recommended slope for asphalt shingles to be used?
• Which structural problem could indicate issues with a foundation?
• What factors can cause sheathing issues?
• Which statement correctly describes the relationship between roof steepness and moisture shedding?
• What material are metal roof tiles typically made of?
• Traditional built-up roofing is abbreviated as BUR. What is another name for it?
• What are the three main types of soffit?
• What is the term for the horizontal board enclosing the ends of the rafter projections?
• Asphalt shingles are designed for roofs with a minimum pitch greater than what ratio?
• Traditional step flashing should overlap ___ inches in every direction.
• What is the expected lifespan of asphalt shingle (architectural) roofing?
• What issue can arise from the presence of moisture within the roofing layers?
• Why is a layer of ice and water shield recommended under the flashing in open valleys?
• Is it necessary to note previous shingle repairs made by a professional?
• Which flashing type is primarily used where a roof meets a wall?
• Which roofing material is heavier, clay tiles or asphalt shingles?
• What components are required for head flashings on chimneys less than 30 inches wide?
• The lowest face of a chimney should have a(n) _________ flashing.
• What term is used for roofing materials that are hand- or machine-split and less uniform?
• Which roofing material has the longest expected lifespan?
• Which type of flashings are typically found between a traditional shingle roof and a vertical surface?
• What can cause premature wear of asphalt shingles?
• What is the minimum pitch where a roof is considered too steep to walk on?
• What can ridge flashings on asphalt shingle roofs be made from?
• What type of roofs commonly use closed and closed-cut valleys?
• What type of flashing should be installed where a roof-wall flashing exists and the roof terminates on the wall?
• Which of the following materials is NOT normally used for flashings?
• What material is recommended for slate nails to prevent rusting?
• What do water stains on a flat roof indicate?
• Metal valley flashing should be a minimum of _____ inches wide.
• What is the name of the flashing around a plumbing vent pipe?
• What is the maximum number of roofing layers allowed in most jurisdictions?
• What are the two types of asphalt impregnated mats used in asphalt shingles?
• What is one key characteristic of architectural shingles?
• What is the most common problem with slate roofs?
• Which roofing material typically lasts 30 years?
• True or False: Alligatoring of a roof covering is only a cosmetic issue.
• Which type of roofing material is least likely to require additional maintenance?
• True or False: The lifespan of roll roofing increases with the number of plys.
• What is the minimum width of metal flashing recommended for open valleys?
• What is the main function of the drip edge?
• What is the required pitch for wood shakes and shingles?
• Solid tile roofs should be installed over solid sheathing.
• What is one characteristic feature of the granulated topcoat on roll roofing?
• What is the main reason that asphalt shingles are popular for roofing?
• How are open soffits characterized?
• True or False: Asbestos-fiber cement tiles were commonly used in roofing from the 1930s to the early 1960s.
• A secondary flashing that prevents water from entering a base flashing is called a ________ flashing.
• What aspect of lead makes it a common choice for flashings against masonry?
• Which of the following materials is NOT typically used for guttering?
• The bottom of a roof should have a ________ flashing where it meets a wall.
• Which of the following is a common material used for valley flashing?
• How many main types of flashing are commonly identified?
• What might a gap between the wall and the soffit indicate?
• Which condition could lead to structural issues in the roof?
• What are the two types of flashings that should protect roof-wall interfaces?
• What type of material is recommended for fasteners used in tile roofs?
• Which is not a typical material for valley flashing?
• Concrete and clay tile roofs with a pitch of less than 4:12 require how many layers of underlayment?
• Which of the following is NOT a problem associated with asphalt shingles?
• What is the recommended slope for guttering?
• What is the slope percentage indicating a low sloped roof?
• What is the primary purpose of kickout flashing?
• How should gutters be installed to ensure proper support?
• What term is used for asphalt shingles that are made up of several layers?
• What is a key characteristic of a shake compared to a shingle?
• The enclosure at the eaves' edge of a traditional barrel-style roof is called what?
• Which type of flashing is typically used in conjunction with a chimney?
• How should roof sheathing be installed in relation to the rafters?
• Which of the following objective does flashing primarily serve in roofing?
• Most concrete and clay tiles are installed the same.
• What is the effect of too many layers of roof coverings?
• The quality of asphalt shingles is primarily determined by their ___________.
• What commonly causes small dimples or circular depressions on asphalt shingles?
• What should be reported when inspecting ply roofing?
• What causes blisters in built-up roofing?
• How are closed valleys defined in roofing?
• Standard roll roofing is how many inches wide?
• What term is used for shingles that are machine-cut on both faces and sides?
• True or False: Rusting steel gutters are merely a cosmetic issue and don't need to be reported.
• What does the saddle or swayback condition indicate?
• Which materials are commonly used for siding?
• True or False: A closed-cut valley involves one roof plane covering going over the adjacent plane and cut back 2 inches from the centerline.
• What is referred to as the area underneath the eaves or rafter tails?
• How are sheet copper roofs typically joined?
• What is the standard width of all roll roofing?
• Which type of roofing is appropriate for very low-pitched or flat roofs?
• Which types of buildings have historically had slate roofing?
• What is a potential hazard to asphalt shingles when debris accumulates on the roof?
• Most jurisdictions allow how many layers of shingles to be applied to a roof?
• What type of force are roof ridges and rafters typically under?
• Which type of roofing is characterized by layers of felt and asphalt?
• What is one of the main characteristics of slate?
• Heavier shingles tend to last ___________ compared to lighter shingles.
• When should a cricket or saddle be installed?
• Which of the following is NOT a common material used in tile roofs?
• Which of the following is NOT a benefit of using gravel ballast on a roof?
• What is the purpose of counter flashing?
• What is the minimum roof pitch required for slate roof installation?
• True or False: Many roll roofs have insufficient pitch to properly shed water.
• When reporting on an asbestos cement tile roof, the inspector should do what?
• What is the primary function of crushed stone or gravel ballast on a built-up roof?
• What type of wood is commonly used to make shakes and shingles?
• What is another term for edge flashings commonly used on roofs?
• What pitch can asphalt shingles be installed on with proper precautions?
• What is the main benefit of using copper for fasteners in tile roofing?
• What is the advantage of using architectural asphalt shingles?
• Asbestos cement roof shingles were commonly installed between which decades?
• What additional feature does roll roofing have to protect against ultraviolet radiation?
• A soffit attached directly to the underside of the rafter tails is known as which type of soffit?
• What is the purpose of the fascia board?
• Is an underlayment required under all asphalt shingles?
• True or False: The main issue with asbestos tiles is their brittleness over time.
• True or False: All clay tiles are made from terracotta.
• Which type of flashing is designed to direct water flow around a chimney?
• What term describes the small cracks or fissures that appear in the surface of roll roofing over time?
• Roll roofing is commonly used on which type of roofs?
• What type of flashing would you use to redirect water away from a wall junction?
• Slate is primarily classified as what type of rock?
• What are rake or barge boards?
• What is the purpose of counter flashing?
• What is a characteristic of the lowest quality of slate tile?
• What is the appropriate distance to separate the siding from the roof's surface?
• Which guttering installation method is considered improper?
• What is a decorative molding applied to the fascia called?
• What is the base material used for roll roofing?
• What is the most common roof covering an inspector will encounter?
• What can cause structural integrity issues in the roofing system?
• Which flashing is critical for the absorption of rainwater at roof and wall intersections?
• True or False: Concrete and clay tile roofs are installed in the same way.
• What are the clips required between many sheathing panels called?
• What type of material is preferred for regular asphalt shingles?
• What roofing problem is expressed through the term "alligatoring"?
• What is the lifespan range of asphalt shingles under normal conditions?
• Which component is generally used in forming open valleys with two layers of roll roofing?
• What type of flashing must be installed for most tile roofs against a wall?
• What is characterized as a full pitched roof?
• A wood shingle is _____-cut, whereas a shake is split by _____.
• What is the main purpose of base flashing?
• Why is a steel roof considered a bad match with an aluminum vent?
• Flashings on roofs should ideally be made from which type of material?
• Which of the following is considered a ventilation problem for asphalt shingles?
• What roofing material is commonly installed in overlapping sections to ensure water tightness?
• Where is the drip edge fitted between?