skytech technical guideline
TRANSCRIPT
7/23/2019 SKYTECH Technical Guideline
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Heat transfers principles……..………………………………………… What is a roof underlayment ? ……………………………..………… SKYTECH system ……………………………………….……………… Other advantages ……………………………………………………… Product composition and technical sheet …………………….……………… SKYTECH ……………………………………………………………….
Advises……. …………………………………………………………….. Ventilation ……………………………………………………………………. Basic principles …………………………………………………………. Roof applications ………………………………………………………………… Wall applications ……………………………………………………………….. Floor applications ……………………………………………………….Commercial applications.....................................................................
Comparative thermal testings ……………………………………..………….. Fire resistance …………………………………………………………..……… Waterproofness and permeability to vapor ………………………….………... Tear strength…………………………………………………..………… Acoustic Tests……………………………………………………………. Building references ………………….………………………………… Winco and the environment……………………………………………………
APPLICATIONS2
CERTIFICATIONS3
p. 5p. 6p. 7 and 8p. 9p. 10p. 11
p. 13 to 14p. 15p. 16p. 17 to 25p. 26 to 27p. 28 to 30p. 31
p. 33p. 34 to 36p. 37 to 40p. 41p. 42p. 43 to 44
p. 45
SKYTECH1
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WINCO Technologies
WINCO Technologies products aremanufactured under the ISO 9001 and ISO14001 standards. These standards makes itpossible to guarantee a constant manufacturequality with high-quality raw materials as wellas a traceability without fault combined with astrong determination to control theenvironmental impact.
WINCO Technologies products are
manufactured under the ISO 9001 and ISO14001 standards. These standards makes itpossible to guarantee a constant manufacturequality with high-quality raw materials as wellas a traceability without fault combined with astrong determination to control the
environmental impact.
Our last Random type production lines areamong the most powerful on the world plan.This associated with a strong logistics makesit possible to satisfy important orders withinshort deadlines. Because building and houseinsulation is a paramount source of energysaving, WINCO Technologies. proposes acomplete range of thermal insulation productsrespectful of the environment, adapted to theconstruction markets.
WINCO Technologies is above all men andwomen always ready to share with you andyour customers their expertise and theirpassion.
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SKYTECH Summary
- Heat transfers principles ………………………………….……
- What is a roof underlayment ? ………………………..………
- SKYTECH ® system ………………………………………………
- Other advantages …………………… ……………………………….
- Product composition and technical sheet ……………………………....
- SKYTECH…………………………………………………………..
p. 5
p. 6
p. 7 et 8
p. 9
p. 10
p. 11
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Heat transfersprinciples
Conclusion
As thermal radiance is the most important source of heat transfer, reflectiveinsulation is the most efficient way to reduce heat transfer to obtain a higher level ofcomfort by reflecting the heat.
COMPARISON BETWEEN DIFFERENT WAYS OF HEAT TRANSFERS
HEAT TRANSFERS IN THREE DIFFERENT WAYS
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Convection Conduction Thermal
radiation
Movement of a fluid due toa difference oftemperature and density.The hot air goes up andheat is dissipated. With aventilated roof, the heatlocated in the air gapbetween the hedging andSkytech goes up then isevacuated on the level ofthe ventilation holes andthe ridge.
Transmission of heat of abody to another bycontact. The moreinsulating the material is,the less there isconduction. The λcharacteristic measuresthe conduction in a
specific material
Transmission of heat of abody to another bycontact. The moreinsulating the material is,the less there isconduction. The λcharacteristic measuresthe conduction in aspecific material
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Applications Tight lay Directly on On sheathing On closedenvelopeType of
underlayment
With ventilation of
under facing
Existing
insulation
With ventilation of
outside facingNon Breathablemembranes - - -
HPV membranesSKYTECH
What is a roofunderlayment ?
Protect from water, snow, dust and sootinfiltration
Re conduct the infiltrated water due tocondensation or infiltration to gutter
Protects the roof structure until the roof coveris definitely installed.
Prevent the upheaval of the roofs elements
under the wind effect by counterbalancingpressures.
Assure air tightness of the roof in order toprevent cold air infiltration and keep warm airinside.
A roof underlayment has the following functions :
Two different kinds of roof underlayment : Breathable and non breathable :
6
HVP = High Vapor Permeability
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SKYTECH system
An Insulating, Breathable, waterproofand airproof barrier.
Because Skytech is highly breathable, it canbe use to seal completely your attic without
condensation risk.
Your house can be completely sealed forexcellent thermal performances.
As it is breathable SKYTECH® will notpromote condensation which leads to theapparition of moisture and seriouslydecrease your roof structure life.
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Reflective Insulation and low emissivity
Insulation by waterproofness and airthightness (RoofUnderlayment)
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1st FUNCTION:
2nd FUNCTION :
In summer: reflect solar radiation backoutside to prevent overheating of atticrooms. Reduce air conditioningconsumption.
In winter : because of its very low
emissivity and high reflectivity, SKYTECH® stops the outside cold and reflect the heat ofrooms back inside: Reduce your energyconsumption.
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Other advantages
EASY TO INSTALL
Installation time is divided by 2.Instead of installing two products: reflectiveinsulation + roof underlayment, you only
install 1: SKYTECH.
GAIN IN ROOM SURFACE
Average gain of 5% in walls Average gain of 15% in attic roomsSKYTECH makes it possible to leave theframing (beams, rafters) apparent..
LONG LASTING INSULATION
SKYTECH® is composed of continuous Eglass filaments (already used in high
temperatures industry). These filaments arevery resistant; they have an expected life ofmore than 50 years.SKYTECH also avoids nesting of rodents.
Euro classes – Test SBI - LNE
HEALTHY COMPONENTS
SKYTECH® is guarantee free of asbestos andchemical binders.Skytech is non toxic and non irritant (Group 3of IARC)No specific equipment is required to installSkytech except sunglasses because of itsvery important reflection power.SKYTECH® is 100% recyclable andcomposed with a broad proportion of recycledmaterials (more than 90 %).
FIRE RESISTANCE
SKYTECH® has obtained an Europeancertification of non combustibility (Euroclass A2-s1,d0). Because Skytech is noncombustible, it will protect your roof structurefrom wild fires and can be installed directly toyour chimney flue.
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Breathable membrane reinforced by a micro perforatedaluminised fabric.
Blanket made of Continuous E glass filaments. (Classifyas not carcinogenic to human by the IARC).
Inside breathable micro perforated pure aluminium foil.
Technical sheet andcomposition
Composition
The product
Composition
- Membrane reinforced by a microperforated aluminised fabric.- Continuous glass filaments.
- Inside breathable micro perforatedaluminium foil.
Thickness 10 mm / 0.39 inches
Surface per roll 18 m² / 193.75 sq.ft
Roll dimensions 1m x 18 ml / 3,28 ft x 59,06 ft
Weight 1200 g/m² or 3.8 oz/sq.ft
Diameter of a roll 420 mm / 16.54 inches
Physical properties
Emissivity / Reflectivity 0.05 / 95 %
Thermal conductivity 0.033 W/m°K
Mechanical properties
Fire rating Euroclass A2-s1,d0 (non combustible)
Water vapor transmission 3.93.10-9
kg/m2
.s.Pa (about 68 perms) / SdValue = 0.05 m (HVP)
Resistance to water Waterproof under 8 inches of water
Breaking strength Over 50 lbs
Accessories
Adhesive aluminium tape REFLEXBOND 4 inches
Non combustible glue THERMAFIX
SKYTECH® brand and patent are worldwide protected.
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The highest level
of erformance
Energy saving in winter and summer ……………………..….... (High reflectivity / low emissivity on 2 facings)
High Vapor Permeability ………………….…………………..... (Breathable : avoid condensation, can be applied on continuoussurface such as sheathing, existing insulation)
No leakage under 20 cm / 8 inches of water …….. ..………….
Very high breaking strength ………………………………….…. (Over 50 lbs)
Fire protection Euroclass A2-s1,d0 …………....……………….
HVP*
WATERPROOF
TEARPROOF
NONCOMBUSTIBLE
REFLECTIVEINSULATION(Lambda : 0.033 W/m°K)
* High Vapor Permeability
SKYTECH…
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SummaryAPPLICATIONS
- Advises… …………………………………………………..…………….
- Ventilation ……………………………………………………….……….…
- Basic principles ………………………………………………….……..
- Roof applications………………………………………………………….
- Wall applications………………………………………………..………
- Floor applications……………………………………………………….
- Commercial applications……………………………………………….
p. 13 and 14
p. 15
p. 16
p. 17 to 25
p. 26 to 27
p. 28 to 30
p. 31
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Advises
PROTECT YOUR EYES!
SKYTECH® is highly reflective. Wheninstalling it outside, you should wearsunglasses to protect your eyes.
INSTALLATION
SKYTECH® can be use with any type of roofcover (metal, tiles, slates…) for new andrefurbishment projects. Because of its fireproperties, SKYTECH® can also be use toupgrade fire performance of roofs in fireexposed areas.
SKYTECH® can be use with any type ofbuilding in any climate.
SKYTECH® must be laid tightly on the roofelements without ventilation of the insidefacing of the underlayment.
Installation direction The SKYTECH face with the black line (tissueface aspect) should be oriented towards theexterior.
Adhesive aluminium tapeREFLEXBOND. The fire rating Euroclass A2-s1, d0 can onlybe guaranteed with the use of REFLEXBONDaluminium tape.
The REFLEXBOND tape must be applied ondry and clean surface (without dust, oil,grease...) . It is very important to apply asufficient pressure on the tape and to applyREFLEXBOND under temperatures superiorto 5°C.
Temporary water protection The composition and technical characteristicsof SKYTECH® in addition with the use ofREFLEXBOND® can contribute to atemporary water protection in normal weather
conditions during 8 days.
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Slates
Metal
roof
tiles
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Distance between rafters The high breaking strength of SKYTECH® allowed using it with a
maximum distance between rafters of 90 cm / 35 inches.
FixationsInstallation should be done the same way as the one used to fixroofing materials (battens and counter battens).However, when temporarily install, SKYTECH® should be fixusing staples or screws.
Oxidation In order to prevent oxidation, do not install Skytech in directcontact with copper, brass or lead.
Overlap of panelsThe minimum overlapping of panels considering the slope of theroof can be found in the following board.
Roofslope
Low slope Steep slope
Overlap 8 inches 4 inches
Aplication in mountain climate
See page 25.
Solar panel
Solar panel should be considered as a roof cover element andtherefore should be applied following main installation process.
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Air gap on outside facing of SKYTECH ®
Because SKYTECH® is highly reflective; theair gap between the roof cover and the roofunderlayment should be at least:
1.5 inches for roof fields shorter or equal to
26 foot.
2.3 inches for roof fields exceeding 26 footin length.
Air gap on inside facing of SKYTECH ®
The air gap located under SKYTECH® (insidefacing) should not be ventilated.
It should be at least 0.8 inches betweenexisting insulation and SKYTECH®. It allowsSKYTECH® to be more efficient in a thermalway.
The high permeability to vapor of SKYTECH® allows installation directly on existinginsulation or on sheathing (continuoussupport.
For better thermal performances, we stronglyadvise to keep this non ventilated air gap.
Ventilation
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Basic principles
Ridge finishing
Junction of panels
Overlap of panels
Read this before installingSkytech
For every application, it isimportant to follow theinstructions of this page:weaved facing (with the blackoverlapping lines) must facethe sky.
* 20 cm (8 inches) on mountain climate (over 900 m / 3000 feet altitude) 16
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ROOF APPLICATIONS
Unroll SKYTECH® vertically(downward direction) or horizontaly(upwards direction).
Staple the SKYTECH
Proceed to an overlapping of 10 cm /4 inches (overlapping black lines onthe weaved face of SKYTECH)
Cover the junction using aluminiumadhésive REFLEXBOND® 100 mmtape
Fix counter batten, batten and theroof cover in the end.
ON RAFTERS
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ROOF APPLICATIONS
ON RAFTERSunder metal covers
ZINC
cover
Steeldeck
Unroll SKYTECH® vertically(downward direction) or horizontaly(upwards direction).
Staple the SKYTECH
Proceed to an overlapping of 10 cm /4 inches (overlapping black lines onthe weaved face of SKYTECH)
Cover the junction using aluminium
adhésive REFLEXBOND® 100 mmtape
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ROOF APPLICATIONS
ON RAFTERSWith existing insulation
Unroll SKYTECH® vertically(downward direction) or horizontaly(upwards direction).
Staple the SKYTECH
Proceed to an overlapping of 10 cm /4 inches (overlapping black lines on
the weaved face of SKYTECH)
Cover the junction using aluminiumadhésive REFLEXBOND® 100 mmtape
Fix counter batten, batten and theroof cover in the end.
Only breathable products HVPcan be use directly overexisting insulation such asmineral wool.
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ROOF APPLICATIONS
ON SHEATHING
Unroll SKYTECH® vertically(downward direction) or horizontaly(upwards direction).
Staple the SKYTECH
Proceed to an overlapping of 10 cm /4 inches (overlapping black lines onthe weaved face of SKYTECH)
Cover the junction using aluminiumadhésive REFLEXBOND® 100 mmtape
Fix counter batten, batten and theroof cover in the end.
With its breathable (HVP)characteristic, SKYTECH® canbe directly applied on
sheathing or continuoussurface
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ROOF APPLICATIONS
UNDER RAFTERS
With hiddenpurlins
With visible
purlins
Unroll SKYTECH® vertically
(downward direction) or horizontaly(upwards direction).
Staple the SKYTECH.
Proceed to an overlapping of 10 cm /4 inches (overlapping black lines onthe weaved face of SKYTECH).
Cover the junction using aluminiumadhésive REFLEXBOND® 100 mmtape.
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ROOF APPLICATIONS
Under Light frame
Stapple SKYTECH® directly on thelight frame while letting an exceed
of 5 cm against the wall.
Proceed to an overlapping of 10 cm/ 4 inches (overlapping black lineson the weaved face of SKYTECH).
Cover the junction using aluminiumadhésive REFLEXBOND® 100 mmtape.
Fix the wood bracket through theSKYTECH or using metallic framesupport depending on the finishing
Plaster board
finishing
Paneling
finishing
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ROOF APPLICATIONS
CHIMNEY SURROUNDING
Only Euroclass A1 or A2-s1,d0, insulation can bemounted around Chimney.
Therefore SKYTECH® can beapplied on direct contact withchimney. Non incombustibleproducts will require to beinstalled with a gap of 200mm to the chimney
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ROOF APPLICATIONS
SKYLIGHT
SURROUNDING
ROOF VENTSURROUNDING
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ROOF APPLICATIONS
SKYTECH® is adapted to particularcondition of mountain climate:
HVP (Breathable) Strong tear resistance
Overlapping of SKYTECH® panelswould be of de 200 mm minimumdepending on roof angle.
Cover the junction using aluminiumadhésive REFLEXBOND® 100 mmtape.
IN MOUNTAIN CLIMATE
> 900 m / 3000 feet altitude
To ensure waterproofness, a junctionwill have to be applied usingTHERMAFIX glue (incombustible).
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WALL APPLICATIONS
EXTERNAL WALL
Fix the wood length 40 by 40 mm onSKYTECH®
Unroll vertically and fix SKYTECH® onthe wall tentatively starting by thebottom.
Overlapping the panels with 10 cm
Cover the junction using aluminiumadhésive REFLEXBOND® 100 mmtape.
Fix the length of wood 18 x 40 mmverticaly (then horizontaly for slatecover)
Fix the slate cover on battens or woodfinishing.
Slate finishingWood finishing
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WALL APPLICATIONS
INTERNAL WALLPlaster brick and plaster board
Fix length of wood on the wallhorizontally to create an air gap
Unroll vertically and fix SKYTECH® onthe wood starting by the bottom.
Overlapping the panels with 5 to 10 cm
Cover the junction using aluminiumadhésive REFLEXBOND® 100 mmtape.
Air gap between the wall and theSKYTECH is not compulsory buthighly recommanded to maintaingood thermal performance.
Fix metalic furring on the wall and thenplaster board or plaster brick.
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FLOOR APPLICATIONS
Under wooden or concrete floor
Wooden floor
Concrete floor
Cover the junction using aluminiumadhésive REFLEXBOND
® 100 mm
tape.
Fix the metallic furring and plaster
board or wood length and panelingdepending on the finishing.
Create a corner of 5 cm on the walland maintain it using a woodlength.
Fix SKYTECH under the purlins by
stapling or screwing.
Cover the junction using aluminiumadhésive REFLEXBOND
® 100 mm
tape.
Fix the metallic furring and plasterboard or wood length and panelingdepending on the finishing.
Fix the wood length or metallicfurring under the concrete floor.
Create a corner of 5 cm on the walland maintain it using a woodlength.
Fix SKYTECH under the purlins bystapling or screwing.
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FLOOR APPLICATIONS
ON WOODEN OR CONCRETE FLOOR
Cover the junction using aluminiumadhésive REFLEXBOND® 100 mmtape.
Fix the wood length and the newfloating floor
Create a corner of 5 cm on the walland maintain it using a woodlength.
Fix SKYTECH on the wood floor orconcrete floor by stapling orscrewing.
Wooden floor
Concrete floor
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FLOOR APPLICATIONS
Under concrete screed
Cover the junction using aluminiumadhésive REFLEXBOND® 100 mm tape.
Cover the SKYTECH with a polyane layer.(2 layers for liquid and anhydrite screed.
Install the floor heating system.
Unroll a polyane layer directly on thescreed.
Unroll SKYTECH with a 10 cm corner onevery sides.
Do not Overlap the SKYTECH layers,simply install them side by side.
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COMMERCIAL BUILDINGS
Fix the metallic furring on the former roofon every steel purlin.
Place SKYTECH directly on metallicfurring
Overlapping the panels with 10 cm
Cover the junction using aluminium
adhésive REFLEXBOND® 100 mm tape.
Install the new roof cover on theSKYTECH.
Place SKYTECH directly on the metallicfurring.
Cover the junction using aluminiumadhésive REFLEXBOND® 100 mm tape.
Fix the metallic frame support undermetallic purlins using self-piercingscrews.
Apply double sided tape so as tomaintain SKYTECH before fixin it.
On metallic roofs
Under metallic roofs
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SummaryCERTIFICATIONS
- Comparative thermal tests ………………………………………
- Fire rating ……………………………………………………………..
- Watertightness and vapour transmission tests ………………..
- Nail tear resistance Tests ……………………………………….
- Acoustic…………………………………………..…………………
- Building references………………………………………………..
- Winco and the environment………………………………………..
p. 33
p. 34 to 36
p. 37 to 40
p. 41
p. 42
p. 43 to 44
p. 45
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Comparative testsSKYTECH®
ESSAIS SKYTECH / Laine de verre 260 mm
12,2
34,1
49,6
60
66,8
69,672,3
73,5 75,4 74,6
11,311,3 11,313,212,812,612,111,9
11,511,5
11,3 11,311,314,614,313,612,912,4
11,711,4
0
10
20
30
40
50
60
70
80
1 2 3 4 5 6 7 8 9 10
HEURES
T E M P E R A T U R E S - °
Source de chaleur
Laine de verre
SKYTECH
Hours
Temperature in °C
Heated cavity260 mm mineral
wool insulatedheated cavity
SKYTECHinsulated
heated cavity
Externaltemperature
8 H 12,2 11,3 11,3 12,2
9 H 34,1 11,3 11,3 12,3
10 H 49,6 11,3 11,3 12,6
11 H 60,0 11,5 11,4 13,3
12 H 66,8 11,5 11,7 13,4
13 H 69,6 11,9 12,4 13,6
14 H 72,3 12,1 12,9 13,3
15 H 73,5 12,6 13,6 13,3
16 H 75,4 12,8 14,3 13,5
17 H 74,6 13,2 14,6 13,5
Temperature decrease: 61,4 60,0
% decrease : 82,31 % 80,43 %
Contrary to the guarded hotbox, test of laboratory whichis used to define the Rcoefficient (R-value) of amaterial by taking accountonly conduction, the test ofthe heated cavity utilizesconduction, radiation,convection and the phase
shift.
The study of this comparativecurve makes it possible toshow that SKYTECH has athermal behaviour similar to aglass wool of approximately240 mm thickness. So anequivalence (Re) and (Ue) of :Re = 6 m² .K/Wor Ue = 0.16 W/m² .K
However, this tests arerealized under laboratoriesconditions that can differ fromreal conditions dipending onthe type and the quality of theinstallation. This is the samewhatever insulation product istested.
Heated cavity
260 mm
Mineral wool
Plaster board BA 13 Air gap
Summer confort
Winter confort
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FIRE tests
fire
EUROCLASSES and « M » ratings equivalence table
SKYTECH® obtained fire ratingEUROCLASS A2-s1,d0
Its very high resistance to hightemperatures (1000 °C underradiation and 850 °C towardsflame) is a major advantage for thefuture European norm (ENV 1187)with regards to roof cover
resistance to an external fire. Itprotects the structure and delaythe appearance of a « Flashover ».
SKYTECH® brings an additionalsafeguard to protect people andproperty.
SKYTECH® is INCOMBUSTIBLE
EUROCLASS A2-s1,d0
The technics used in themanufacturing of SKYTECH® is theone used in the insulation of thesteel industry ovens and inpetrochemical applications.
With its incombustiblecharacteristics, SKYTECH® canbe applied around Chimneypipes and halogen lamp
Européen f ir e Rating
EUROCLASSES UNDER EN NF 13 501-1 FIRE RATING M
A1 - - Incombustible
A2 s1 d0 M0 (incombustible)
s1 d1
A2 s2 d0 M1
s3 d1
s1 d0
B s2 d1 M1
s2
s1 d0
C s2 d1 M2
s3s1 d0 M3
D s2 d1 M4
s3 (no drops)
Any other ratings than E-d2 et F M4
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WINCO technologies can provide
you with the full report uponrequest
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Certificate of fire protection (Switzerland)
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Vapour transmissionAnd watertightness
SKYTECH
®
is waterproof and let the water vapourcomes out. It is a breathable rain shield.
Water
air
Déterm inatio n of watert ightness
SKYTECH is rated W1 : It is a waterproofproduct
Under standard NF EN 13859-1 et NF EN 1928.
Determination of water vapou r transm issionpropert ies
SKYTECH® has a value Sd = 0,054 m SKYTECH® is therefore HVP(High Vapor Permeability)
Permeance characteristic: The lower the Sdvalue is, the more water vapour will pass throughthe product (The more the construction structurewill breathe).
For roof underlayment : Sd ≤ 0,16 m For HVP rating : Sd ≤ 0,09 m SKYTECH ® : Sd = 0,05 m
SKYTECH ® :With its breathable (HVP) characteristic, SKYTECH® can be directly applied on sheathing orcontinuous surface such as existing insulation.
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Nail tear resist ance
SKYTECH® is rated R3
SKYTECH® is untearable. Its very high mecanicresistance gives it the best rating with regards to tearresistance : R3
SKYTECH®
Nail tear resistance : Traction : Longitudinal direction : 26,3 daN in average L direction : 100,4 daN/5 cmTransversal direction : 28,4 daN in average T direction : 85,7 daN/5 cm
Nail tear resistance of a roof underlayment characterise its « R » rating and set themaximum distance between rafters to use the product.
Nail tear resistance (daN) Standard« R »
Max distanceBetween rafters
Traction(daN/5 cm)
between 7,5 and 15 daN R1 45 cm 10
between 15 and 22,5 daN R2 60 cm 20
More than 22,5 daN R3 90 cm 30
1 daN = around 1 Kg
SKYTECH ® :
The high SKYTECH®
tear resistance allowsto use SKYTECH between two supports(rafters…) distanced by 90 cm maximum.
SKYTECH® has aa very high tear resistance and isconsidered untearable (under standard NF EN 13859-1).
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TEAR STRENGHTTests
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2
Acoustic Test
Acoustic attenuation
(company name)
(Manufacturing company)
(Insulation product name)
(Type of roof cover : Tiles)
(Type of finishing : BA 13 Plaster
board(Plenum height)
WINCO technologies can provideyou with the full report upon
request
(Date)
(Test chamber
volume)
Tested area)
Temperature)
Humidity)
(installation limits)
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