SystemAir DANVENT DV10

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8—1
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Annex8. Installationofsteelroofinthesizes10‐150
8.1Overview
 MountrailsA1,B2,C3,D4,E5ontheunitforsupportoftrapezoidalroofplates(mountalsorailsY
andZonunitsofthesize30andonunitsthatarelargerthansize30longitudinallyatthecentre‐
lineoftheunits).
 Placefoambands–
P–onthehorizontalrailsA1,B2,C3andD4forsupportofroofplates.
 Calculateoverhangoftheroofatbothendsoftheuni tandmountroofoverhangprofile–G1on
thefirsttrapezoidalroofplate–F1beforetheroofplateismounted.
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PlaceandmountroofplatesF1,F2,F3andsoon.
 Rememberfoambandsonthesidelapsbetweenroofplatestopreventrainwaterfrompassing
through.
 Placeroofoverhangprofile–G5attheotherendoftheunitbeforethelastroofplateismounted.
 Mount
sidesandcornersontheroof.
 Applysealingwhereplatesarejoinedtoensurewaterresistance‐eveninstormyweather.
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8.1.1Mountrails.Unitsofsize10,15,20,and25
SqueezesealantinsufficientquantitybetweentheundersideoftherailsA1,B2,C3,D4,E5and
the
horizontaltopsideoftheunitbeforetherailsaremounted.Thismeansthattherailsarestandingon