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Comparative characteristics of roofing materials

  Clay tile Polymer-sand tile Cement-sand tile Metal tile Bituminous (soft) tile Corrugated sheet (Ondulyn type)
Roof material type Burnt clay+ dye 70% glass sand + 30% binding polymer up to 3% of dye all along mass of material Glass sand + bonding cement + dye Metal 0.05mm thick + protective covering several tens micron thick Glassy canvas, bitumen soaked Paperboard, bitumen soaked
Mass 1 m2 40 kg 21 kg 40 kg 4-6 kg 4-6 kg 3-4 kg
Heat conductivity Low heat conductivity, ing material properties and thickness (about 1 mm). Good temperature regulator. Minimum condensate formation. Use of thermal insulation is not obligatory. Not recommended in the presence of attic. Low heat conductivity, ing material properties and thickness (about 1 mm). Good temperature regulator. Minimum condensate formation. Use of thermal insulation is not obligatory. Not recommended in the presence of attic. Low heat conductivity.Good temperature regulator. Minimum condensate formation. Use of thermal insulation is not obligatory. Is not recommended in the presence of attic. High heat conductivity. Ample condensate formation. Needs to be extra heat-insulated. High demands to quality of underroofing sheets Low heat conductivity, as bituminous tile is fixed on complete wood flooring (OSB slab). Average heat conductivity( at about 5 mm thick)
Sound proofing Perfect sound proofing due to properties and massiveness of material.
Recommended in the presence of attic.
Perfect sound proofing due to material properties and massiveness.
Recommended in the presence of attic.
Perfect sound proofing due to material properties and massiveness.
Recommended in the presence of attic.
The worst sound proofing. Rattles rain and hail claps, which is inadmissible in attic-floor rooms. Needs to be extra heat-insulated. Good sound proofing due to material softness and in combination with wood structure peculiarity of roofing. Average sound proofing. Material softness muffles rain or hail noise.
Water absorption To 6% (glazed about 1 %) 0.06% 3-6% 0% More than 10% Up to 8%
Resistance to frost 100 cycles No less than 200 cycles 50 cycles No less than 200 cycles 50 cycles 25 cycles
Aggressive environment resistance Resistant to aggressive environment. Maximum resistant to aggressive environment, as crystallized sand, which contains 70% of material, is absolutely chemically inert. Average resistant to aggressive environment due to chemical activity of cement-sand solution both in acid and alkaline environment. Non-resistant to aggressive environment.
In places of protective cover damage process of  oxidation and metal failure occurs.
Poor resistant to aggressive environment. Poor resistant to aggressive environment
Corrosion proofness Corrosion proof. Corrosion proof. Corrosion proof. Non-resistant. In places of protective cover damage chemical and electrochemical corrosion process occurs. Corrosion proof. Corrosion proof.
Discoloration proofness Discoloration proof. Discoloration proof, as quartz sand, which contains 70% of material, does not skip ultraviolet. Besides,ultraviolet-stabilizer is part of material. Average discoloration proof. Average discoloration proof(depends on tile quality). Average discoloration proof. Average discoloration proof.
Bloom proofness Bloom proof provided high quality of feedstock or glazed surface. Absolutely bloom proof due to porosity absence and extremely low water absorption. Average bloom proof due to small metal  porosity. Bloom proof. Average bloom proof. Shaggy surface delays dirt, needles, moisture. Average bloom proof.
Ultraviolet tolerance Ultraviolet resistant. Ultraviolet resistant, as quartz sand, which contains 70% of material, does not skip ultraviolet. Besides, ultraviolet-stabilizer is part of material. Ultraviolet resistant. Ultraviolet resistant. Ultraviolet non-resistant. Ultraviolet influence bitumen, an organic part of material. Ultraviolet non-resistant. Ultraviolet influence bitumen, an organic part of material.
Electroconductivity Do not collect electrostatic charge. Do not collect electrostatic charge. Do not collect electrostatic charge. Collect electrostatic charge. Lightning discharger device is required. Do not collect electrostatic charge. Do not collect electrostatic charge.
Windage Low windage due to small size and big mass. Low windage due to small size and big mass Low windage due to small size and big mass. High windage, as metal tile is produced in form of large-sized sheets. Windage absence, as soft tile forms compact "carpet”. High windage, as metal tile is produced in the form of large-sized sheets.
Shock resistance Shock non-resistant, fragile. Shock resistant, unbreakable. Shock non-resistant. Shock non-resistant. Becomes deformed, covering is damaged due to fall or careless use. Shock resistant. Shock resistant.
Loading resistance High. Carries point loading 250kg. A person can move along tiling roofing. High. Carries point loading 360kg. A person can move along tiling roofing. High. Carries point loading 300kg. A person can move along tiling roofing. Low. Easily deformed under the influence of little loading, and as a result protective covering of metal can be damaged. High. Carries load due to design factors of load-carrying structure(solid waterproof veneer). Average
Thermal resistance +500 ℃
Non-flammable, do not spread flame, flame-proof.
+300 ℃
Difficult inflammable, do not spread flame, weakly combustible.
+500 ℃
Non-flammable, do not spread flame, flame-proof.
+100 ℃
Non-flammable, do not spread flame, flame-proof(do not concerns a covering).
+100 ℃
Highly inflammable, spread flame, highly-combustible.
+100 ℃
Highly inflammable, spread flame, highly-combustible.
Ease of mounting and handling Need to be carefully handled while mounting. Truss construction are to be reinforced. Use of cutoff circles while handling.  Easily mounted. Easily processed material. Do not need reinforcement of  truss construction. Simple mounting of dormer-windows, through-pass elements , etc. Need to be carefully handled while mounting. Truss construction are to be reinforced. Use of cutoff circles while handling.  Need to be carefully handled while mounting due to risk of protective covering damage. Big amount of waste while use on complex shape roof. Need to be carefully handled while mounting. Easily processed. Need to be carefully handled while mounting. Easily processed.
Ease of operation Easily operated and handled, replacement ability of separate elements. Moving along roofing do not damage roof  and without use of special instruments. Easily operated and handled, replacement ability of separate elements. Moving along roofing do not damage roof  and without use of special instruments. Easily operated and handled, replacement ability of separate elements. Moving along roofing do not damage roof  and without use of special instruments. Unhandy in operation. Damaged parts of covering are to be protected. Is not allowed to move along the roof without special boots and ladder. Unhandy in operation. Moving along the roof(especially in hot weather) can cause roof displacement and rupture. Easily operated. Careful moving along the roof.
Service life and guarantee Life time-more than 100 years.
Guarantee-30 years.
Life time-more than 50 years.
Guarantee-15 years
Life time-about 50 years.
Guarantee-30 years
Life time-about 10 years.
Guarantee-5 years
Life time-about 30 years.
Guarantee-10 years
Life time-about 20 years.
Guarantee-10 years
Design Good Good (do not differ ceramic roof) Good Average Average Bad
Price 1 m2 12 USD 9 USD 9 USD 7 USD 14 USD (including cost of necessary waterproof  slab) 4 USD
Advantages 1. Excellent service life (concerning high-quality product).
2. Noble design.
3. Safety of all qualities and characteristics during long period of time.
4. Excellent thermal and sound protection.
5. Resistant to extreme temperature fluctuations.
6. Resistant to aggressive environment.
7. Exploitation possibility and easy roof maintenance.
8. Ecological compatibility.
9. Fire safety
1. High life time.
2. Presentable design (do not differ natural tile).
3. Safety of all qualities and characteristics during long period of time(tested in sharply continental climate of Russia and Kazakhstan)
4. Excellent thermal and sound protection.
5. Resistant to extreme temperature fluctuations and fungi appearance(bloom) due to porosity absence.
6. Resistant to aggressive environment.
7. Unique material strength(do not damaged while fall a height).
8. Easily processed material(cut by hack-saw without use of special cut-off circles).
9. Do not require reinforcement of  truss construction.
10. Exploitation possibility and easy roof maintenance.
11. Ecological compatibility.
12. Low price.
1. High life time(concerning high-quality product).
2. Attractive design.
3. Safety of all qualities and characteristics during operation period .
4. Excellent thermal and sound protection.
5. Exploitation possibility and easy roof maintenance.
6. Ecological compatibility
7. Fire safety.
8. Low price.
1. Small weight. Do not require reinforcement of truss construction
2. Resistant to extreme temperature fluctuations and blooming due to porosity absence.
3. Easily processed material.
4. Easily mounted.
5. Ecological compatibility.
6. Fire safety.
1. Small weight. Do not require reinforcement of truss construction.
2. Good thermal and sound protection.
3. Easily processed material.
4. Cover possibility of complex curvilinear types of roof.
1. Small weight. Do not require reinforcement of truss construction
2. Easily processed material.
3. Roof exploitation possibility.
4. Low price.
Disadvantages 1. Big weight requires reinforcement of load-carrying structure.
2. Material fragility.
3. Labor-consuming and expensive mounting.
4. Relatively high price(price of high-quality tile starts 15 USD).
1. Availability of low-quality hand-made product on roof market.
2. Poor publicity of product as a type of roof material.
1. Big weight requires reinforcement of load-carrying structure.
2. Shock non-resistant.
3. Small porosity cause low frost resistance and possible roof blooming.
4. Labor-consuming and expensive mounting.
1. Short life.
2. High heat conductivity which involved high thermal protection demands and high quality of underroofing sheets.
3. Low sound protection qualities(sound protection is required in the presence of attic).
4. Corrosion non-resistant, especially in humid climate.
5. Lightning discharger device is required.
6. High windage and possible resonance oscillations of sheets.
7. Need to be carefully handled while mounting due to risk of protective covering damage.
8. Big amount of waste(especially at complex shape roof).
9. Unhandy in operation.
1. Need of waterproof wooden slab use, which increase price of cover twice.
2. Low resistance to temperature fluctuations and mechanic loads, which cause cracks, deformation and fractions.
3. Unhandy in operation.
4. Non-resistant to aggressive environment, ultraviolet, bloom.
5. Ecological compatibility absence.
6. Fire risk.
7. High price.
1. Short-lived.
2. Unattractive design.
3. Non-resistant to aggressive environment, ultraviolet, bloom.
4. Discoloration possibility.
5. Big amount of waste(especially on complex shape roof).
6. High windage.
7. Ecological compatibility absence.
8. Fire risk.

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